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Air Bag Aspiration Simulation
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English
Abstract
The analysis of air aspiration during air-bag inflator discharge has not been presented in the literature. This paper presents a numerical model to analyze inflator discharge to an open domain, and includes the effect of a canister perforated with holes to permit air intake to the jet flow. Experimental results are presented for comparison. Computational results show that as much as 20% of the gas mixture for air-bag inflation may come from free air aspiration.
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Nusholtz, G., Wylie, E., and Wang, D., "Air Bag Aspiration Simulation," SAE Technical Paper 960499, 1996, https://doi.org/10.4271/960499.Also In
Occupant Protection Technologies for Frontal Impact: Current Needs and Expectations for the 21st Century
Number: SP-1144; Published: 1996-02-01
Number: SP-1144; Published: 1996-02-01
References
- Nusholtz G. Wang D. G. Wylie E. B. “Simulation of Air-bag Deployment Gas Flow,” ASME Winter Annual Meeting, AMD-Vol. 169/BED - 25 1993 243 253
- Wang D. G. Wylie E. B. “Unsteady 2-D Compressible Flow in Unbounded Domain,” Jour. of Fluid Engineering, ASME 117 1995
- Wang D.G. Wylie E. B. “Two-Dimensional Unsteady Compressible Flow Model,” ASME, Forum on Unsteady Flows, FED-Vol 157, Washington, DC 1993 119 127
- Wylie E.B. “Linearized Two-Dimensional Transients,” Jour. of Fluids Engineering, ASME 106 1984 227 232