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  • Aerodynamics
  • Political Science
  • 2020-2024  (17)
  • 1950-1954  (21)
  • 1945-1949
  • 2024  (17)
  • 1953  (21)
  • 1
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    Macht:Denken (2024)
    transcript Verlag | transcript Verlag
    Details
    Publication Date: 2024-04-08
    Description: Das Verhältnis von klassischen und modernen Theorien der Macht wird gemeinhin kontradiktorisch gedacht: entweder aus dem Glauben, beide Theorien würden sich systematisch ausschließen, oder basierend auf der Annahme, die modernen Machttheorien à la Michel Foucault hätten die klassischen à la Thomas Hobbes abgelöst. Das Phänomen der Macht aus einem wechselseitigen Verhältnis beider Ansätze zueinander zu begreifen, ist bisher ein Desiderat in der Forschung. Der Band wirft einen neuen Blick auf die Macht, indem er Beiträge zur Vermittlung beider Ansätze versammelt. Nicht nur wissenschaftliche, sondern auch künstlerische Beiträge machen das Phänomen aus einer ganzheitlicheren Perspektive heraus zugänglich.
    Keywords: Macht ; Herrschaft ; Theorie ; Performative Philosophie ; Performance ; Politik ; Politische Philosophie ; Politische Theorie ; Politische Soziologie ; Politikwissenschaft ; Philosophie ; Power ; Power Relations ; Theory ; Performative Philosophy ; Politics ; Political Philosophy ; Political Theory ; Political Sociology ; Political Science ; Philosophy ; bic Book Industry Communication::H Humanities::HP Philosophy::HPS Social & political philosophy ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPA Political science & theory ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTS Social and political philosophy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology
    Language: German
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  • 2
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    Herausforderungen für die Politik und die Ethik (2024)
    transcript Verlag | transcript Verlag
    Details
    Publication Date: 2024-03-22
    Description: Politik soll ihre Entscheidungen nicht nur sachgerecht und gemäß den rechtlichen Rahmenbedingungen treffen, sondern ebenso den Ansprüchen der Moralität genügen. Anhand der vier Themen Moral, Terrorismus, Globalisierung und Demokratie zeigen renommierte Experten allgemeinverständlich auf, welche Herausforderungen damit für Politik und Ethik verbunden sind. Mit Beiträgen von Moritz Leuenberger, Herfried Münkler, Francis Cheneval und Julian Nida-Rümelin.
    Keywords: Ethik ; Politik ; Demokratie ; Sicherheit ; Globalisierung ; Politische Theorie ; Politische Philosophie ; Politikwissenschaft ; Philosophie ; Ethics ; Politics ; Democracy ; Globalization ; Political Theory ; Political Philosophy ; Political Science ; Philosophy ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPA Political science & theory ; bic Book Industry Communication::H Humanities::HP Philosophy::HPQ Ethics & moral philosophy ; bic Book Industry Communication::H Humanities::HP Philosophy::HPS Social & political philosophy
    Language: German
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  • 3
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    Transformationen des Politischen (2024)
    transcript Verlag
    Details
    Publication Date: 2024-03-29
    Description: Rechtspopulismus und Autoritarismus, Auseinandersetzungen um »Identitätspolitik«, die Digitalisierung der öffentlichen Debatte und die Macht von Verschwörungstheorien führen zu tiefgreifenden sozialen, kulturellen und politischen Transformationsprozessen. Für die Untersuchung dieser Transformationen sind die Theorien des Politischen und der radikalen Demokratie besonders geeignet, da sie die grundsätzliche Fragilität der liberalen Ordnung analysieren. Fraglich ist jedoch, ob die radikaldemokratische Forderung nach einer Disruption der liberalen Ordnung die richtige Antwort auf die beschriebenen Transformationen ist. Die Beiträge unternehmen eine kritische Revision der Theorien des Politischen und erschließen damit das gegenwartsanalytische Potential radikaldemokratischer Ansätze für die 2020er Jahre.
    Keywords: Demokratie ; Radikale Demokratie ; Populismus ; Kapitalismus ; Partizipation ; Liberalismus ; Digitalisierung ; Identitätspolitik ; Rechtspopulismus ; Autoritarismus ; Verschwörungstheorie ; Politik ; Politische Theorie ; Politische Philosophie ; Poststrukturalismus ; Politikwissenschaft ; Democracy ; Radical Democracy ; Populism ; Capitalism ; Participation ; Liberalism ; Digitalization ; Identity Politics ; Right-wing-populism ; Authoritarianism ; Conspiracy Theory ; Politics ; Political Theory ; Political Philosophy ; Post-structuralism ; Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTS Social and political philosophy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPH Political structure and processes::JPHV Political structures: democracy
    Language: German
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  • 4
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    Eskalation (2024)
    Hamburger Edition
    Details
    Publication Date: 2024-04-04
    Description: Der G20-Gipfel 2017 in Hamburg ist nicht wegen der vielfältigen Protestformen oder der dort verhandelten Themen in Erinnerung geblieben, sondern vor allem wegen der gewaltsamen Ausschreitungen und Konfrontationen mit der Polizei. Die Beiträge dieses Bandes analysieren die Dynamiken der damaligen Eskalation. Dabei rekonstruieren die Autor:innen Vorgeschichte und Verlauf der Gewalt und die Rolle der (sozialen) Medien, sie nehmen die politische sowie die rechtliche Aufarbeitung in den Blick und beleuchten den polizeilichen Umgang mit Protest. Die Ereignisse um den G20-Gipfel in Hamburg werden so zu einer analytischen Linse, um Eskalationsprozesse und das Verhältnis von Protest und Gewalt besser zu verstehen. Mit Beiträgen von u.a. aus dem Forschungsprojekt Mapping #NoG20 und von Rafael Behr, Priska Daphi, Donatella della Porta, Wilhelm Heitmeyer, Wolfgang Knöbl, Jan Philipp Reemtsma und Matthias Wahlström.
