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RESEARCH PAPERS

Parameters Affecting the Postshock Wave Relaxation Zone in an Oxygen Carbon Particle Suspension

[+] Author and Article Information
O. Igra, G. Ben-Dor, I. Elperin

Pearlstone Center for Aeronautical Engineering Studies, Ben-Gurion University of the Negev, Department of Mechanical Engineering, Beer Sheva, Israel

J. Fluids Eng 108(3), 360-365 (Sep 01, 1986) (6 pages) doi:10.1115/1.3242587 History: Received September 24, 1984; Online October 26, 2009

Abstract

A parametric study was conducted regarding the effects of the initial carbon concentration, the initial carbon particle diameter, the shock wave Mach number and the preshock suspension pressure on the suspension behavior in the relaxation zone. The suspension was composed of oxygen gas seeded with small carbon particles. It was found that changing either the initial carbon concentration or the shock wave Mach number has a marked effect on the suspension behavior in the relaxation zone and on the eventually reached postshock equilibrium state. Changes in the initial carbon particle diameter (at a constant shock wave Mach number and carbon concentration) has no effect on the postshock equilibrium state, but it does affect the way in which the suspension reaches this equilibrium state. Changes in the preshock suspension pressure has only minor effects on the suspension behavior in the relaxation zone.

Copyright © 1986 by ASME
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