Numerical simulation of fairing separation test for hypersonic air breathing vehicle

Fairings are provided to cover hypersonic air breathing vehicle to protect it from adverse aerodynamic loading and kinetic heating. Separation dynamics of fairings is an important event in the launch of vehicle. Extensive computational fluid dynamics simulations are carried out for the design of fai...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part G, Journal of aerospace engineering Journal of aerospace engineering, 2017-02, Vol.231 (2), p.319-325
Main Authors: Raj, Ankit, Anandhanarayanan, K, Krishnamurthy, R, Chakraborty, Debasis
Format: Article
Language:English
Subjects:
Aerodynamic loads
Aircraft components
Computer simulation
Fairings
Separation
Structural integrity
Trajectories
Vehicles
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Summary:Fairings are provided to cover hypersonic air breathing vehicle to protect it from adverse aerodynamic loading and kinetic heating. Separation dynamics of fairings is an important event in the launch of vehicle. Extensive computational fluid dynamics simulations are carried out for the design of fairings and vehicle and selection of time sequences of various separation events. A ground test of fairing separation is conducted in the sled facility to check the structural integrity and functionality of various separation mechanisms and flight hardware. Simulations have been carried out to study the separation dynamics of fairings at test conditions using grid-free Euler solver to get the aerodynamic loads and the loads are integrated to get the trajectory of fairings. The aerodynamic loads are provided to verify the structural integrity of various components and the trajectory of panels is used in the test planning. The pressure distributions on the vehicle are compared with the test results.
ISSN:0954-4100
2041-3025
DOI:10.1177/0954410016636911