    Keywords: Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government
    Language: German
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  • 5
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    Gewaltbefragungen (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-03-22
    Description: Das ambivalente Verhältnis zwischen Politik und Gewalt - obwohl gegenwärtig von großer Brisanz - bleibt bislang in der Politischen Philosophie begrifflich und konzeptionell unscharf bestimmt. Dieses Buch knüpft an unterschiedliche disziplinäre und subdisziplinäre Perspektiven über die Politische Philosophie hinaus an - etwa an Überlegungen aus den Internationalen Beziehungen oder der Soziologie. So entsteht eine genauere und kritische Analyse zu einem Thema, das die Politik immer wieder herausfordert.
    Keywords: Politische Philosophie ; Politikwissenschaft ; Gewalt ; Internationale Beziehungen ; Politik ; Politische Theorie ; Konfliktforschung ; Philosophie ; Political Philosophy ; Political Science ; Violence ; Politics ; Political Theory ; Conflict Studies ; Philosophy ; bic Book Industry Communication::H Humanities::HP Philosophy::HPS Social & political philosophy ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPA Political science & theory ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes::JFFE Violence in society
    Language: German
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  • 6
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    Diskurs - radikale Demokratie - Hegemonie (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-04-08
    Description: Wenige politische Denker haben den internationalen politik- und sozialwissenschaftlichen Theoriediskurs der vergangenen Jahre so beeinflusst wie Chantal Mouffe und Ernesto Laclau - über Paradigmengrenzen hinweg. Beide verknüpfen neo-gramscianische, (post-)strukturalistische und psychoanalytische Theorieelemente und ermöglichen damit einerseits eine Erklärung von Ereignissen des politisch-diskursiven Geschehens, insbesondere der Ausbildung von Hegemonien, und andererseits eine normative Theorie der agonalen Demokratie. Die Beiträge dieses Bandes geben einen Überblick über wesentliche Denkfiguren von Laclau und Mouffe, setzen sich mit diesen kritisch auseinander und zeigen methodische und empirische Anschlussmöglichkeiten auf. Dieser Band enthält u.a. Originaltexte von Ernesto Laclau und Chantal Mouffe.
    Keywords: Ernesto Laclau ; Chantal Mouffe ; Demokratietheorie ; Hegemonie ; Politik ; Politische Philosophie ; Politische Theorie ; Poststrukturalismus ; Politikwissenschaft ; Philosophie ; Politics ; Political Philosophy ; Political Theory ; Post-structuralism ; Political Science ; Philosophy ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTS Social and political philosophy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTS Social and political philosophy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory
    Language: German
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  • 7
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    Digitalisierung von Gegenmacht (2024)
    transcript Verlag
    Details
    Publication Date: 2024-04-06
    Description: Die deutschen Gewerkschaften sind massiv von den Auswirkungen der Digitalisierung der Arbeitswelt betroffen. Ihre Organisations- und Durchsetzungsfähigkeit wird ebenso strapaziert wie ihr Anspruch auf eine möglichst umfassende Repräsentation der lohnabhängig Beschäftigten und Arbeitenden. Vor diesem Hintergrund diskutieren die Beiträger*innen die theoretischen Möglichkeiten und praktischen Erfahrungen mit der Digitalisierung von Gegenmacht aus gewerkschaftlicher und sozialwissenschaftlicher Perspektive. Dazu gehören u.a. Formen des Arbeitskampfes im digitalen Sektor und neue, widerständige Praktiken im Internet oder in der digitalen Infrastruktur von Unternehmen und Konzernen.
    Keywords: Gewerkschaft ; Digitalisierung ; Macht ; Gegenmacht ; Demokratie ; Solidarität ; Politischer Konflikt ; Aktivismus ; Theorie ; Arbeitskampf ; Betriebsrat ; Internet ; Infrastruktur ; Unternehmen ; Konzern ; Plattformkapitalismus ; Digitalökonomie ; Arbeit ; Politik ; Zivilgesellschaft ; Policy ; Arbeits- und Industriesoziologie ; Arbeitsökonomie ; Politikwissenschaft ; Labour Union ; Digitalization ; Power ; Democracy ; Solidarity ; Activism ; Theory ; Labour Struggle ; Works Council ; Infrastructure ; Work ; Politics ; Civil Society ; Sociology of Work and Industry ; Labour Economics ; Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPW Political activism / Political engagement ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPQ Central / national / federal government::JPQB Central / national / federal government policies ; thema EDItEUR::J Society and Social Sciences::JH Sociology and anthropology::JHB Sociology::JHBL Sociology: work and labour
    Language: German
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  • 8
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    Existenzieller Republikanismus (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-04-08
    Description: Wer ist der existenzielle Republikaner? Er ist ein exemplarisches Beispiel für jemanden, der das »Wagnis der Öffentlichkeit« (Karl Jaspers) eingeht - das beste Beispiel eines Citoyens. Getrieben von einer Liebe zur Welt, die er allerdings nur durch seine Freiheit und in seinem Handeln ausdrücken kann. Gerade diese liebende Handlung ist heute gefordert - egal ob auf Demonstrationen gegen Donald Trump oder für eine gerechtere Welt, egal ob durch Parteibeitritte oder dem Schreiben von Essays für Zeitungen. Es ist Zeit, sich für eine bessere Welt einzusetzen. Nils Heisterhagen muntert zur republikanischen Freiheit auf.
