Computational Analysis of Hypersonic Flow Field Over Re-Entry Bodies

Santosh, K and Shivaprasad, U and Srinivas, G and Manikandan, M (2012) Computational Analysis of Hypersonic Flow Field Over Re-Entry Bodies. International Journal of Systems, Algorithms & Applications, 2. pp. 36-38. ISSN 2277-2677

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The main objective of this paper is to conduct computational analysis of a typical re-entry vehicles. Computational fluid dynamics is used to obtain the flow field that develops around reentry capsules – flare shape in hypersonic flow. This problem is of particular interest since it features most of the aspects of the hypersonic flow around a planetary entry vehicle. The region between the cone and the flare is particularly critical with respect to the evaluation of the surface parameters. Flow separation induced by the shock wave / boundary layer interaction, with subsequent flow reattachment, that can dramatically enhance the surface heat transfer. The exact determination of the extension of the recirculation zone is particularly a difficult task for numerical simulation. The analysis is carried out for turbulent flow and standard flow properties available for Re-entry capsules in the literature using full Navier-Stokes solver for different Mach numbers. The study is carried out using the commercial CFD code. The computational analysis of Re-entry bodies involving relative enthalpy, wall fluxes, wall shear stress, and pressure coefficient at various locations of the capsules are presented.

Item Type: Article
Uncontrolled Keywords: Hypersonic, Re-entry, wall fluxes, pressure coefficients
Subjects: Engineering > MIT Manipal > Aeronautical and Automobile
Depositing User: MIT Library
Date Deposited: 16 Dec 2015 14:28
Last Modified: 16 Dec 2015 14:28

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