Nonideal Isentropic Gas Flow Through Converging-Diverging Nozzles

[+] Author and Article Information
W. Bober, W. L. Chow

Department of Mechanical Engineering, Florida Atlantic University, Boca Raton, FL 33431

J. Fluids Eng 112(4), 455-460 (Dec 01, 1990) (6 pages) doi:10.1115/1.2909425 History: Received May 23, 1989; Online May 23, 2008


A method for treating nonideal gas flows through converging-diverging nozzles is described. The method incorporates the Redlich-Kwong equation of state. The Runge-Kutta method is used to obtain a solution. Numerical results were obtained for methane gas. Typical plots of pressure, temperature, and area ratios as functions of Mach number are given. From the plots, it can be seen that there exists a range of reservoir conditions that require the gas to be treated as nonideal if an accurate solution is to be obtained.

Copyright © 1990 by The American Society of Mechanical Engineers
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