    Keywords: Republikanismus ; Liberalismus ; Liebe ; Freiheit ; Hannah Arendt ; Karl Jaspers ; Citoyen ; Demokratie ; Donald Trump ; Philosophie ; Politik ; Politische Philosophie ; Politische Theorie ; Politikwissenschaft ; Republicanism ; Liberalism ; Love ; Liberty ; Democracy ; Philosophy ; Politics ; Political Philosophy ; Political Theory ; Political Science ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTS Social and political philosophy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDT Topics in philosophy::QDTS Social and political philosophy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory
    Language: German
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  • 9
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    Gewerkschaften im Gedächtnis der Demokratie (2024)
    transcript Verlag | transcript Verlag
    Details
    Publication Date: 2024-04-04
    Description: Welchen Platz nehmen die Kämpfe von Gewerkschaften und anderen sozialen Bewegungen in der kollektiven Erinnerung ein? Wie ist es um deren Errungenschaften bestellt? Was stärkt die Werte sozialer Demokratie in der Erinnerungskultur? Die Beiträger*innen des Bandes bieten erstmals ausführliche Einblicke in die Erinnerungsgeschichte sozialer Kämpfe und Auseinandersetzungen um Gleichheit, Freiheit und Gerechtigkeit. An wen oder an was erinnert wurde, erweist sich dabei immer auch als Machtfrage, als Kampf um Inklusion und Exklusion. Dieser Band stellt somit nicht nur einen ersten Schritt auf dem Weg zu einer Erinnerungsgeschichte sozialer Demokratie dar, sondern leistet auch einen Beitrag zur politischen Debatte der Gegenwart.
    Keywords: Soziale Demokratie ; Arbeiter*innenbewegung ; Gewerkschaften ; Soziale Bewegungen ; Kollektive Erinnerung ; Erinnerungskulturen ; Deutschland ; 20. Jahrhundert ; 21. Jahrhundert ; Politik ; Erinnerungskultur ; Politische Parteien ; Politische Ideologien ; Sozialgeschichte ; Politikwissenschaft ; Social Democracy ; Trade Unions ; Social Movements ; Collective Memory ; Cultures of Remembrance ; Germany ; 20th Century ; 21st Century ; Politics ; Memory Culture ; Political Parties ; Political Ideologies ; Social History ; Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPL Political parties and party platforms ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCC Cultural studies ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPF Political ideologies and movements
    Language: German
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  • 10
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    Grüner Sozialismus? (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-03-15
    Description: Wie denken Beschäftigte, zum Beispiel in der Industrie, im Handel oder in Krankenhäusern, über Ungleichheit, Parteien oder die Klimakrise? Welche Politik wünschen sie sich und was stört sie? Thomas E. Goes widmet sich diesen Fragen empirisch, um die Erfolgschancen eines Grünen Sozialismus auszuloten. Im Zentrum steht dabei das vorherrschende Alltagsbewusstsein der Arbeiter*innen: Für eine breite Unterstützung muss die Forderung nach Gleichheit, mehr Demokratie und einem wirksamen Klimaschutz hier anknüpfen. Nur so bieten sich Möglichkeiten, eine sozial und ökologisch gerechte Politik nicht nur in der Theorie, sondern auch in der Praxis umzusetzen.
    Keywords: Grüner Sozialismus ; Arbeit ; Arbeiter ; Politik ; Klasse ; Klima ; Klimakrise ; Sozialismus ; Ökosozialismus ; Staat ; Wohlfahrtsstaat ; Demokratie ; Gleichheit ; Partei ; Natur ; Soziale Ungleichheit ; Politische Soziologie ; Umweltsoziologie ; Politikwissenschaft ; Soziologie ; Green Socialism ; Work ; Politics ; Class ; Climate ; Climate Crisis ; Socialism ; Eco-scialism ; State ; Welfare State ; Democracy ; Equality ; Party ; Nature ; Social Inequality ; Political Sociology ; Environmental Sociology ; Political Science ; Sociology ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNT Social impact of environmental issues ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes::JFFM Social mobility
    Language: German
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  • 11
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    Die Geschichte von der guten Stadt (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-03-22
    Description: Obschon Städte zurzeit vor allem durch ihre drastischen Probleme in unser Bewusstsein treten, ist es sinnvoll, auch nach der urbanen Wende an einer Vorstellung von der »guten Stadt« festzuhalten. Dieser Topos bildet eine Konstante der normativen Reflexion der menschlichen Lebensform, die dadurch, dass die Stadt das menschliche Habitat par excellence geworden ist, neue Bedeutung erlangt. Durch eine kritische Rekonstruktion der Geschichte von der »guten Stadt« anhand klassischer sowie zeitgenössischer Beiträge - von Platons Kallipolis bis zu von Borries' Klimakapseln - zeigt Mara-Daria Cojocaru, wie ein gewisser Rest-Utopismus das gesellschaftliche Handeln in den Städten begleiten kann. Sie zeigt: Nicht die gebaute Umwelt bringt bedeutsame Formen von Gesellschaft hervor - vielmehr verhält es sich umgekehrt.
    Keywords: Stadt ; Normativität ; Urbanität ; Utopie ; Politische Erzählungen ; Philosophische Anthropologie ; Narrativität ; Politik ; Politische Philosophie ; Sozialphilosophie ; Urban Studies ; Politikwissenschaft ; Philosophie ; Urbanity ; Philosophical Anthropology ; Politics ; Political Philosophy ; Social Philosophy ; Political Science ; Philosophy ; bic Book Industry Communication::H Humanities::HP Philosophy::HPS Social & political philosophy ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSG Urban communities
    Language: German
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  • 12
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    Climate Finance (2024)
    Agenda Publishing
    Details
    Publication Date: 2024-03-07
    Description: Climate change is increasingly contested on financial terms. Different actors are advancing competing climate visions and interests by adopting financial positions. International institutions urge action by identifying financing gaps needed to meet climate targets. The finance sector claims it holds the key to unlocking money needed for climate investment. Activists expose greenwashing while using financial tactics to undermine fossil fuels. Vulnerable countries demand wealthy governments repay historical climate debts.This book offers an accessible and critical guide to the political economy and economic geography of climate finance. It identifies six competing ""positions"" of climate finance to make sense of the array of financial instruments, institutions and ideas that are remaking the relationship between capitalism and climate change. Using a wide range of case studies, from green bonds, to divestment, carbon offsetting, climate tech, central banks, and international climate funds, the authors show how climate finance is shaping our collective climate futures.
