Thermodynamic Model for Cold Water Survival

[+] Author and Article Information
W. G. Van Dorn

Scripps Institution of Oceanography, University of California, San Diego, 13652 Mercado Dr., Del Mar, CA 92014e-mail: wvandorn@ucsd.edu

J Biomech Eng 122(5), 541-544 (Feb 28, 2000) (4 pages) doi:10.1115/1.1289994 History: Received April 20, 1999; Revised February 28, 2000
Copyright © 2000 by ASME
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Grahic Jump Location
Reproduction of Molnar’s Chart I 2: Duration of shipwreck survivors in ocean waters of diverse temperatures; dashed curve is a plot of Eq. (1) from 4.
Grahic Jump Location
Widely circulated representation of Hayward’s 6 passive cooling model. Heavy curve is same as dashed curve in Fig. 1. Shaded band is estimated area of uncertainty (see text).
Grahic Jump Location
Proposed survival model. Curves were computed from Eq. (3) for 6 mm increments of body fat=2 mm neoprene foam, any combination of which can be combined to give total whole-body insulation. Although intended for passive survival, curves also provide reasonable estimates for onset of hypothermia among expert swimmers.




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