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RESEARCH PAPERS

Real Gas Effects for Compressible Nozzle Flows

[+] Author and Article Information
D. Drikakis, S. Tsangaris

Department of Mechanical Engineering, National Technical University of Athens, Athens, Greece

J. Fluids Eng 115(1), 115-120 (Mar 01, 1993) (6 pages) doi:10.1115/1.2910092 History: Received March 30, 1991; Online May 23, 2008

Abstract

Numerical simulation of compressible nozzle flows of real gas with or without the addition of heat is presented. A generalized real gas method, using an upwind scheme and curvilinear coordinates, is applied to solve the unsteady compressible Euler equations in axisymmetric form. The present method is an extension of a previous 2D method, which was developed to solve the problem for a gas having the general equation of state in the form p = p(ρ, i). In the present work the method is generalized for an arbitrary P-V-T equation of state introducing an iterative procedure for the determination of the temperature from the specific internal energy and the flow variables. The solution procedure is applied for the study of real gas effects in an axisymmetric nozzle flow.

Copyright © 1993 by The American Society of Mechanical Engineers
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