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  • Books  (28)
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  • 2010-2014
  • 1970-1974  (18)
  • 1950-1954  (2)
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  • AWI Archive  (28)
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  • Books  (28)
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  • 1
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    Series available for loan
    Detecting structural heat losses with mobile infrared thermography; Part I: Description of technique (1974)
    Hanover, N.H. : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-202-326
    In: Detecting structural heat losses with mobile infrared thermography / R.H. Munis, S.J. Marshall and M.A. Bush, Part I
    In: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command, 326
    Description / Table of Contents: CONTENTS: Preface. - Introduction. - Principle of the IR scanner. - Advantages of mobile infrared thermography. - Discussion of field measurements. - Recommendations for future work on thermography of buildings. - Other potential applications of infrared thermography of buildings. - Appendix A: Thermograms of northern exposure of USA CRREL building. - Appendix B: Sample thermograms of heat loss survey at Pease Air Force Base. -Appendix C: Sample thermograms of heat loss survey at Dartmouth College. - Abstract.
    Description / Table of Contents: A method to assess quickly the insulation effectiveness of buildings using mobile infrared thermography has been developed at USA CRREL. In contrast to the infrared thermography done in Sweden, this method concentrates on obtaining useful data by measuring the outside surface temperature of structures. This report outlines the basic principles involved in these measurements, and discusses field measurements and the inherent advantages of infrared thermography. Typical thermograms are presented in the appendixes.
    Type of Medium: Series available for loan
    Pages: iii, 13 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 326
    URL: http://www.worldcat.org/oclc/831686783
    Language: English
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  • 2
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    Summer temperatures in interior Alaska (1971)
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-202-244
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - Summer temperature data. - Station network and history. - Parameters for data reduction. - Analysis of summer temperatures. - Temperature trends. - Summer temperatures in the highlands. - Lapse rates for summer temperatures. - Spatial variation of summer temperatures. - Summary. - Literature cited. - Appendix A. - Appendix B. - Appendix C. - Abstract.
    Description / Table of Contents: Annual degree-day summations over bases of 43°F and 50°F in 15-day periods from May through August are given for the period of record for five interior Alaska climatic stations. Average temperature and precipitation data are included. Patterns of summer temperature in interior Alaska are analyzed in terms of historical, elevational and areal differences. Since 1900, summer temperatures show little long-term change but significant short-term changes. In contrast, winter temperatures show considerable fluctuations, which are reflected in mean annual temperatures to a much greater degree than are summer temperature fluctuations. Average summer lapse rates for the 1600 to 3300 and 3300 to 6600-ft levels were 3.4 and 3.7°F/1000 ft, respectively, based on timberline temperature observations and on upper air data from Fairbanks. Correlation analysis of daily and monthly average July temperatures indicates areas of uniformity with respect to temperature variation. This provides information on lowland climatic stations that are representative of highland locations, especially the Yukon-Tanana Uplands
    Type of Medium: Series available for loan
    Pages: iv, 37 Seiten , Illustrationen, Karten
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 244
    URL: https://babel.hathitrust.org/cgi/pt?id=uc1.31210025591825&seq=3
    Language: English
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  • 3
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    Internal friction of single-crystal ice (1973)
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-202-243
    In: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command, 243
    Description / Table of Contents: The internal friction of single-crystal ice has been attributed to reorientation of the water molecule under periodic stress. However, the theory for damped dislocations, which offers another mechanism for the internal friction of ice, has not been investigated. The effects of scratching the surface of 41 ice samples and X-irradiating and plastically deforming them were evaluated. The effects observed on the internal friction of pure, single-crystal ice, in the flexure mode of oscillation between 400 and 1400 Hz, supported the existence of a dislocation-controlled mechanism, with the drag produced by the interaction of the dislocation with the protons in the crystal. In addition, analysis of the detailed shape of the data curve showed two peaks of tan delta as a function of temperature. The second peak, which had not been previously reported, had an activation energy of 0.16 eV and a relaxation time of 1.7 x 10^8 sec at infinite temperature. These experiments indicated that both peaks vrere controlled by the dislocation mechanism described above.
    Type of Medium: Series available for loan
    Pages: iv, 41 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 243
    URL: http://hdl.handle.net/11681/5931
    Language: English
    Note: CONTENTS: Introduction. - Previous work. - Previous theory. - Internal friction of a crystal. - Granato-Lücke theory of dislocation damping. - Double kink mechanism. - Mechanisms not involving dislocations. - Experimental work. - Experimental approach. - Experimental apparatus. - Mode of oscillation. - Automated system. - Support, acoustic isolation, and temperature control. - Sample preparation. - X-ray apparatus. - Data analysis. - Stage I. - Stage II. - Stage III. - Experimental results and discussion. - The second peak. - Interpretation of scratching, X-irradiation, and plastic deformation. - Scratching. - X-irradiation. - Plastic deformation. - Supporting research. - Interpretation of the two peaks. - Conclusions. - Literature cited. - Appendix A: Computer programs. - Abstract.