    Keywords: Business & Economics ; Development ; Sustainable Development ; Political Science ; Public Policy ; Economic Policy ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCM Development economics & emerging economies ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government::JPQB Central government policies
    Language: English
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  • 13
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    Beziehungsgeschichten (2024)
    Hamburger Edition
    Details
    Publication Date: 2024-03-07
    Description: Der politischen Unabhängigkeit der Medien wird in heutigen Demokratien höchste Bedeutung zugemessen. Doch weder die Demokratie noch unabhängige Medien sind selbstverständlich – und sie waren es auch noch nie. An Beispielen aus Deutschland und Großbritannien beschreibt Ute Daniel, wie wechselhaft und unvorhersehbar die Beziehungen zwischen Politiker_innen und politischen Journalist_innen sind, wie kontextabhängig das Kräftespiel. Und sie zeigt, dass dessen vergangene Ausprägungen oft gar nichts an aktueller Relevanz eingebüßt haben. Auch heute beschäftigen sich demokratische Gesellschaften mit journalistischem Informantenschutz und der Bedeutung von Whistleblowern, mit dem Einfluss der Medienmogule auf die Politik und den gesetzlichen Rahmenbedingungen für elektronische Massenmedien.
    Keywords: Political Science ; bic Book Industry Communication::J Society & social sciences::JP Politics & government
    Language: German
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  • 14
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    Philosophie und die Potenziale der Gender Studies (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-03-22
    Description: Der Band möchte der Debatte um feministische Theorie neue Impulse geben, vor allem in der Philosophie. »Geschlecht« wird hier zwar ähnlich wie in den Naturwissenschaften noch immer weitgehend ausgeschlossen oder marginalisiert. Stellt man diesen Begriff aber ins Zentrum des Denkens, kann er neue Perspektiven auf grundlegende philosophische Probleme öffnen: auf Vernunft, Macht, Handeln, Gerechtigkeit, Demokratie. Die Texte zur politischen Theorie, Ethik, Anthropologie und Metaphilosophie, die der Band vereint, wollen in diesem Sinne das kritische Potenzial der Gender Studies für die Philosophie nutzen.
    Keywords: Gender ; Philosophie ; Queer ; Theorie ; Feminismus ; Intersektionalität ; Politikwissenschaft ; Anthropologie ; Kritische Theorie ; Diskursanalyse ; Sexuelle Differenz ; Diversity ; Geschlechterforschung ; Geschlecht ; Gender Studies ; Kulturwissenschaft ; Philosophy ; Political Science ; Critical Theory ; Cultural Studies ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSJ Gender studies, gender groups ; bic Book Industry Communication::H Humanities::HP Philosophy
    Language: German
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  • 15
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    Sozial-ökologische Krise und kollektives Landeigentum (2024)
    transcript Verlag | transcript Verlag
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    Publication Date: 2024-05-09
    Description: Gerodete Wälder, Landspekulationen, Care-Krise: Kann gemeinschaftliches Eigentum helfen, die sozial-ökologische Krise zu überwinden? In den Philippinen sind vorkoloniale kollektive Landrechte Indigener rechtlich anerkannt. Wie manifestiert sich unter diesen Bedingungen die sozial-ökologische Krise? Mit feministischer Forschungsperspektive nähert sich Janina Dannenberg dieser Frage in einer Fallstudie zu Materialität und Alltagspraxis der Matigsalug Manobo in Bukidnon an. Der (Re)Produktivitätsansatz, der analytisch feministische Ökonomiekritik und Ökologische Ökonomik miteinander verbindet, wird dezidiert empirisch getestet, kritisch diskutiert und im Sinne von Bruno Latours »Nichtmoderne« erweitert.
    Keywords: Soziale Ökologie ; Nachhaltige Entwicklung ; Indigene ; (Re)Produktivität ; Landrechte ; Philippinen ; Feminismus ; Bruno Latour ; Gesellschaft ; Natur ; Geschlecht ; Nachhaltigkeit ; Humanökologie ; Umweltsoziologie ; Gender Studies ; Politikwissenschaft ; Social Ecology ; Sustainable Development ; Indigenous ; (re)productivity ; Land Rights ; Philippines ; Feminism ; Society ; Nature ; Gender ; Sustainability ; Human Ecology ; Environmental Sociology ; Political Science ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNT Social impact of environmental issues
    Language: German
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  • 16
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    Gewalt erklären! (2024)
    Hamburger Edition | Hamburger Edition
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    Publication Date: 2024-05-12
    Description: Gewalt ist ein soziales Ereignis, das alltäglich ist, auch wenn sich Regionen der Welt mitunter massiv in ihren Gewaltniveaus unterscheiden. Und doch wird Gewalt – zumindest in den westlichen Gesellschaften – als Rätsel oder exotisches Geschehnis wahrgenommen, mit Auswirkungen, die selbst noch in den Sozialwissenschaften zu beobachten sind. Denn die Gewaltforschung tut sich einigermaßen schwer, Gewalt zu erklären, wenn nicht sogar der Versuch der Erklärung dezidiert zurückgewiesen wird. Erklärungen, die jeweils bei den Motiven von Akteuren, bei situativen Interaktionsdynamiken oder gesellschaftlichen Bedingungskonstellationen ansetzen, können allein nicht überzeugen. Die Autoren schlagen vor, an prozessualen Erklärungen von Gewalt zu arbeiten, die den Blick auf die Vorgänge der Verursachung richten, um so der wissenschaftlichen Diskussion um Gewalt einen neuen methodischen Impuls zu geben.
    Keywords: Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government
    Language: German
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  • 17
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    Law in Conflict (2024)
    transcript Verlag
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    Publication Date: 2024-03-29
    Description: Peru's industrial mining sector is highly conflictual and characterized by social disputes. Many of these conflicts are fought not only in politics but also in the courts, as activists attempt to hold corporate and state actors liable for human rights violations. At the same time, they face an increasing criminalization of their protests. Law is thus both an emancipatory tool for activists to access justice and an instrument for political and economic elites to prevent social change. Based on ethnographic field work, Angela Lindt sheds light on various mining disputes in Cajamarca and Piura and examines the role of law in resolving these conflicts.
