Direct Numerical Simulation And Experimental Validation Of Hypersonic Boundary Layer Receptivity And Instability
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Direct Numerical Simulation And Experimental Validation Of Hypersonic Boundary Layer Receptivity And Instability
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Author : Xiaolin Zhong
language : en
Publisher:
Release Date : 2007
Direct Numerical Simulation And Experimental Validation Of Hypersonic Boundary Layer Receptivity And Instability written by Xiaolin Zhong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Aerodynamics, Hypersonic categories.
The objective of this research project is to compare our numerical simulation solutions with available experimental or theoretical results on hypersonic boundary layer receptivity and stability; and to conduct extensive DNS studies on the flow mechanisms of hypersonic boundary layer receptivity and stability. During the three-year period, we have conducted extensive DNS studies on the receptivity of hypersonic boundary layer flows over a sharp wedge, a flat plate, a blunt cone, and the FRESH aeroshell. DNS studies are compared with Stetson's 1984 stability experiment on Mach 7.99 flow over a blunt cone, and Maslov's leading-edge receptivity experiment on Mach 5.92 flow over a flat plate. Our numerical studies have been validated to be of high accuracy and led to further understanding of hypersonic boundary layer receptivity mechanism. Such understanding can lead to better tools for the prediction and control of high-speed boundary layer transition.
Recent Advances In Dns And Les
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Author : Doyle Knight
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Recent Advances In Dns And Les written by Doyle Knight and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Rapid advances in Direct Numerical Simulation (DNS) and Large Eddy Simulation (LES) of turbulence provide opportunities for improved prediction of incompressible and compressible turbulent flows. The book includes five invited and thirty-eight contributed papers presented at the Second AFOSR International Conference on DNS and LES held at Rutgers - The State University of New Jersey, on June 7-9, 1999. A broad range of topics in DNS and LES are presented, including new developments in LES modeling, numerical algorithms for LES and DNS, DNS and LES of reacting flows, and DNS and LES for supersonic and hypersonic boundary layers. The book provides a extensive view of the state of the art in DNS and LES.
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.
Nasa Technical Memorandum
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Author :
language : en
Publisher:
Release Date : 1991
Nasa Technical Memorandum written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Aeronautics categories.
Secondary Instabilities Of G Rtler Vortices In High Speed Boundary Layers
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Author : Jie Ren
language : en
Publisher: Springer
Release Date : 2017-10-27
Secondary Instabilities Of G Rtler Vortices In High Speed Boundary Layers written by Jie Ren and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-27 with Technology & Engineering categories.
This thesis first reveals the mechanism of Görtler instabilities and then demonstrates how transitions at hypersonic flows can be effectively controlled (either promoted or suppressed) with Görtler or Klebanoff modes. It focuses on understanding and controlling flow transitions from mild laminar to fully turbulent flows at high speeds—aspects that have become crucial at the dawn of an incredible era, in which hypersonic vehicles are becoming available. Once this occurs, it will be possible to travel from Beijing to Los Angeles within just 2 hours, and we will all live in a genuinely global village—and not just virtually, but physically. Görtler instabilities have often been used to promote flow transition in hypersonic vehicles. However, how Görtler instabilities are excited and how they evolve in hypersonic flows are questions that have yet to be answered.
Nasa Aerodynamics Program Annual Report 1990
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Author : Louis J. Williams
language : en
Publisher:
Release Date : 1991
Nasa Aerodynamics Program Annual Report 1990 written by Louis J. Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Aerodynamics categories.
Aiaa Journal
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Author : American Institute of Aeronautics and Astronautics
language : en
Publisher:
Release Date : 2006
Aiaa Journal written by American Institute of Aeronautics and Astronautics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Aeronautics categories.
Aiaa Aerospace Sciences Meeting And Exhibit 42nd
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Author :
language : en
Publisher:
Release Date : 2004
Aiaa Aerospace Sciences Meeting And Exhibit 42nd written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Aeronautics categories.
05 5000 05 5036
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Author :
language : en
Publisher:
Release Date : 2005
05 5000 05 5036 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 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.