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RESEARCH PAPERS

Measurement of a Recirculating, Two-Dimensional, Turbulent Flow and Comparison to Turbulence Model Predictions. II: Transient Case

[+] Author and Article Information
D. R. Boyle, M. W. Golay

Department of Nuclear Engineering, Massachusetts Institute of Technology, Cambridge, Mass. 02139

J. Fluids Eng 105(4), 447-454 (Dec 01, 1983) (8 pages) doi:10.1115/1.3241027 History: Received March 08, 1982; Online October 26, 2009

Abstract

Measurements of transient water flows are performed in a 1/15-scale Fast Flux Test Facility nuclear reactor outlet plenum. During a repeated inlet-flow coastdown transient, measurements are made of the time-dependent, ensemble-averaged values of the velocity, turbulence kinetic energy, and Reynolds stress fields. These data are compared to predictions from a fluid dynamic simulation which uses a two-equation turbulence model. In general the comparison is good, and most observed transient disagreements can be attributed to errors in the calculation of the initial conditions rather than transient effects.

Copyright © 1983 by ASME
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