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RESEARCH PAPERS

Turbulent Jets in a Confined Crossflow

[+] Author and Article Information
R. L. Stoy, Y. Ben-Haim

Department of Mechanical Engineering, University of Connecticut, Storrs, Conn.

J. Fluids Eng 95(4), 551-556 (Dec 01, 1973) (6 pages) doi:10.1115/1.3447069 History: Received March 08, 1973; Online October 12, 2010

Abstract

An experimental and analytical study of the deflection and impingement of turbulent jets in a confined crossflow, a geometry which occurs in gas turbine blade impingement cooling schemes, is presented. The range of jet and crossflow Reynolds numbers investigated is directly applicable to turbine blade configuratons. A simple one-dimensional analysis using the basic conservation equations is developed to predict jet trajectory, average jet properties, and impingement point for spatially variable crossflow velocity profiles. The simplicity of the one-dimensional analysis makes it more suited to design calculations than two-dimensional jet analyses. Other crossflow velocity profiles are studied and jet development is successfully predicted by the analysis for all cases.

Copyright © 1973 by ASME
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