Guy Nusholtz, Deguan Wang, E. Benjamin Wylie, "Air Bag Momentum Force Including Aspiration", Shock and Vibration, vol. 2, Article ID 152058, 11 pages, 1995. https://doi.org/10.3233/SAV-1995-2201
Air Bag Momentum Force Including Aspiration
A gas-jet momentum force drives the air bag into position during a crash. The magnitude of this force can change as a result of aspiration. To determine the potential magnitude of the effect on the momentum force and mass flow rate in an aspirated system, a series of experiments and simulations of those experiments was conducted. The simulation consists of a two-dimensional unsteady isentropic CFD model with special “infinite boundaries”. One of the difficulties in simulating the gas-jet behavior is determining the mass flow rate. To improve the reliability of the mass flow rate input to the simulation, a sampling procedure involving multiple tests was used, and an average of the tests was adopted.
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