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RESEARCH PAPERS

Inviscid Approximations for Wall Jet-Receiver Interaction

[+] Author and Article Information
H. S. Shen, D. O. Rockwell

Depart. of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pa.

J. Fluids Eng 97(1), 60-66 (Mar 01, 1975) (7 pages) doi:10.1115/1.3447217 History: Received December 03, 1974; Online October 12, 2010

Abstract

Potential flow, control volume, and frozen vorticity models have been used to analyze the wall jet-receiver system. The potential flow model predicts well the extent of the region of influence upstream of the receiver entrance for jet widths the same order as the receiver width, but the assumption of irrotationality drastically mispredicts the receiver spill flow angle. A control volume model which accounts for the extent of influence upstream of the receiver entrance and the possibility of continuous wall stall accurately predicts the receiver spill flow angle for most receiver spill flow ratios. The frozen vorticity model predicts velocity profiles in the receiver entrance region reasonably well, and slightly overpredicts the pressure recovery coefficient in the receiver entrance region.

Copyright © 1975 by ASME
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