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|Title:||Effect of guide rail on the motion and acceleration of a free- fall lifeboat|
|Authors:||Khondoker, M Reaz H|
Khalil, Gazi Md
|Abstract:||The aim of this paper is to study the effect of guide rail on the motion and acceleration of a free-fall lifeboat. Since the effect of friction between guide rail and launch skid on its behaviour is insignificant, only those attributed to the changes in the guide rail length are discussed here. From the numerical simulation, trajectories of the falling lifeboat have been computed for different values of guide rail length and time histories of accelerations in different positions and directions are obtained for the same falling conditions. Moreover, relationship among quantitative values of skid length and fall height has been established based on the horizontal velocity at water exit of the lifeboat. It is seen that guide rail length has considerable effect on the motion and acceleration of a free-fall lifeboat.|
|ISSN:||0975-1017 (Online); 0971-4588 (Print)|
|Appears in Collections:||IJEMS Vol.05(2) [April 1998]|
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