Maximum Two-Phase Vessel Blowdown From Pipes

[+] Author and Article Information
F. J. Moody

Atomic Power Equipment Department, General Electric Company, San Jose, Calif.

J. Heat Transfer 88(3), 285-294 (Aug 01, 1966) (10 pages) doi:10.1115/1.3691539 History: Received March 15, 1965; Revised June 15, 1965


Existing flow models are applied to predict maximum two-phase flow from a constant area, adiabatic pipe with friction. Graphs are given for maximum steam/water flow rate in terms of pipe f (L/D) and entrance stagnation properties. Theoretical blow-downs are graphed for 1000 and 2000 psia saturated-water systems with f (L/D) ranging from 0.0 to 100. Estimated pipe flow rates and blowdown transients are compared with steam/water data. Reasonable agreement is shown.

Copyright © 1966 by ASME
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