Type of Document	Master's Thesis
Author	Garrett, Joseph Lee
URN	etd-09082012-040110
Title	A comparison of flux-splitting algorithms for the Euler equations with equilibrium air chemistry
Degree	Master of Science
Department	Aerospace Engineering
Advisory Committee	Advisor Name Title Grossman, Bernard M. Committee Chair Schetz, Joseph A. Committee Member Walters, Robert W. Committee Member
Keywords	Aerodynamics Hypersonic
Date of Defense	1989-01-05
Availability	restricted
Abstract The use of flux-splitting techniques on the Euler equations is considered for high Mach number, high temperature flows in which the fluid is assumed to be inviscid air in equilibrium. Three different versions of real gas extensions to the Steger—Warming and Van Leer flux-vector splitting, and four different versions of real gas extensions to the Roe flux-difference splitting, are compared with regard to general applicability and ease of implementation in existing perfect gas g algorithms. Test computations are performed for the M = 5, high temperature flow over a 10-degree wedge and the M = 24.5 flow over a blunt body. Although there were minor differences between the computed results for the three types of flux-splitting algorithms considered, little variation is observed between different versions of the same algorithm.
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