    Keywords: Human Rights ; Social Movements ; Mining ; Peru ; Protest ; Law ; Transnational Corporations ; Democracy ; Politics ; Economy ; International Relations ; Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPW Political activism / Political engagement::JPWG Pressure groups, protest movements and non-violent action ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPS International relations ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPV Political control and freedoms::JPVH Human rights, civil rights
    Language: English
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  • 18
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    Performance Characteristics of Plane-Wall Two-Dimensional Diffusers (1953)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Experiments have been made at Stanford University to determine the performance characteristics of plane-wall, two-dimensional diffusers which were so proportioned as to insure reasonable approximation of two-dimensional flow. All of the diffusers had identical entrance cross sections and discharged directly into a large plenum chamber; the test program included wide variations of divergence angle and length. During all tests a dynamic pressure of 60 pounds per square foOt was maintained at the diffuser entrance and the boundary layer there was thin and fully turbulent. The most interesting flow characteristics observed were the occasional appearance of steady, unseparated, asymmetric flow - which was correlated with the boundary-layer coalescence - and the rapid deterioration of flow steadiness - which occurred as soon as the divergence angle for maximum static pressure recovery was exceeded. Pressure efficiency was found to be controlled almost exclusively by divergence angle, whereas static pressure recovery was markedly influenced by area ratio (or length) as well as divergence angle. Volumetric efficiency. diminished as area ratio increased, and at a greater rate with small lengths than with large ones. Large values of the static-pressure-recovery coefficient were attained only with long diffusers of large area ratio; under these conditions pressure efficiency was high and. volumetric efficiency low. Auxiliary tests with asymmetric diffusers demonstrated that longitudinal pressure gradient, rather than wall divergence angle, controlled flow separation. Others showed that the addition of even a short exit duct of uniform section augmented pressure recovery. Finally, it was found that the installation of a thin, central, longitudinal partition suppressed flow separation in short diffusers and thereby improved pressure recovery
    Keywords: Aerodynamics
    Type: NACA-TN-2888
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  • 19
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    Theoretical Performance Characteristics of Sharp Lip Inlets at Subsonic Speeds (1953)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A method is presented for the estimation of the subsonic-flight-speed characteristics of sharp-lip inlets applicable to supersonic aircraft. The analysis, based on a simple momentum balance consideration, permits the computation of inlet pressure recovery - mass-flow relations and additive-drag coefficients for forward velocities from zero to the speed of sound. The penalties for operation of a sharp-lip inlet at velocity ratios other than 1.0 may be severe; at lower velocity ratios an additive drag is incurred that is not cancelled by lip suction, while at higher velocity ratios, unavoidable losses in inlet total pressure will result. In particular, at the take-off condition, the total pressure and the mass flow for a choked inlet are only 79 percent of the values ideally attainable with a rounded lip. Experimental data obtained at zero speed with a sharp-lip supersonic inlet model were in substantial agreement with the theoretical results.
    Keywords: Aerodynamics
    Type: NACA-TN-3004
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  • 20
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    On the Development of Turbulent Wakes from Vortex Streets (1953)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Wake development behind circular cylinders at Reynolds numbers from 40 to 10,000 was investigated in a low-speed wind tunnel. Standard hotwire techniques were used to study the velocity fluctuations. The Reynolds number range of periodic vortex shedding is divided into two distinct subranges. At R = 40 to 150, called the stable range, regular vortex streets are formed and no turbulent motion is developed. The range R = 150 to 300 is a transition range to a regime called the irregular range, in which turbulent velocity fluctuations accompany the periodic formation of vortices. The turbulence is initiated by laminar-turbulent transition in the free layers which spring from the separation points on the cylinder. This transition first occurs in the range R = 150 to 300. Spectrum and statistical measurements were made to study the velocity fluctuations. In the stable range the vortices decay by viscous diffusion. In the irregular range the diffusion is turbulent and the wake becomes fully turbulent in 40 to 50 diameters downstream. It was found that in the stable range the vortex street has a periodic spanwise structure. The dependence of shedding frequency on velocity was successfully used to measure flow velocity. Measurements in the wake of a ring showed that an annular vortex street is developed.
    Keywords: Aerodynamics
    Type: NACA-TN-2913
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  • 21
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    The Base Pressure at Supersonic Speeds on Two-Dimensional Airfoils and Bodies of Revolution (With and Without Fins) Having Turbulent Boundary Layers (1953)
    In:  CASI
    Details
    Publication Date: 2019-08-17
    Description: An analysis has been made of available experimental data to show the effects of most variables that are predominant in determining base pressure at supersonic speeds. Two dimensional bases and bases of bodies of revolution, restricted to turbulent boundary layers, are covered.
    Keywords: Aerodynamics
    Type: NACA-RM-L53C02
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  • 22
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    Elastic Buckling under Combined Stresses of Flat Plates with Integral Waffle-Like Stiffening (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Theory and experiment were compared and found in good agreement for the elastic Buckling under combined stresses of long flat plates with integral waffle-like stiffening in a variety of configurations. For such flat plates, 45deg waffle stiffening was found to be the most effective of the configurations for the proportions considered over the widest range of combinations of compression and shear.
