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RESEARCH PAPERS

Measurements of the Flow and Turbulence Characteristics of Round Jets in Crossflow

[+] Author and Article Information
S. A. Sherif, R. H. Pletcher

Department of Mechanical Engineering, Iowa State University, Ames, Iowa

J. Fluids Eng 111(2), 165-171 (Jun 01, 1989) (7 pages) doi:10.1115/1.3243618 History: Received February 08, 1988; Online October 26, 2009

Abstract

Measurements of the velocity and turbulence characteristics of a round turbulent jet in crossflow are reported. The experiments were conducted in a water channel, 8.53 m long, 0.61 m wide, and 1.067 m deep, of the recirculation type. Water was injected vertically upward from a circular pipe located near the channel bottom to simulate the turbulent jet. Normal and 45 deg-slanted fiber-film probes along with appropriate anemomenters and bridges were operated in the constant temperature mode to measure mean velocities, turbulence intensities, Reynolds stresses, structural parameters, correlation coefficients, and the turbulent kinetic energy. The measurements were carried out in the jet and its wake both in and outside the jet plane of symmetry. Details of the jet-wake cross section (including the vortex region) were revealed at a number of downstream locations using constant velocity and turbulence intensity contours.

Copyright © 1989 by ASME
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