Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5810
Title: Numerical simulation of air-he shock tube flow with equilibrium air model
Authors: Chen, H
Wen, CY 
Yang, CK
Keywords: Curve fitting
Flow simulation
Flow visualization
Gases
Multiphase flow
Navier Stokes equations
Tubes (components)
Turbulence models
Issue Date: Sep-2012
Publisher: American Institute of Aeronautics and Astronautics
Source: AIAA journal, Sept. 2012, v. 50, no. 9, p. 1817-1825 How to cite?
Journal: AIAA journal 
Abstract: In this study, a compressible multicomponent Navier-Stokes flow solver with real gas effect is developed for studying the high-speed flow in an air-He shock tube. For compressible multicomponent flow simulation, a reduced five-equation model in conjunction with the Harten-Lax-van Leer scheme for contact surface approximate Riemann solver is employed. For the real gas effect, a curve-fitting approximation for equilibrium air constructed from Grabau-type transition functions is adopted. In addition, the Baldwin-Lomax turbulence model is used for turbulent flow simulation. In this work, several typical test cases will be demonstrated first. Subsequently, air-He shock tube simulations with the real gas effect will be performed by using parallel computation. Based on the present results, the real gas effect shows significant influence on the temperature behind the reflected shock. In addition, the driver gas contamination and the development of shock bifurcation are presented by flow visualization.
URI: http://hdl.handle.net/10397/5810
ISSN: 0001-1452
EISSN: 1533-385X
DOI: 10.2514/1.J051129
Rights: Copyright © 2012 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.
The following article "Chen, H., Wen, C.-., & Yang, C.-. (2012). Numerical simulation of air-he shock tube flow with equilibrium air model. AIAA Journal, 50 (9), 1817-1825." is available at http://dx.doi.org/10.2514/1.J051129
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