    Keywords: Aerodynamics
    Type: NACA-RM-L53J27
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  • 23
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    Rocket-Model Measurements of Zero-Lift Damping in Roll of the Bell MX-776 Missile at Mach Numbers from 0.6 to 1.56 (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: The zero-lift damping in roll of the Bell MX-776 missile has been measured by a sting-mounted rocket-model technique at Mach numbers from 0.6 to 1.56. The damping-in-roll data, in general, show no unusual variation with Mach number. Aileron rolling-moment effectiveness derived from these data and previously obtained rolling-effectiveness data appear reasonable,
    Keywords: Aerodynamics
    Type: NACA-RM-SL54A13
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  • 24
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    Lateral Oscillatory Characteristics of the Republic F-91 Airplane Calculated by Using Low-Speed Experimental Static and Rotary Derivatives (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: The present investigation was conducted to determine, from low-speed tests in the Langley stability tunnel, the static and rotary derivatives of a 1/9-scale model of the Republic F-91 airplane and various of its components (including the effects of wing incidence) and to determine the accuracy with which the period and damping of the lateral oscillation of the airplane could be calculated by using these experimentally between flight and calculated period and damping of the lateral oscillation were made for Mach numbers from 0.4 to 0.9 at an altitude of 20,OOO feet for 0deg wing incidence and several other wing incidences. Some comparisons were made of the static and rotary derivatives of the model and derivatives estimated by available procedures. determined derivatives (corrected for Mach number effects). Comparisons The results of the investigation have indicated that the model did not have unusual aerodynamic characteristics except for a large (about -0.125) increment in the damping in yaw contributed by the fuselage. Changes in wing incidence, in general, had little effect on the static and rotary derivatives of the model. The static and rotary derivatives of the model could be estimated with good accuracy only in the low angle-of-attack range by using available procedures.
    Keywords: Aerodynamics
    Type: NACA-RM-L53G01
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  • 25
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    An Exploratory Investigation of Some Types of Aeroelastic Instability of Open and Closed Bodies of Revolution Mounted on Slender Struts (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Aeroelastic instability phenomena of isolated open and closed rigid bodies of revolution free to move under elastic restraint have been investigated experimentally at low speeds by means of models suspended at zero angles of attack and yaw on slender flexible struts from a wind tunnel ceiling. Three types of instability were observed - flutter similar to classical bending-torsion flutter, divergence, and an uncoupled oscillatory instability which consists in nonviolent continuous or intermittent small-amplitude oscillations involving only angular deformations. The speeds at which this oscillatory instability starts were found to be as low as about one-third of the speed at flutter or divergence and to depend on the shape of the body, particularly that of the afterbody, and on the relative location of the elastic axis. An attempt has been made to calculate the airspeeds and, in the case of the oscillatory phenomena, the frequencies at which these instabilities occur by using slender-body theory for the aerodynamic forces on the bodies and neglecting the aerodynamic forces on the struts. However, the agreement between the speeds and frequencies calculated in this manner and those actually observed has been found to be generally unsatisfactory; with the exception of the frequencies of the uncoupled oscillations which could be predicted with fair accuracy. The nature of the observed phenomena and of the forces on bodies of revolution suggests that a significant improvement in the accuracy of analytical predictions of these aeroelastic instabilities can be had only by taking into account the effects of boundary-layer separation on the aerodynamic forces.
    Keywords: Aerodynamics
    Type: NACA-RM-L53E07
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  • 26
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    Flight Test Results of Rocket-Propelled Buffet-Research Models Having 45 Degree Sweptback Wings and 45 Degree Sweptback Tails Located in the Wing Chord Plane (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Three rocket-propelled buffet-research models have been flight tested to determine the buffeting characteristics of a swept-wing- airplane configuration with the horizontal tail operating near the wing wake. The models consisted of parabolic bodies having 45deg sweptback wings of aspect ratio 3.56, at aspect ratio of 0.3, NACA 64A007 airfoil sections, and tail surfaces of geometry and section identical to the wings. Two tests were conducted with the horizontal tail located in the wing chord plane with fixed incidence angles of -1.5deg on one model and 0deg on the other model. The third test was conducted with no horizontal tail. Results of these tests are presented as incremental accelerations in the body due to buffeting, trim angles of attack, trim normal- and side-force coefficients, wing-tip helix angles, static-directional-stability derivatives , and drag coefficients plotted against Mach number. These data indicate that mild low-lift buffeting was experienced by all models over a range of Mach number from approximately 0.7 to 1.4. It is further indicated that this buffeting was probably induced by wing-body interference and was amplified at transonic speeds by the horizontal tail operating in the wing wake. A longitudinal trim change was encountered by the tail-on models at transonic speeds, but no large changes in side force and no wing dropping were indicated.
    Keywords: Aerodynamics
    Type: NACA-RM-L53I10
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  • 27
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    Investigation of the Attenuation of Plane Shock Waves Moving over very Rough Surfaces (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Experimental measurements of the attenuation of plane shock waves moving over rough walls have been made in a shock tube. Measurements of the boundary-layer characteristics, including thickness and velocity distribution behind the shock, have also been made with the aid of new cal techniques which provide direct information on the local boundary-layer conditions at the rough walls. Measurements of shock speed and shock pressure ratio are presented for both smooth-wall and rough-wall flow over lengths of machined-smooth and rough strips which lined all four walls of the shock tube. A simplified theory based on Von Karman's expression for skin-friction coefficient for flow over rough walls, along with a wave-model concept and extensions to include time effects, is presented. In this theory, the shock-tube flow is assumed to be one-dimensional at all times and the wave-model concept is used to relate the local layer growth to decreases in shock strength. This concept assumes that local boundary-layer growths act as local mass-flow sinks, which give rise to expansion waves which, in turn, overtake the shock and lower its mass flow accordingly.
    Keywords: Aerodynamics
    Type: NACA-RM-SL53D13A
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  • 28
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    Factors Affecting Laminar Boundary Layer Measurements in a Supersonic Stream (1953)
    In:  CASI
    Details
    Publication Date: 2019-08-13
    Description: The observed discrepancy at supersonic speeds between theoretical and apparent experimental average flat plate friction-drag coefficients calculated from boundary layer total-pressure surveys was investigated. Effects of the total-pressure probe, heat transfer through the leading edge region, change in leading-edge radius and strength of the leading-edge wave, possible early transition to turbulent flow or bursts of turbulence, and the slight stream-wise pressure gradient inherent in flat plate flow were investigated for plates with very sharp leading edges. Only one of these factors, the effect of the total-pressure probe, was found to be significant. Total-pressure probes of different tip heights, when placed in laminar boundary layers developing under identical conditions, were found to yield different values of friction drag coefficient. Extrapolation of these measurements indicates that a probe of vanishing size would yield the theoretical predicted values of average flat plate friction-drag coefficients. A correlation describing the relation between the friction-drag discrepancy and the probe tip height is presented.
