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RESEARCH PAPERS

Effects of CG Location on the Launch Behavior of Free-Fall Lifeboats

[+] Author and Article Information
J. K. Nelson

Clemson University, Master of Engineering Program, P.O. Box 12099, Charleston, SC 29422-2099

D. J. Fallon

Department of Civil Engineering, The Citadel, Charleston, SC 29409

T. J. Hirsch

Civil Engineering Department, Texas A&M University, College Station, TX 77843

J. Offshore Mech. Arct. Eng 117(2), 133-136 (May 01, 1995) (4 pages) doi:10.1115/1.2827063 History: Received June 22, 1992; Revised May 24, 1994; Online December 17, 2007

Abstract

The free-fall lifeboat was developed to reduce the risk of injury during evacuation in a maritime emergency. It is a generally accepted concept for lifesaving appliances that currently is in use on many ships and offshore platforms. Three concerns during launch of these lifeboats are the attitude of the boat at water entry, the headway immediately after water entry, and the acceleration forces to which the occupants are subjected. Limited quantitative data is available about the behavior of the boats during launch and, in particular, on the effects of mass distribution on the launch behavior of free-fall lifeboats. The purpose of this paper is to discuss quantitatively the launch behavior of free-fall lifeboats, with particular emphasis on the effects of changes in the location of the CG.

Copyright © 1995 by The American Society of Mechanical Engineers
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