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  • 4
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    Series available for loan
    Moving loads on a floating ice sheet (1970)
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research & Engineering Laboratory
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    Call number: ZSP-202-261
    In: Research report
    Description / Table of Contents: This paper considers a load moving with a constant velocity across an ice sheet that is floating on water. The ice sheet is assumed to be an isotropic, elastic, thin plate extending to infinity. The water is assumed to be inviscous, incompressible, and of a constant depth. The dynamic equations describing this ice-water system are solved for the steady state solution. Both a concentrated load and a uniform load distributed over a circular area are considered. The velocity which causes resonance is determined. The deflection and stress directly under the load are numerically evaluated.
    Type of Medium: Series available for loan
    Pages: ii, 13 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 261
    URL: http://www.worldcat.org/oclc/5325834
    Language: English
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  • 5
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    Series available for loan
    Creep of single crystals of ice (1954)
    Wilmette, Ill. : Snow, Ice and Permafrost Research Establishment
    Associated volumes
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    Call number: ZSP-201-11
    In: SIPRE report, 11
    Description / Table of Contents: A commercial deep-freeze unit was modified to serve as a laboratory for growing single crystals, cutting specimens of a given orientation, testing these specimens in compressive creep, and studying thin-sections of the results on a universal stage. A method of growing single crystals of adequate size was developed by adapting the Bridgman method. Fortyone creep tests were made at temperatures ranging from -1° to -18°C. These gave an unexpected form of creep-curve in which the rate of strain continuously increases with time. The mechanism of deformation is dominantly basal translation—consistent with earlier work. The dependence on temperature and stress is expressed empirically.
    Type of Medium: Series available for loan
    Pages: 24 Seiten , Illustrationen
    Series Statement: SIPRE report 11
    URL: https://hdl.handle.net/11681/6031
    Language: English
    Note: Contents Introduction Use of the deep-freeze as a cold laboratory Growing single crystals Creep tests Conclusions References cited
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  • 6
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    Series available for loan
    Snow, ice, and permafrost research survey and statement of research needs : [Draft copy] (1952)
    Wilmette, Ill. : Snow, Ice and Permafrost Research Establishment
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    Call number: ZSP-201-10
    In: SIPRE report, 10
    Type of Medium: Series available for loan
    Pages: 97 Seiten
    Series Statement: SIPRE report 10
    Language: English
    Note: Contents Foreword Synopsis Introduction Authority Purpose and scope SIPRE organization and activities Cryological problems and military end points Present state of knowledge General Introduction Terminology and classification Snow and ice Introduction Physical properties and geometry Density and water equivalent Water holding or storage capacity of snow Water transmission through snow Bound water Crystallography and metamorphism Porosity and permeability Mechanical properties Elasto-plastic properties Friction Strength Hardness Electromagnetic properties Dielectric constants Conductivity Magnetic properties Piezoelectric and pyroelectric effects Triboelectricity Freezing potential Thermodynamic properties Thermal properties Radiation Phase relations Engineering problems Snow and ice removal Snow compaction Snow draft control Trafficability Temporary structures Snow melt and runoff Maps Frozen ground and permafrost Introduction Frost action Theory of frost action Cyclic freezing and thawing Manifestations of frost actions Frost heave on freezing Reduction in load-carrying capacity on thawing Soil movements on slopes Ground properties affecting or affected by frost action Composition, grain size, and grain-size distribution Soil-moisture-movement properties Thermal properties Structure of unfrozen ground Structure of frozen ground Strength of frozen ground Freezing point Ground conditions affecting or affected by frost action Density Degree of saturation Interrelation of climate, position, vegetation, and soil Frost phenomena Climate Position Vegetation Engineering problems Excavation and replacement Subsurface drainage Base courses Insulation courses Surface icing and its control Trafficability Building foundations Maps Current related research Introduction Military cryological research in United States and Canada Non-military cryological research in the Western World Research needed Introduction Subjects for fundamental research Subjects for applied research
