On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction
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On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-09
On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-09 with categories.
The generation of long-wavelength, viscous-inviscid interactive Goertler vortices is studied in the linear regime by numerically solving the time-dependent governing equations. It is found that time-dependent surface deformations, which assume a fixed nonzero shape at large times, generate steady Goertler vortices that amplify in the downstream direction. Thus, the Goertler instability in this regime is shown to be convective in nature, contrary to the earlier findings of Ruban and Savenkov. The disturbance pattern created by steady and streamwise-elongated surface obstacles on a concave surface is examined in detail, and also contrasted with the flow pattern due to roughness elements with aspect ratio of order unity on flat surfaces. Finally, the applicability of the Briggs-Bers criterion to unstable physical systems of this type is questioned by providing a counterexample in the form of the inviscid limit of interactive Goertler vortices. Choudhari, Meelan and Hall, Philip and Streett, Craig Langley Research Center NAS1-18605; RTOP 505-90-52-01...
On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction
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Author :
language : en
Publisher:
Release Date : 1992
On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction Part 1 The Linear Case
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Author : Institute for Computer Applications in Science and Engineering
language : en
Publisher:
Release Date : 1992
On The Spatial Evolution Of Long Wavelength Goertler Vortices Governed By A Viscous Inviscid Interaction Part 1 The Linear Case written by Institute for Computer Applications in Science and Engineering and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
On The Spatial Evolution Of Long Wavelength Gortler Vortices Governed By A Viscous Inviscid Interaction Part 1 The Linear Case
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Author :
language : en
Publisher:
Release Date : 1992
On The Spatial Evolution Of Long Wavelength Gortler Vortices Governed By A Viscous Inviscid Interaction Part 1 The Linear Case written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
The generation of long-wavelength, viscous-inviscid interactive Gortler vortices is studied in the linear regime by numerically solving the time-dependent governing equations. It is found that time dependent surface deformations, which assume a fixed nonzero shape at large times, generate steady Gortler vortices that amplify in the downstream direction. Thus, the Gortler instability in this regime is shown to be convective in nature, contrary to the earlier findings of Ruban and Savenkov. The disturbance pattern created by steady and streamwise-elongated surface obstacles on a concave surface is examined in detail, and also contrasted with the flow pattern due to roughness elements with aspect ratio of order unity on flat surfaces. Finally, tile applicability of the Briggs-Bers criterion to unstable physical systems of this type is questioned by providing a counterexample in the form of the inviscid limit of interactive Gortler vortices.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
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 1995 with Aeronautics categories.
On The Spatial Evolution Of Long Wavelength Gortler Vortices Governed By A Viscous Inviscid Interaction Part L The Linear Case
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Author : Meelan Choudhari
language : en
Publisher:
Release Date : 1992
On The Spatial Evolution Of Long Wavelength Gortler Vortices Governed By A Viscous Inviscid Interaction Part L The Linear Case written by Meelan Choudhari and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Numerical Simulations Of Incompressible Flows
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Author : Mohamed M Hafez
language : en
Publisher: World Scientific
Release Date : 2003-01-23
Numerical Simulations Of Incompressible Flows written by Mohamed M Hafez and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-23 with Mathematics categories.
This book consists of 37 articles dealing with simulation of incompressible flows and applications in many areas. It covers numerical methods and algorithm developments as well as applications in aeronautics and other areas. It represents the state of the art in the field.
26th Aiaa Fluid Dynamics Conference
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Author :
language : en
Publisher:
Release Date : 1995
26th Aiaa Fluid Dynamics Conference written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Fluid dynamics categories.
Applied Mechanics Reviews
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Author :
language : en
Publisher:
Release Date : 1948
Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Mechanics, Applied categories.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1993
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Government reports announcements & index categories.