Erosion of a Tube by Gas-Particle Flow

[+] Author and Article Information
G. L. Sheldon, J. Maji, C. T. Crowe

Department of Mechanical Engineering, Washington State University, Pullman, Wash.

J. Eng. Mater. Technol 99(2), 138-142 (Apr 01, 1977) (5 pages) doi:10.1115/1.3443423 History: Received April 28, 1976; Revised July 16, 1976; Online August 17, 2010


A numerical model for particle-laden flow in a tube has been developed which predicts the erosive wear of the tube wall by the action of the impinging particles. Empirical relationships are used to correlate the particles’ momentum before and after impact with material properties. Erosion of a straight duct conveying a particle-laden stream was studied as experimental verification of the model. Specifically, an aluminum tube was eroded by much harder spherical particles and the resulting wear pattern compared with that predicted by the model. A close correlation was found. This is a first step in modeling more complex erosion effects in equipment in which two- and three-dimensional flows predominate.

Copyright © 1977 by ASME
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