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  • 7
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    Series available for loan
    Astronomisch-geodätische Arbeiten der DDR-Teilnehmergruppe während der 17. Sowjetischen Antarktisexpedition : (Saison 1971/72) (1974)
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Demokratischen Republik
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    Call number: Q 2435/34 ; ZSP-319/C-34 ; MOP Per 581(3/34)
    In: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde, 34
    Type of Medium: Series available for loan
    Pages: 18 Seiten
    ISSN: 0435-6187
    Series Statement: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde 34
    Language: German
    Note: INHALT 1. Allgemeines 1.1. Vorbemerkungen 1.2. Station Wostok 1.2.1. Beschreibung der Station 1.2.2. Allgemeine Arbeiten 1.2.3. Wissenschaftliche Arbeiten 1.3. Südpolarobservatorium Mirny 1.3.1. Beschreibung der Station 1.3.2. Allgemeine Arbeiten 1.3.3. Wissenschaftliche Arbeiten 2. Astronomisch-geodätische Arbeiten 2.1. Aufgabenstellung 2.2. Vorbereitung der Arbeiten 2.3. Arbeiten in der Station Wostok 2.3.1. Organisation des Arbeitsablaufs 2.3.2. Zeitvergleiche, Zeitbewahrung 2.3.3. Bestimmung der geographischen Breite 2.3.4. Bestimmung der geographischen Länge 2.3.5. Ergänzungsbeobachtungen 2.3.6. Ergebnisse 2.4. Arbeiten im Observatorium Mirny 2.4.1. Vorbereitung der Beobachtungen 2.4.2. Durchführung der Breitenbestimmungen 2.4.3. Ergebnisse
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  • 8
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    Fortschritte in der seismischen Tiefensondierung : Vorträge auf der Arbeitstagung der KAPG, Arbeitsgruppe 1.1. "Seismische Tiefensondierungen" vom 9.-12. Dezember 1969 in Freiberg (DDR) (1971)
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Demokratischen Republik
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    Call number: Q 2435/21 ; ZSP-319/C-21 ; MOP Per 581(3/21)
    In: Geodätische und geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde, Heft 21
    Type of Medium: Series available for loan
    Pages: 64 Seiten , Illustrationen
    ISSN: 0435-6187
    Series Statement: Geodätische und geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde 21
    Language: German
    Note: INHALT Die Erdkruste der Ukraine und einige Gesetzmäßigkelten ihres Baus / SOLLOGUB, V. B. Experimentelle Ergebnisse der seismischen Tiefensondierungen auf dem Profil V in Polen / UCHMANN, J. Auswerteverfahren und erste Interpretationsergebnisse auf dem NW-Teil des Profils VI / KNOTHE, Ch. Information über Ergebnisse der seismischen Tiefensondierungen in der ČSSR in den Jahren 1968 und 1969 / BERANEK, B. Erforschung der Erdkruste in Ungarn / MITUCH, E., STEGENA, L., POSGAY, K., TÁRCZY-HORNOCH, A. Stand und einige Resultate der Erdkrustenuntersuchungen in der VR Bulgarien mit Hilfe von STS / DAČEV, Ch., PETKOV, I., VELČEV, C. Geschwindigkeitsmodell der Erdkruste und Methoden zu ihrer Erforschung / PAVLENKOVA, N. I. Über die dynamischen Eigenschaften der seismischen Wellen in Modellen der Erdkruste mit Schichten erniedrigter und erhöhter Geschwindigkeiten / GUTERCH, A.
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  • 9
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    Beitrag zur Weiterentwicklung des Zirkumzenitals (1970)
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Demokratischen Republik
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    Call number: Q 2435/20 ; ZSP-319/C-20 ; MOP Per 581(3/20)
    In: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde, Heft 20
    Type of Medium: Series available for loan
    Pages: 79 Seiten , Illustrationen
    ISSN: 0435-6187
    Series Statement: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde 20
    Language: German
