Low Density Flow Effects For Hypervelocity Vehicles
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Low Density Flow Effects For Hypervelocity Vehicles
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Author : Roop N. Gupta
language : en
Publisher:
Release Date : 1990
Low Density Flow Effects For Hypervelocity Vehicles written by Roop N. Gupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Aerodynamics, Hypersonic categories.
Detailed flowfield results have been obtained for sphere-cone shaped bodies at various angles of attack with a 3D nonequilibrium viscous-shock-layer (VSL) code. Recently obtained surface and shock-slip boundary conditions are implemented to account for the low-density effects. These boundary conditions may also be employed with the Navier-Stokes equations with or without a shock-fitting solution technique. A method is suggested for obtaining the input shock shape for the 3D nonequilibrium viscous flow. This approach gives a superior convergence of results, especially under the low-density flow conditions and makes the VSL method self-starting. The analytic algebraic grid implemented with the equations does not add any numerical dissipation. Obtained results show the effect of low density on the surrounding flowfield and surface quantities for a hypervelocity vehicle. Good agreement is obtained with the available numerical results (including the Direct Simulation Monte-Carlo predictions) and experimental data for the low-density flight conditions. Keywords: Axisymmetric hypervelocity vehicles; Three-dimensional flow; Low density flow fields; Viscous shock layer equations; Nonequilibrium viscous flow; Angle of attack. (EDC).
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1990
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Aeronautics categories.
Low Density Flow Effects For Hypervelocity Vehicles Phase 2
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Author : Roop M. Gupta
language : en
Publisher:
Release Date : 1990
Low Density Flow Effects For Hypervelocity Vehicles Phase 2 written by Roop M. Gupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Detailed flowfield results have been obtained for sphere-cone shaped bodies at various angles of attack with a 3D nonequilibrium viscous-shock-layer (VSL) code. Recently obtained surface and shock-slip boundary conditions are implemented to account for the low-density effects. These boundary conditions may also be employed with the Navier-Stokes equations with or without a shock-fitting solution technique. A method is suggested for obtaining the input shock shape for the 3D nonequilibrium viscous flow. This approach gives a superior convergence of results, especially under the low-density flow conditions and makes the VSL method self-starting. The analytic algebraic grid implemented with the equations does not add any numerical dissipation. Obtained results show the effect of low density on the surrounding flowfield and surface quantities for a hypervelocity vehicle. Good agreement is obtained with the available numerical results (including the Direct Simulation Monte-Carlo predictions) and experimental data for the low-density flight conditions. Keywords: Axisymmetric hypervelocity vehicles; Three-dimensional flow; Low density flow fields; Viscous shock layer equations; Nonequilibrium viscous flow; Angle of attack. (EDC).
Nasa Thesaurus
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Author :
language : en
Publisher:
Release Date : 1988
Nasa Thesaurus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Aeronautics categories.
Journal Of Thermophysics And Heat Transfer
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Author :
language : en
Publisher:
Release Date : 1996
Journal Of Thermophysics And Heat Transfer written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Heat categories.
This journal is devoted to the advancement of the science and technology of thermophysics and heat transfer through the dissemination of original research papers disclosing new technical knowledge and exploratory developments and applications based on new knowledge. It publishes papers that deal with the properties and mechanisms involved in thermal energy transfer and storage in gases, liquids, and solids or combinations thereof. These studies include conductive, convective, and radiative modes alone or in combination and the effects of the environment.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1963
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
U S Government Research Reports
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Author :
language : en
Publisher:
Release Date : 1963
U S Government Research Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Science categories.
Air Force Research Resum S
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Author :
language : en
Publisher:
Release Date :
Air Force Research Resum S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Military research categories.
Technical Reports Awareness Circular Trac
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Author :
language : en
Publisher:
Release Date : 1989-05
Technical Reports Awareness Circular Trac written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-05 with Science categories.
Plasma Physics And Magnetohydrodynamics
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Author :
language : en
Publisher:
Release Date : 1963
Plasma Physics And Magnetohydrodynamics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Magnetohydrodynamics categories.