A Thermodynamic Analysis of the Lean Flammability Limits of Fuel-Diluent Mixtures in Air

[+] Author and Article Information
I. Wierzba, S. O. Bade Shrestha, G. A. Karim

Department of Mechanical Engineering, University of Calgary, Calgary, Alberta, Canada T2N 1N4

J. Energy Resour. Technol 116(3), 181-185 (Sep 01, 1994) (5 pages) doi:10.1115/1.2906441 History: Received May 01, 1993; Revised February 10, 1994; Online April 16, 2008


A procedure is described for calculating the lean flammability limits of fuel-diluent mixtures in air over a wide range of fuel-diluent combinations and for different initial mixture temperatures. Good agreement is shown to exist between the predicted values of the limits with the corresponding experimental values for some common gaseous fuels that include CH4 , C2 H6 , C2 H4 , C3 H8 , C4 H10 , H2 , and CO and the diluents CO2 , N2 , He, and Ar over the temperature range of −60°C up to 400°C.

Copyright © 1994 by The American Society of Mechanical Engineers
Topics: Fuels , Mixtures , Diluents
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