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RESEARCH PAPERS

Ice Accretion on a Radial Inflow Turbine Blade

[+] Author and Article Information
H. Hefazi, K. Kaups

Aerospace Engineering Department, California State University, Long Beach, Long Beach, CA 90840-8304

R. Murry

Allied Signal Inc., Aerospace Systems and Equipment, Torrance, CA 90504-6094

J. Turbomach 118(3), 606-612 (Jul 01, 1996) (7 pages) doi:10.1115/1.2836708 History: Received October 01, 1994; Online January 29, 2008

Abstract

A computational method for predicting ice accumulation on a radial inflow turbine blade has been developed. The method includes particle trajectory calculations based on a flow field solution, and icing analysis that takes the impinging liquid and formulates a heat balance equation on the surface of the blade. The two-dimensional heat balance model assumes no heat transfer to the surface of the blade. Since there are no known previous calculations or experiments to compare with the prediction of the present method, calculations for several ranges of parameters are performed in order to gain experience. Some qualitative predictions of ice shedding frequencies, types of ice that may be formed, and a design suggestion for reducing ice buildup is also made.

Copyright © 1996 by The American Society of Mechanical Engineers
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