A Finite Element Model of Skin Subjected to a Flash Fire

[+] Author and Article Information
D. A. Torvi

University of Alberta, Edmonton, Alberta, Canada T6G 2G8

J. D. Dale

Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G8

J Biomech Eng 116(3), 250-255 (Aug 01, 1994) (6 pages) doi:10.1115/1.2895727 History: Received November 16, 1992; Revised September 23, 1993; Online March 17, 2008


A variable property, multiple layer finite element model was developed to predict skin temperatures and times to second and third degree burns under simulated flash fire conditions. A sensitivity study of burn predictions to variations in thermal physical properties of skin was undertaken using this model. It was found that variations in these properties over the ranges used in multiple layer skin models had minimal effects on second degree burn predictions, but large effects on third degree burn predictions. It was also found that the blood perfusion source term in Pennes’ bioheat transfer equation could be neglected in predicting second and third degree burns due to flash fires. The predictions from this model were also compared with those from the closed form solution of this equation, which has been used in the literature for making burn predictions from accidents similar to flash fires.

Copyright © 1994 by The American Society of Mechanical Engineers
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