Title: Determination of the size of the storage chamber and the charging pressure for air bags used in automotive passive restraint systems

Authors: M.A. Townsend, D.B. Cherchas

Addresses: Mechanical Engineering Department, Vanderbilt University, Nashville TN, USA. ' Mechanical Engineering Department, University of Toronto, Ontario, Canada

Abstract: This paper presents design and service charts that enable the size and pressure after inflation of an air bag in a passive restraint system to be predicted for a specified storage chamber size and charging pressure. It is shown that they are independent of the elastic properties of the bag and inflation dynamics, and that an equilibrium analysis leads to incorrect predictions.

Keywords: vehicle safety; air bag design; air bag modelling; air bag dynamics; passive restraint systems; air bag inflation dynamics; simulation; equilibrium analysis; storage chambers; air bag properties; charging pressure; air bags.

DOI: 10.1504/IJVD.1980.061358

International Journal of Vehicle Design, 1980 Vol.1 No.2, pp.143 - 150

Available online: 25 May 2014 *

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