Effects of Heating on Two-Dimensional Mixing Layers

[+] Author and Article Information
N. Butuk, S. R. Gollahalli

School of Aerospace and Mechanical Engineering, The University of Oklahoma, 865 Asp Avenue, Room 212, Norman, OK 73019-0601

J. Energy Resour. Technol 119(3), 180-183 (Sep 01, 1997) (4 pages) doi:10.1115/1.2794987 History: Received March 15, 1996; Revised May 02, 1997; Online November 06, 2007


Transverse profiles of temperature and the mean velocities in the streamwise direction in a horizontal shear layer are presented. The variation of vorticity thickness along the streamwise coordinate is examined for the cases when both streams were at room temperature and when the top stream was heated to 360 K. The similarity of the velocity field is observed only near the plane of the interface of the two streams in both cases. The vorticity thickness-velocity ration correlation agrees well with the data available for the isothermal shear layers. The heating of one stream was not found to significantly influence the vorticity thickness, which is explained by the counteracting influences of viscosity and density changes.

Copyright © 1997 by The American Society of Mechanical Engineers
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