    Note: Zugl.: Habilitation, Technische Universität Dresden, 1969 , INHALTSVERZEICHNIS 1. Einleitung 2. Historische Entwicklung des Zirkumzenitals 2.1. Vor- und Anfangsstadien der Almukantaratdurchgangsinstrumente 2.1.1. Das Nadirinstrument von BECK 2.1.2. Das Prismenastrolabium von CLAUDE und DRIENCOURT 2.1.3. Anfangsstadien des Zirkumzenitals von NUŠL und FRIČ 2.2. Das Zirkumzenital Modell 1922 2.2.1. Beschreibung 2.2.2. Das Spiegelsystem 2.2.3. Mikrometer zur Registrierung der Durchgangszeit 2.2.3.1. Vorbemerkung 2.2.3.2. Vorschläge von NUŠL und FRIČ 2.2.3.3. Das Mikrometer von BUCHAR 2.2.3.4. Die Modifikation von BAUERŠIMA und ŠURÁŇ 3. Theorie der Beobachtung von Almukantaratdurchgängen 3.1. Bedeutung der wichtigsten Symbole 3.2. Ableitung der Fehlergleichung 3.3. Auflösung der Normalgleichung 3.4. Das Gewicht einer Beobachtung 3.5. Fehlerberechnung 3.6. Differentialformeln 3.7. Korrektionen und Fehlereinflüsse 3.7.1. Vorbemerkung 3.7.2. Krümmung des Parallelkreises 3.7.3. Krümmung des Almukantarats 3.7.4. Fehlerhafte Justierung 4. Das Dresdner Zirkumzenital 4.1. Das Grundgerät 4.1.1. Allgemeine Beschreibung 4.1.2. Der Spiegelträger 4.1.3. Toleranzen und Eigenschaften der mechanischen Bauteile 4.1.4. Theoretische Forderungen an die Optik und deren Realisierung 4.1.5. Justierung des optischen Systems 4.2. Prinzipielle Überlegungen zur Registrierung der Durchgangszeit 4.2.1. Vorbemerkung 4.2.2. Zeitregistrierung ohne Mikrometer 4.2.3. Mikrometrische Zeitregistrierung 4.3. Zeitregistrierung nach der Lichtblitzmethode 4.3.1. Vorbemerkung 4.3.2. Die Beobachtungseinrichtung 4.3.2.1. Ingenieurpsychologische Vorüberlegungen 4.3.2.2. Optischer Teil der Beobachtungseinrichtung 4.3.2.3. Elektrischer Teil der Beobachtungseinrichtung 4.3.3. Fehlerbetrachtung 4.3.3.1. Systematische Fehler 4.3.3.2. Zufällige Fehler 4.3.4. Technologie der Lichtblitzmethode 4.3.5. Berechnung der Durchgangszeit 4.4. Mikrometrische Zeitregistrierung 4.4.1. Vorbemerkung 4.4.2. Prinzip des Dresdner Mikrometers 4.4.3. Kontaktgabeeinrichtung 4.4.3.1. Mechanischer Kontaktgeber 4.4.3.2. Fotoelektrischer Impulsgeber 4.4.4. Fehler und Konstanten des Mikrometers 4.4.5. Ermittlung der Durchgangszeiten 5. Praktische Erprobung des Zirkumzenitals 5.1. Die Beobachtungen 5.1.1. Die Beobachtungsstation 5.1.2. Das Sternprogramm 5.1.3. Übersicht der Beobachtungen 5.2. Die Auswertung 5.3. Zusammenstellung und Diskussion der Ergebnisse 5.3.1. Die Ergebnisse der Beobachtungen 5.3.2. Statistische Beurteilung und Diskussion der Ergebnisse 5.4. Schlußfolgerungen für den Einsatz des Zirkumzenitals 6. Zusammenfassung Literatur
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  • 10
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    Beiträge zur Refraktion in hohen Breiten : dem Präsidenten des NKGG, Prof. Dr.-Ing. H. Peschel zum 60. Geburtstag (1970)
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Demokratischen Republik
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    Call number: Q 2435/17 ; ZSP-319/C-17 ; MOP Per 581(3/17)
    In: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde, Heft 17
    Type of Medium: Series available for loan
    Pages: 39 Seiten , Illustrationen
    ISSN: 0435-6187
    Series Statement: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde 17
    Language: German
    Note: INHALTSVERZEICHNIS Symbole Vorwort 1. Die vertikale Lichtstrahlkrümmung in 300 bis 1200 m Höhe über Spitzbergen nach aerologischen Aufstiegen 1.1. Die aerologischen Aufstiege 1.2. Die Temperaturverhältnisse über Spitzbergen und die Typen der Refraktionsschichtung 1.3. Berechnung lokaler Refraktionskoeffizienten aus Temperaturmessungen in der freien Atmosphäre 1.4. Refraktionsschwankung und trigonometrische Höhenmessung 1.5. Bemerkungen zur Breitenabhängigkeit der Lichtstrahlkrümmung 2. Die vertikale Lichtstrahlkrümmung über einer ebenen, temperierten Firn- oder Eisfläche 2.1. Einige geophysikalische Gesichtspunkte zur Erforschung der eisnahen Refraktion 2.2. Temperatur und Feuchte in der eisnahen Luftschicht (TE = O °C) 2.3. Berechnung lokaler Refraktionskoeffizienten für die eisnahe Luftschicht (TE = O °C) 2.4. Refraktionsschichtung im Gletscherwind 3. Bemerkungen zur Bahnkrümmung elektromagnetischer Wellen über einer ebenen, temperierten Firn- oder Eisfläche 3.1. Berechnung der lokalen Bahnkrümmung von Mikrowellen für die eisnahe Luftschicht (TE = O °C) 3.2. Verdunstung und Duct 4. Grundzüge der Refraktion in hohen Breiten (Zusammenfassung)
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