Two-Phase Air-Water Nozzle Flow

[+] Author and Article Information
G. B. Wallis

Thayer School of Engineering, Dartmouth College, Hanover, N. H.

D. A. Sullivan

Creare Incorporated, Hanover, N. H.

J. Basic Eng 94(4), 788-794 (Dec 01, 1972) (7 pages) doi:10.1115/1.3425554 History: Received January 02, 1972; Online October 27, 2010


This paper describes an experimental investigation of two-phase, air-water nozzle flows including critical or choked flow. Five different nozzle geometries were used. The nozzles exhausted to atmospheric pressure from stagnation pressures of 16 to 55 psia. The quality (mass fraction of air flowing) ranged from 2 to 35 percent. A feature of the study was the injection system which was designed to minimize the entrainment of liquid into the gas phase. The data were found to be described within about 10 percent by modifying separated flow theory by a simple “blockage factor” correlation.

Copyright © 1972 by ASME
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