Browse Publications Technical Papers 2001-01-1238
2001-03-05

Predictions of On-Engine Efficiency for the Radial Turbine of a Pulse Turbocharged Engine 2001-01-1238

Modern pulse-turbocharged systems produce a turbine operating environment that is dominated by unsteady flow. Effective utilization of the unsteady exhaust gas energy content at the turbine inlet is critical to achieving optimum system efficiency. This work presents predictions for turbocharger unsteady performance from a model based on the Euler equations with source terms (EEST). This approach allows the time-accurate performance of the turbine to be determined, allowing comparisons of actual energy utilization and that estimated from steady flow performance maps.

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