Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections

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Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections

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Author : Karen R. Heavey
language : en
Publisher:
Release Date : 2005

Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections written by Karen R. Heavey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Computational fluid dynamics categories.

This report describes a computational study undertaken to investigate the performance of the CFD++ flow solver for prediction of nonlinear aerodynamics of a complex finned missile using structured hexahedral and unstructured tetrahedral grids. A monoplane fixed-wing missile with elliptic cross sections provided a geometrically complex model. Numerical solutions were obtained for this configuration at supersonic speed for various roll orientations, angles of attack, and jaw angles. Steady-state solutions were obtained using a three-dimensional Reynolds-Averaged Navier-Stokes solver with a two-equation turbulence model. Numerical results show the qualitative features of the flow fields at various cross-sectional and streamwise positions along the computational model of the missile. Aerodynamic coefficients were extracted from the computed solutions and found to match well with the available experimental data for these configurations. These numerical results show the effectiveness of using computational fluid dynamics techniques to produce an accurate prediction of the aerodynamics of geometrically complete configurations.

Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections

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Author : Karen R. Heavey
language : en
Publisher:
Release Date : 2005

Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections written by Karen R. Heavey 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.

Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections

DOWNLOAD
Author : Karen R. Heavey
language : en
Publisher:
Release Date : 2005

Application Of Computational Fluid Dynamics To A Monoplane Fixed Wing Missile With Elliptic Cross Sections written by Karen R. Heavey 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.

Monthly Catalogue United States Public Documents

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Author :
language : en
Publisher:
Release Date : 1984

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 1984 with Government publications categories.

Monthly Catalog Of United States Government Publications

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Author :
language : en
Publisher:
Release Date : 1984

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 1984 with Government publications categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1983

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 1983 with Aeronautics categories.

Government Reports Announcements Index

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Author :
language : en
Publisher:
Release Date : 1984-02

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 1984-02 with Science categories.

Body Surface Pressure Data On Two Monoplane Wing Missile Configurations With Elliptical Cross Sections At Mach 2 50

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Author : Jerry M. Allen
language : en
Publisher:
Release Date : 1983

Body Surface Pressure Data On Two Monoplane Wing Missile Configurations With Elliptical Cross Sections At Mach 2 50 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 1983 with Guided missiles categories.

Numerical Computations Of Supersonic Flow Over A Square Cross Section Missile

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Author :
language : en
Publisher:
Release Date : 2005

Numerical Computations Of Supersonic Flow Over A Square Cross Section Missile 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 categories.

This report describes a computational study undertaken to determine the aerodynamics of a nonaxisymmetric missile with a square cross section. Numerical solutions have been obtained at supersonic speeds for various roll orientations and angles of attack using a two-equation Reynolds-averaged Navier-Stokes turbulence model. Numerical results show the qualitative features (vortices and cross-flow separation regions) of the flow field at various stream wise positions along the missile configurations. Aerodynamic coefficients have been obtained from the computed solutions and found to match well with the available experimental data for these configurations. These numerical results show the ability of computational fluid dynamics techniques to accurately predict the aerodynamics of nonaxisymmetric missiles with a square cross section.

Computational Fluid Dynamic Cfd Analysis Of A Generic Missile With Grid Fins

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Author : James DeSpirito
language : en
Publisher:
Release Date : 2000

Computational Fluid Dynamic Cfd Analysis Of A Generic Missile With Grid Fins 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 2000 with Computational fluid dynamics categories.

This report presents the results of a study demonstrating an approach for using viscous computational fluid dynamic simulations to calculate the flow field and aerodynamic coefficients for a missile with grid fin. A grid fin is an unconventional lifting and control surface that consists of an outer frame supporting an inner grid of intersecting planar surfaces of small chord. The calculations were made at a Mach number of 2.5 and several angles of attack for a missile without fins, with planar fms, and with grid fins. The results were validated by comparing the computed aerodynamic coefficients for the missile and individual grid fins against wind tunnel measurement data. Very good agreement with the measured data was observed for all configurations investigated. For the grid fin case, the aerodynamic coefficients were within 2.8-6.5% of the wind tunnel data. The normal force coefficients on the individual grid fins were within 11% of the test data. The simulations were also successful in calculating the flow structure around the fin in the separated-flow region at the higher angles of attack. This was evident in the successful calculation of the nonlinear behavior for that fin, which showed negative normal force at the higher angles of attack. The effective angle of attack is negative on either part of or all of the top grid fin for the higher angles of attack.