Detonation Cell Widths in Hydrogen/Oxygen/Diluent Mixtures at Low Initial Pressures

[+] Author and Article Information
R. K. Kumar, W. A. Dewit

AECL Research, Whiteshell Laboratories, Pinawa, Manitoba, Canada R0E 1L0

J. Energy Resour. Technol 117(1), 13-17 (Mar 01, 1995) (5 pages) doi:10.1115/1.2835313 History: Received September 15, 1993; Revised December 01, 1994; Online January 22, 2008


Detonation cell widths of hydrogen/oxygen/helium/steam mixtures were determined in 15 and 30-cm internal-diameter pipes using the smoked-foil technique. The investigations were carried out over a range of initial pressures from 13.3 to 106.6 kPa and at an initial temperature of 105°C. The concentration range investigated included hydrogen concentrations from 10 to 40 percent and steam concentrations of up to 20 percent. The measured cell widths range from about 1 mm to over 100 mm and were in good agreement with those estimated using the calculated values of induction times and post-shock gas velocities.

Copyright © 1995 by The American Society of Mechanical Engineers
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