    Keywords: Aerodynamics
    Type: NACA-TN-2891
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  • 29
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    A Transonic Wind-Tunnel Investigation of the Trim and Dynamic Response Characteristics of the Horizontal Tail of a 1/7-Scale Model of the Complete Tail of the Grumman XF10F-1 Airplane (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: An investigation was made of the trim and dynamic response characteristics of the free-floating horizontal tail of a 1/7-scale model of the complete tail of the Grumman XF10F-1 airplane in the Langley 8-foot transonic tunnel at Mach numbers up to 1.13. The complete tail was mounted in the tunnel on a 3deg conical support body. Various configurations were investigated. A loss in damping of the horizontal tail at transonic speeds was shown by both tunnel and flight tests. The loss in damping extended over a greater Mach number range and the maximum loss occurred at a higher Mach number in the tunnel tests. Large-amplitude oscillations of the horizontal tail of the basic configuration which occurred at low supersonic Mach numbers appeared to be primarily due to the vertical tail of the basic configuration and the interference effects associated with this tail. Secondary factors contributing to the development of the large-amplitude oscillations of the horizontal tail of the basic configuration were probably the loss in damping of the horizontal tail at transonic speeds and the turbulence of the airstream itself.
    Keywords: Aerodynamics
    Type: NACA-RM-SL53D28
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  • 30
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    Theory of Wing-Body Drag at Supersonic Speeds (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: At subsonic speeds the pressure drag arising from the thickness of the body or wings is negligible so long as the shapes are sufficiently well streamlined to avoid flow separation. In that range there exists no possibility of either favorable or adverse interference on the pressure distributions themselves. If one body is so placed as to receive a drag from the pressure field of another then the second body is sure to receive a corresponding increment of thrust from the first. At supersonic speeds this tolerance, which was permitted the designer, disappears and the drag becomes sensitive to the shape and arrangement of the bodies.To be sure, the primary factor here is the thickness ratio, but nevertheless there exist arrangements in which a large cancellation of drag occurs.
    Keywords: Aerodynamics
    Type: NACA-RM-A53H18a
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  • 31
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    Calibration of the Friez Aerovane, Wind Measuring Set An/GMQ-11 (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Calibrations of the Friez Aerovane, Wind Measuring Set AN/GMQ-11, manufactured by the Friez Instrument Division of the Bendix Aviation Corporation, were made in the Langley 300 MPH 7- by 10-foot tunnel at the request of the Signal Corps, U, S. Army. Two propellers snd two generators were tested through a speed range of 15 to 190 knots, The results indicated that at airspeeds greater than 80 knots the instrument indicated airspeeds higher than the tunnel airspeed..
    Keywords: Aerodynamics
    Type: NACA-RM-SL53L23B
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  • 32
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    Recent Results Pertaining to the Application of the "Area Rule" (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: This paper is concerned primarily with the application of the "area rule" to the interpretation and improvement of the drag-rise characteristics of wing-body combinations at transonic and moderate supersonic speeds. Consideration of the general physical nature of the flow at transonic speeds, together with comparisons of the flow fields and drag-rise characteristics for wing-body combinations and bodies of revolution has led to the conclusion that near the speed of sound the drag rise for a thin low-aspect-ratio wing-body combination is primarily dependent on the axial distribution of cross-sectional area normal to the airstream (ref. 1). (The drag rise, sometimes referred to as pressure drag, is the difference between the drag level near the speed of sound and the drag level at subsonic speeds where the drag is due primarily to skin friction.) In order to illustrate the concept, figure 1 shows a wing-body combination and a body of revolution. A typical cross section normal to the airstream for the wing-body combination is shown at AA. The cross-sectional area of the wing is wrapped around the body of revolution so that the body has the same cross-sectional area at BB. All the other cross-sectional areas of the body of revolution are the same as those for the wing-body combination at the same axial stations. On the basis of the conclusion just stated, the drag rise for this body of revolution should be similar to that for the wing-body combination.
    Keywords: Aerodynamics
    Type: NACA-RM-L53I15a
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  • 33
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    Investigation of a Half-Conical Scoop Inlet Mounted at Five Alternate Circumferential Locations around a Circular Fuselage Pressure-Recovery Results at a Mach Number 2.01 (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: The effects of inlet circumferential position around the fuselage on the characteristics of a half-conical scoop inlet having a 24.6deg half-angle cone have been investigated in the langley 4- by 4-foot supersonic pressure tunnel. Pressure-recovery results have been obtained at a Mach number of 2.01 for a fixed boundary-layer-bleed height which was 60 percent of the boundary-layer thickness at an angle of attack of 0deg, and for cowling position parameters of 42.4deg and 38.0deg. inlet had a capture area equal to 24.9 percent of the basic-fuselage frontal area. The angle of attack was varied from 0deg to 12deg. The most favorable pressure-recovery characteristics at angles of attack were obtained with the Inlet located on the bottom of the fuselage where the maximum recovery increased from a value of 81 percent at an angle of attack of 0deg to 87 percent at 12deg. In general, the pressure recovery decreased with increasing angle of attack for all other inlet locations. At a given angle of attack the pressure recovery decreased as the inlet location was progressively moved from the bottom to the top of the fuselage. Stable subcritical operation of the inlet with nearly constant pressure recovery was obtained for inlet mass-flow ratios from 1.0 to about 0.76 at an angle of attack of 0deg with the central body in the design position.
    Keywords: Aerodynamics
    Type: NACA-RM-L53D30B
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  • 34
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    Drag Measurements on Equivalent Bodies of Revolution of Six Configurations of the Convair MX-1964 (Originally MX-1626) Proposed Supersonic Bomber (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: Tests on equivalent bodies of revolution of six configurations of the Consolidated Vultee Aircraft Corporation proposed supersonic bomber (Convair MX-1964) have indicated that it is possible to reduce the drag of the configuration by designing it to have a favorable area distribution. The method of NACA RM L53I22c to predict the peak pressure drag of a configuration on the basis of its area distribution gave generally good agreement with the subject models.
