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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1997-07-25
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sparks, S -- New York, N.Y. -- Science. 1997 Jul 25;277(5325):459-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9254411" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alanine/metabolism ; Animals ; Brain/*metabolism ; Cerebrovascular Circulation ; Cytosol/metabolism ; *Glycolysis ; Humans ; Lactic Acid/metabolism ; Neurons/*metabolism ; Oxidation-Reduction ; Oxygen Consumption ; Pyruvic Acid/metabolism
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2019-06-28
    Beschreibung: A 3-D, quasi-steady, full potential flow solver was adapted to include realistic wake influence for the aerodynamic analysis of helicopter rotors. The method is based on a finite difference solution of the full potential equation, using an inner and outer domain procedure for the blade flowfield to accommodate wake effects. The nonlinear flow is computed in the inner domain region using a finite difference solution method. The wake is modeled by a vortex lattice using prescribed geometry techniques to allow for the inclusion of realistic rotor wakes. The key feature of the analysis is that vortices contained within the finite difference mesh (inner domain) were treated with a vortex embedding technique while the influence of the remaining portion of the wake (in the outer domain) is impressed as a boundary condition on the outer surface of the finite difference mesh. The solution procedure couples the wake influence with the inner domain solution in a consistent and efficient solution process. The method has been applied to both hover and forward flight conditions. Correlation with subsonic and transonic hover airload data is shown which demonstrates the merits of the approach.
    Schlagwort(e): AERONAUTICS (GENERAL)
    Materialart: NASA-CR-4007 , NAS 1.26:4007 , R86-915999-13
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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