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TECHNICAL BRIEFS

An Erosion Resistant Pipe Bend

[+] Author and Article Information
K. Horii

Shirayuri Women’s College, 1-25 Midorigaoka, Chofu-shi, Tokyo 182, Japan

Y. Matsumae, X. M. Cheng, M. Takei, E. Yasukawa, B. Hashimoto

Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169, Japan

J. Fluids Eng 113(1), 149-151 (Mar 01, 1991) (3 pages) doi:10.1115/1.2926489 History: Received March 20, 1988; Online May 23, 2008

Abstract

A new 90-deg bend shape has been developed for erosion resistance. The design consists of a gradually expanding inlet, a large-diameter curved section, and a gradually contracting outlet. Tests were conducted using alumina particles in air at an average velocity of 27 m/s, passing through a carbon steel bend. The new bend design had an erosion life exceeding 4000 hr, compared to 38 hr for a conventional bend design.

Copyright © 1991 by The American Society of Mechanical Engineers
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