Steam Flow Through Safety Valve Vent Pipes

[+] Author and Article Information
H. E. Brandmaier

Engineering Systems, Burns and Roe, Inc., Oradell, N. J.

M. E. Knebel

Burns and Roe, Inc., Oradell, N. J.

J. Fluids Eng 98(2), 199-206 (Jun 01, 1976) (8 pages) doi:10.1115/1.3448258 History: Received August 19, 1975; Online October 12, 2010


The flow of steam through a safety valve vent pipe system has been analyzed to provide a design basis for sizing the pipe to prevent blowback of steam. The analysis is based upon the application of modern fluid dynamics to the flow in ejectors and free-jet wind tunnels. The resulting vent pipe design procedure is, in the authors’ opinion, based upon a more realistic analysis than has previously been performed.

Copyright © 1976 by ASME
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