Improvements In Pitch Damping For The Aeroprediction Code With Particular Emphasis On Flare Configurations
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Improvements In Pitch Damping For The Aeroprediction Code With Particular Emphasis On Flare Configurations
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Author : Frankie Gale Moore
language : en
Publisher:
Release Date : 2000
Improvements In Pitch Damping For The Aeroprediction Code With Particular Emphasis On Flare Configurations written by Frankie Gale Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Aerodynamics categories.
New capability has been added to the NSWC aeroprediction code to allow aerodynamics to be predicted for Mach numbers up to 20 for configurations with flares. This new capability includes extending the static aerodynamic predictions for Mach numbers less than 1.2, improving the body alone pitch damping for Mach numbers above 2.0, and developing a new capability for pitch damping of flared configurations at Mach numbers up to 20. This new capability for flared configurations was validated for several different configurations in the Mach number range of 2 to 8.8. In general, pitch damping predictions of the improved capability was within 20 percent of either experimental data or computational fluid dynamics calculations. This accuracy level is believed to be quite adequate for dynamic derivatives in the preliminary design stage. These new additions to the aeroprediction code will be transitioned to users as part of the 2002 version of the code (APO2).
Dossier Constitu Par Des Extraits De Lettres De Pr Tres
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Author :
language : en
Publisher:
Release Date :
Dossier Constitu Par Des Extraits De Lettres De Pr Tres 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 categories.
The 2002 Version Of The Aeroprediction Code
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Author : Frankie Gale Moore
language : en
Publisher:
Release Date : 2002
The 2002 Version Of The Aeroprediction Code written by Frankie Gale Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Aerodynamics categories.
A new version of the aeroprediction code (APC), the AP02, has been developed to address the requirements arising from advanced weapon concepts. The AP02 was formed by adding significant new technology and several productivity improvements to the previous version of the APC, the AP98. New technology added included 6 and 8 fin aerodynamics, improved nonlinear aerodynamics, improved pitch damping predictions, improved power-on base drag estimates, base-bleed effect on base drag estimation, improved axial force of nonaxisymmetric bodies and trailing-edge flap capability. Other improvements and productivity enhancements include an aerodynamic smoother, ballistic and three degree-of-freedom simulation modules as well as refinements for the pre- and post-processor for inputs and outputs of the AP02. Comparison of the predicted aerodynamics of the AP02 to AP98 and experimental data showed the AP02 to be slightly better than the AP98 in most cases that both codes would handle. However, due to the additional new technology incorporated into the AP02, many new options are available in the AP02 that are not available in the AP98. Therefore, the AP02 is more robust and, on average, is slightly more accurate than the AP98 in predicting aerodynamics of weapons.
Parametric Fin Body And Fin Plate Database For A Series Of 12 Missile Fins
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Author : Jerry M. Allen
language : en
Publisher:
Release Date : 2001
Parametric Fin Body And Fin Plate Database For A Series Of 12 Missile Fins written by Jerry M. Allen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Aerodynamic measurements categories.
A cooperative experimental investigation has been performed to obtain a systematic fin-body and fin-plate database for series of 12 missile fins. These data are intended to complement and extend the information contained in the Triservice missile project and to provide a systematic set of experimental data from which fin-body interference factors can be derived. Data were obtained with the fins mounted on both an axisymmetric body and on a flat plate that was used to simulate fin-alone measurements. The experiments were conducted at Mach numbers from 0.60 to 3.95; fin deflection angles of 0°, 10° , and -10° ; and angles of attack up to 30° on the body and up to 95° on the flat plate. The data were obtained from three-component balances attached to the fins and a six-component balance located in the axisymmetric body. The data obtained in this project are documented in tabular form in this report. In addition, selected data are presented in graphical form to illustrate the effects of the test variables.
39th Aiaa Aerospace Sciences Meeting And Exhibit
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Author :
language : en
Publisher:
Release Date : 2001
39th Aiaa Aerospace Sciences Meeting And Exhibit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Aeronautics categories.
Nswc Tr
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Author : Naval Surface Weapons Center
language : en
Publisher:
Release Date : 1979
Nswc Tr written by Naval Surface Weapons Center and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Naval research categories.
Aiaa 82 0250 Aiaa 82 0300
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Author :
language : en
Publisher:
Release Date : 1982
Aiaa 82 0250 Aiaa 82 0300 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Aeronautics categories.
The President S Strategic Defense Initiative
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Author :
language : en
Publisher:
Release Date : 1985
The President S Strategic Defense Initiative written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Air defenses categories.
Turbulent Shear Layers In Supersonic Flow
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Author : Alexander J. Smits
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-05-11
Turbulent Shear Layers In Supersonic Flow written by Alexander J. Smits 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 2006-05-11 with Science categories.
A good understanding of turbulent compressible flows is essential to the design and operation of high-speed vehicles. Such flows occur, for example, in the external flow over the surfaces of supersonic aircraft, and in the internal flow through the engines. Our ability to predict the aerodynamic lift, drag, propulsion and maneuverability of high-speed vehicles is crucially dependent on our knowledge of turbulent shear layers, and our understanding of their behavior in the presence of shock waves and regions of changing pressure. Turbulent Shear Layers in Supersonic Flow provides a comprehensive introduction to the field, and helps provide a basis for future work in this area. Wherever possible we use the available experimental work, and the results from numerical simulations to illustrate and develop a physical understanding of turbulent compressible flows.
Modern Exterior Ballistics
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Author : Robert McCoy
language : en
Publisher: Schiffer Military History
Release Date : 1999
Modern Exterior Ballistics written by Robert McCoy and has been published by Schiffer Military History this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Ballistics, Exterior categories.
This text covers the basic free flight dynamics of symmetric projectiles. It provides a historical perspective of early developments in the 19th century, the technology leading to World War I and that through World War II into the modern post-war era. Historical topics include the first ballistic fi