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A Meanline Prediction Method for Radial Turbine Efficiency
Published November 03, 1998 by Institution of Mechanical Engineers in United Kingdom
A meanline loss system is described that is capable of predicting the efficiency of radial turbine stages at both on- and off-design conditions. The system is based on the well-known approach introduced by NASA in the 1960s, but includes many developments and refinements which arise from a physical understanding of the turbine rotor flow processes. The model has been tested against a database of thirty turbine tests covering a wide range of configurations and geometries.