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RESEARCH PAPERS

Performance Characteristics of an 8-In-Dia ASME Nozzle Operating at Compressible and Incompressible Conditions

[+] Author and Article Information
R. E. Smith

Engine Test Facility, ARO, Inc., Arnold Engineering Development Center, Arnold Air Force Station, Tenn.

R. J. Matz

J-Cells Division, Engine Test Facility, ARO, Inc., Arnold Engineering Development Center, Arnold Air Force Station, Tenn.

J. Fluids Eng 95(4), 542-550 (Dec 01, 1973) (9 pages) doi:10.1115/1.3447068 History: Received June 28, 1973; Online October 12, 2010

Abstract

Experimental and theoretical values of local velocity and density were determined at several axial planes within the cylindrical throat region of a standard ASME, long radius, low beta ratio nozzle. The nozzle was calibrated in compressible flow (air) over a range of throat Reynolds numbers from 500,000 to 4,000,000 and over a range of throat Mach numbers from 0.4 to critical. The nozzle was calibrated in incompressible flow (water) over a range of throat Reynolds numbers from 170,000 to 1,600,000. The behavior of the observed nozzle discharge coefficients is interpreted.

Copyright © 1973 by ASME
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