Navier Stokes Predictions Of Dynamic Stability Derivatives
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Navier Stokes Predictions Of Dynamic Stability Derivatives
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Author : James DeSpirito
language : en
Publisher:
Release Date : 2008
Navier Stokes Predictions Of Dynamic Stability Derivatives written by James DeSpirito and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Computational fluid dynamics categories.
The prediction of the dynamic stability derivatives-roll-damping, Magnus, and pitch-damping moments-were evaluated for three spin-stabilized projectiles using steady-state computational fluid dynamic (CFD) calculations. Roll-damping CFD predictions were found to be very good across the Mach number range investigated. Magnus moment predictions were very good in the supersonic flight regime; however, the accuracy varied in the subsonic and transonic flight regime. The best Magnus moment prediction in the subsonic flight regime was for the square-base projectile that did not exhibit highly nonlinear Magnus moments. A primary contribution of this report is the demonstration that the pitch-damping moment can be adequately predicted via steady-state methods rather than resorting to unsteady techniques. The predicted pitch-damping moment compared very well to experimental data for the three projectiles investigated. For one configuration, the pitch-damping moment was predicted by several CFD codes, two different steady-state methods, and a time-accurate planar pitching motion method. All methods compared very well to each other and to the experimental data.
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Author :
language : en
Publisher:
Release Date : 1975
written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Laser beams categories.
Vehicle Mechatronics And Information Technologies
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Author : X.D. Yu
language : en
Publisher: Trans Tech Publications Ltd
Release Date : 2013-08-30
Vehicle Mechatronics And Information Technologies written by X.D. Yu and has been published by Trans Tech Publications Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-30 with Technology & Engineering categories.
Selected, peer reviewed papers from the 2013 International Conference on Vehicle & Mechanical Engineering and Information Technology (VMEIT 2013), August 17-18, 2013, Zhengzhou, Henan, China
Mechanics And Mechanical Engineering Proceedings Of The 2015 International Conference Mme2015
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Author : Maosen Cao
language : en
Publisher: World Scientific
Release Date : 2016-07-14
Mechanics And Mechanical Engineering Proceedings Of The 2015 International Conference Mme2015 written by Maosen Cao and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-14 with Technology & Engineering categories.
This proceedings consists of 162 selected papers presented at the 2nd Annual International Conference on Mechanics and Mechanical Engineering (MME2015), which was successfully held in Chengdu, China between December 25-27, 2015.MME2015 is one of the key international conferences in the fields of mechanics, mechanical engineering. It offers a great opportunity to bring together researchers and scholars around the globe to deliver the latest innovative research and the most recent developments in the field of Mechanics and Mechanical Engineering.MME2015 received over 400 submissions from about 600 laboratories, colleges and famous institutes. All the submissions have undergone double blind reviewed to assure the quality, reliability and validity of the results presented. These papers are arranged into 6 main chapters according to their research fields. These are: 1) Applied Mechanics 2) Mechanical Engineering and Manufacturing Technology 3) Material Science and Material Engineering 4) Automation and Control Engineering 5) Electrical Engineering 6) System Modelling and Simulation.This proceedings will be invaluable to academics and professionals interested in Mechanics and Mechanical Engineering.
Aiaa Journal
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Author : American Institute of Aeronautics and Astronautics
language : en
Publisher:
Release Date : 2007
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 2007 with Aeronautics categories.
Selected Aerothermodynamic Design Problems Of Hypersonic Flight Vehicles
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Author : Ernst Heinrich Hirschel
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-11-26
Selected Aerothermodynamic Design Problems Of Hypersonic Flight Vehicles written by Ernst Heinrich Hirschel 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 2009-11-26 with Technology & Engineering categories.
In this book selected aerothermodynamic design problems in hypersonic vehicles are treated. Where applicable, it emphasizes the fact that outer surfaces of hypersonic vehicles primarily are radiation-cooled, an interdisciplinary topic with many implications.
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.
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.
Using Computational Fluid Dynamics Rigid Body Dynamic Cfd Rbd Results To Generate Aerodynamic Models For Projectile Flight Simulation
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Author : Mark Costello
language : en
Publisher:
Release Date : 2007
Using Computational Fluid Dynamics Rigid Body Dynamic Cfd Rbd Results To Generate Aerodynamic Models For Projectile Flight Simulation written by Mark Costello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Airplanes categories.
"A method to efficiently generate a complete aerodynamic description for projectile flight dynamic modeling is described. At the core of the method is an unsteady, time-accurate computational fluid dynamics simulation that is tightly coupled to a rigid projectile flight dynamic simulation. A set of short time snippets of simulated projectile motion at different Mach numbers is computed and employed as baseline data. For each time snippet, aerodynamic forces and moments and the full rigid body state vector of the projectile are known. With time-synchronized air loads and state vector information, aerodynamic coefficients can be estimated with a simple fitting procedure. By inspecting the condition number of the fitting matrix, we can assess the suitability of the time history data to predict a selected set of aerodynamic coefficients. The technique is exercised on an exemplar fin-stabilized projectile with good results."--Report documentation page.
L A Rodynamique Des Missiles
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Author : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel. Symposium
language : en
Publisher:
Release Date : 1990
L A Rodynamique Des Missiles written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Fluid Dynamics Panel. Symposium 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 categories.
The Fluid Dynamics Panel of AGARD organised this Symposium on Missile Aerodynamics to (i) review current progress and achievements, (ii) highlight outstanding problems and (iii) establish pointers for planning future research programmes. The Symposium addressed many aspects of the aerodyanmic design and performance of missiles for the subsonic through to the hypdrsonic flight regimes and reviews were included covering the stability and control of tactical missiles and the progress made in the field of store carriage and release. 31 papers were presented in seven sessions with contributionss from Canada, France, Germany, Turkey, United Kingdom and United States. Topics considered in the Symposium are: computational methods and validation, empirical tools and experimental techniques, flow separation and interference effects, unconventional shapes and projectiles, porpulsion and base flows, aerothermodynamics and hypersonices. The volume includes all the unclassified papers presented at the Sympsium together with a transcript of the discussion which took place at the conclusion of the meeting.