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Aerospace 2016, 3(4), 45; doi:10.3390/aerospace3040045

A Two-Temperature Open-Source CFD Model for Hypersonic Reacting Flows, Part Two: Multi-Dimensional Analysis †

1
James Weir Fluids Laboratory, University of Strathclyde, Glasgow G1 1XJ, UK
2
Centre for Future Air-Space Transportation Technology, University of Strathclyde, Glasgow G1 1XJ, UK
This paper is an extended version of our paper published in Casseau, V.; Scanlon, T.J.; John, B.; Emerson, D.R.; Brown, R.E. Hypersonic simulations using open-source CFD and DSMC solvers. In DSMC and Related Simulations, Proceedings of the 30th International Symposium on Rarefied Gas Dynamics, Victoria, BC, Canada, 10–15 July 2016; Ketsdever, A.; Struchtrup, H., Eds.; AIP Publishing, Melville, NY, USA; Volume 1786, 050006.[...]
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Konstantinos Kontis and Mário M. G. Costa
Received: 30 September 2016 / Revised: 25 November 2016 / Accepted: 8 December 2016 / Published: 14 December 2016
(This article belongs to the Special Issue State-of-the-Art Aerospace Sciences and Technologies in Europe)
View Full-Text   |   Download PDF [2676 KB, uploaded 14 December 2016]   |  

Abstract

hy2Foam is a newly-coded open-source two-temperature computational fluid dynamics (CFD) solver that has previously been validated for zero-dimensional test cases. It aims at (1) giving open-source access to a state-of-the-art hypersonic CFD solver to students and researchers; and (2) providing a foundation for a future hybrid CFD-DSMC (direct simulation Monte Carlo) code within the OpenFOAM framework. This paper focuses on the multi-dimensional verification of hy2Foam and firstly describes the different models implemented. In conjunction with employing the coupled vibration-dissociation-vibration (CVDV) chemistry–vibration model, novel use is made of the quantum-kinetic (QK) rates in a CFD solver. hy2Foam has been shown to produce results in good agreement with previously published data for a Mach 11 nitrogen flow over a blunted cone and with the dsmcFoam code for a Mach 20 cylinder flow for a binary reacting mixture. This latter case scenario provides a useful basis for other codes to compare against. View Full-Text
Keywords: hypersonics; computational fluid dynamics; two-temperature solver; OpenFOAM; verification; direct simulation Monte Carlo hypersonics; computational fluid dynamics; two-temperature solver; OpenFOAM; verification; direct simulation Monte Carlo
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Casseau, V.; Espinoza, D.E.R.; Scanlon, T.J.; Brown, R.E. A Two-Temperature Open-Source CFD Model for Hypersonic Reacting Flows, Part Two: Multi-Dimensional Analysis †. Aerospace 2016, 3, 45.

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