    Keywords: Aerodynamics
    Type: NACA-RM-SL53K04 , L-82024
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  • 35
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    High-Speed Wind-Tunnel Tests of a 1/16-Scale Model of the D-558 Research Airplane Lift and Drag Characteristics of the D-558-1 and Various Wing and Tail Configurations (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Tests were made in the Langley 8-foot high-speed tunnel to investigate the aerodynamic characteristics of the D-558-1 airplane and various wing and tail configurations on the D-558-1 fuselage. The various wing and tail configurations were tested to determine the aerodynamic effects of aspect ratio and sweep for suitable use on the second phase of the D-558 project (D-558-2). The tests were conducted through a speed range from a Mach number of 0.40 to approximately 0.94.This part of the investigation includes the lift and drag results available for the configurations tested at this rate. The D-558-1 results indicated that the lift force break would occur at a Mach number of 0.85 with some reduction in lift at speeds above this Mach number. Tests indicated that the airplane will have satisfactory lift and drag characteristics up to and including its design Mach number of 0.85. The 35deg sweptback, 35deg swept-forward, and low-aspect-ratio (2.0) wing configurations all showed pronounced improvements in maintaining lift throughout the Mach number range tested and in increasing the critical speeds above the D-558-1 value &itical to critical Mach numbers on the order of 0.9. Insofar as lift and drag characteristics are concerned level flight at speeds approaching the velocity of sound appears practical if swept or low-aspect-ratio configurations similar to those tested are used.
    Keywords: Aerodynamics
    Type: NACA-RM-L6J09
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  • 36
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    Low-Speed Longitudinal Stability Characteristics of a 1/6-Scale Model of the Republic XF-84H Airplane with the Propeller Operating (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: A low-speed investigation was made of a 1/6-scale model of the Republic XF-84H airplane. The model had a single tractor propeller and a 40deg swept wing of aspect ratio 3.45. This investigation was undertaken to provide information on the effects of propeller operation on longitudinal stability characteristics for the XF -84H airplane and to provide an indication of slipstream effects that might be encountered on similar swept-wing configurations. Effects of propeller operation were generally destabilizing for all conditions investigated; however, the over-all stability characteristics with power on were greatly dependent on the power-off characteristics. With flaps and slats retracted, longitudinal instability was present at moderate angles of attack both with the propeller off and with power on. The longitudinal stability with flaps and slats deflected, which was satisfactory without power, was decreased by propeller operation, but no marked pitch-up tendency was indicated. Significant improvement in the power-on stability with flaps retracted was achieved by use of either a wing fence at 75 percent semispan, a leading-edge chord-extension from 65 to 94 percent semispan, or a raised horizontal tail located 65 percent semispan above the thrust line.
    Keywords: Aerodynamics
    Type: NACA-RM-SL-53F26
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  • 37
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    Drag and Longitudinal Trim at Low Lift of the North American YF-100A Airplane at Mach Numbers from 0.76 to 1.77 as Determined from the Flight Test of a 0.11-Scale Rocket Model (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Drag and longitudinal trim at low lift of the North American YF-100A airplane at Mach numbers from 0.76 to 1.77 as determined from the flight test of a 0.11-scale rocket model are presented herein. Also included are some longitudinal stability and some qualitative pitch-damping data. The subsonic external-drag-coefficient level was about 0.012, and the supersonic level was about 0.043. The drag rise occurred at a Mach number of 0.95. The longitudinal trim change at low lift consisted basically of a mild nose-up tendency at a Mach number of 0.90. An indication of wing flutter was present at Mach numbers from 0.95 to 1.11. However, the full-scale airplane wing has approximately twice the scaled first-bending frequency as the model tested and, hence, will probably be free of this type of flutter. The aerodynamic-center location was 71 percent behind the leading edge of the mean aerodynamic chord at a Mach number of 1.03 and 62 percent at a Mach number of 1.74. Qualitative measurement of damping in pitch indicates that at low lift coefficients damping will be low at a Mach number of 1.03.
    Keywords: Aerodynamics
    Type: NACA-RM-SL53E11a
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  • 38
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    Summary of Rocket-Model Tests at Zero Lift of the Northrop MX-775B Missile Configuration from Mach Numbers of 0.9 to 1.8 (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Flight tests were conducted between Mach numbers of 0.9 and 1.8 over a Reynolds number range of 9(exp 6) to 30(exp 6) to determine the zero-lift drag and some rolling-effectiveness characteristics of the Northrop MX -775B missile with small and large body. The MX-775B is a proposed long range, supersonic, ground-to-ground missile having an arrow wing with 67.5 degree leading-edge sweep, 15 deg trailing-edge sweep, and a modified NACA 0004 airfoil section. The configuration has no horizontal tail but has wing trailing-edge elevons which serve a dual purpose as elevators and ailerons. The ratio of body frontal area to wing plan-form area is 0.0127 for the small-body configuration and 0.0330 for the large-body configuration. Five 1/4-scale models were flown permitting determination of the drag coefficient for the basic small-body configuration, the incremental drag due to the large body, the incremental drag resulting from a blunt wing trailing edge, the wing-plus-interference drag, and some rolling-effectiveness data. Results indicated that the MX-775B has low supersonic zero-lift drag, the maximum zero-lift drag coefficients being respectively 0.0125 and 0.0155 at a Mach number of M = 1803 for the small- and large-body configurations. The effect of a blunt wing trailing edge, obtained by cutting off 10 percent of the wing chord, was to increase the zero-lift drag by 13 to 21 percent. Wing-plus-interference drag accounted for 78 percent of the total drag at M = 0.9 and 70 percent at M = 195 for the small-body configuration. The ailerons produced positive rolling effectiveness for the wing stiffness of the test models and the dynamic pressures of the test.
    Keywords: Aerodynamics
    Type: NACA-RM-SL53J02
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