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Technical Papers
May 2012

Transient Response of Turbocharger Turbines

Author: H. Chen, T. Cai, P. Li

The transient response of turbocharged engines is becoming critical to passenger vehicles because of the recent trend in engine downsizing and the expansion of gasoline turbocharging. Honeywell has examined the transient behavior of turbo turbines through Newton’s equation of motion and has identified a single non-dimensional variable controlling the transient. The effects of various parameters on turbine acceleration are discussed and viable options to improve engine acceleration are demonstrated.

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