RESEARCH PAPERS: Papers From Symposium on Three-Dimensional Flow in Turbomachines

Losses in Radial Inflow Turbines

[+] Author and Article Information
I. M. Khalil, W. Tabakoff, A. Hamed

Department of Aerospace Engineering, University of Cincinnati, Cincinnati, Ohio

J. Fluids Eng 98(3), 364-371 (Sep 01, 1976) (8 pages) doi:10.1115/1.3448323 History: Received January 05, 1976; Online October 12, 2010


A study was conducted to determine experimentally and theoretically the losses in radial inflow turbine nozzles. Extensive experimental data were obtained to investigate the flow behavior in a full-scale radial turbine stator annulus. A theoretical model to predict the losses in both the vaned and vaneless regions of the nozzle was developed. In this analysis, the interaction effects between the stator and the rotor are not considered. It was found that the losses incurred due to the end wall boundary layers can be significant, especially if they are characterized by a strong crossflow. The losses estimated using the analytical study are compared with the experimentally determined values.

Copyright © 1976 by ASME
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