Numerical Simulation Of The Flow About The F 18 Harv At High Angle Of Attack
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Numerical Simulation Of The Flow About The F 18 Harv At High Angle Of Attack
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-09
Numerical Simulation Of The Flow About The F 18 Harv At High Angle Of Attack 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.
This research has been aimed at validating numerical methods for computing the flow about the complete F-18 HARV at alpha = 30 deg and alpha = 45 deg. At 30 deg angle of attack, the flow about the F-18 is dominated by the formation, and subsequent breakdown, of strong vortices over the wing leading-edge extensions (LEX). As the angle of attack is increased to alpha = 45 deg, the fuselage forebody of the F-18 contains significant laminar and transitional regions which are not present at alpha = 30 deg. Further, the flow over the LEX at alpha = 45 deg is dominated by an unsteady shedding in time, rather than strong coherent vortices. This complex physics, combined with the complex geometry of a full-aircraft configuration, provides a challenge for current computational fluid dynamics (CFD) techniques. The following sections present the numerical method and grid generation scheme that was used, a review of prior research done to numerically model the F-18 HARV, and a discussion of the current research. The current research is broken into three main topics; the effect of engine-inlet mass-flow rate on the F-18 vortex breakdown position, the results using a refined F-18 computational model to compute the flow at alpha = 30 deg and alpha = 45 deg, and research done using the simplified geometry of an ogive-cylinder configuration to investigate the physics of unsteady shear-layer shedding. The last section briefly summarizes the discussion. Murman, Scott M. Unspecified Center NCC2-729...
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.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Monthly Catalogue United States Public Documents
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Author :
language : en
Publisher:
Release Date : 1995
Monthly Catalogue United States Public Documents 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 Government publications categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1995
Monthly Catalog Of United States Government Publications 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 Government publications categories.
High Angle Of Attack Aerodynamics
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Author : Josef Rom
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
High Angle Of Attack Aerodynamics written by Josef Rom 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 Science categories.
The aerodynamics of aircraft at high angles of attack is a subject which is being pursued diligently, because the modern agile fighter aircraft and many of the current generation of missiles must perform well at very high incidence, near and beyond stall. However, a comprehensive presentation of the methods and results applicable to the studies of the complex aerodynamics at high angle of attack has not been covered in monographs or textbooks. This book is not the usual textbook in that it goes beyond just presenting the basic theoretical and experimental know-how, since it contains reference material to practical calculation methods and technical and experimental results which can be useful to the practicing aerospace engineers and scientists. It can certainly be used as a text and reference book for graduate courses on subjects related to high angles of attack aerodynamics and for topics related to three-dimensional separation in viscous flow courses. In addition, the book is addressed to the aerodynamicist interested in a comprehensive reference to methods of analysis and computations of high angle of attack flow phenomena and is written for the aerospace scientist and engineer who is familiar with the basic concepts of viscous and inviscid flows and with computational methods used in fluid dynamics.
Summary Of In Flight Flow Visualization Obtained From The Nasa High Alpha Research Vehicle
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Author : David F. Fisher
language : en
Publisher:
Release Date : 1991
Summary Of In Flight Flow Visualization Obtained From The Nasa High Alpha Research Vehicle written by David F. Fisher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Navier Stokes Flight And Wind Tunnel Flow Analysis For The F A 18 Aircraft
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Author : Farhad Ghaffari
language : en
Publisher:
Release Date : 1994
Navier Stokes Flight And Wind Tunnel Flow Analysis For The F A 18 Aircraft written by Farhad Ghaffari and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Hornet (Jet fighter plane) categories.
Aeronautical Engineering A Cumulative Index To A Continuing Bibliography Supplement 325
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Author :
language : en
Publisher:
Release Date : 1995
Aeronautical Engineering A Cumulative Index To A Continuing Bibliography Supplement 325 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 categories.
Government Reports Announcements Index
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language : en
Publisher:
Release Date : 1995
Government Reports Announcements 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 1995 with Science categories.
Cfd Techniques And Thermo Mechanics Applications
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Author : Zied Driss
language : en
Publisher: Springer
Release Date : 2018-02-05
Cfd Techniques And Thermo Mechanics Applications written by Zied Driss and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-05 with Science categories.
This book focuses on CFD (Computational Fluid Dynamics) techniques and the recent developments and research works in thermo-mechanics applications. It is devoted to the publication of basic and applied studies broadly related to this area. The chapters present the development of numerical methods, computational techniques, and case studies in the thermo-mechanics applications. They offer the fundamental knowledge for using CFD in real thermo-mechanics applications and complex flow problems through new technical approaches. Also, they discuss the steps in the CFD process and provide benefits and issues when using the CFD analysis in understanding of complicated flow phenomena and its use in the design process. The best practices for reducing errors and uncertainties in CFD analysis are also discussed. The presented case studies and development approaches aim to provide the readers, such as engineers and PhD students, the fundamentals of CFD prior to embarking on any real simulation project. Additionally, engineers supporting or being supported by CFD analysts can benefit from this book.