Momentum Flux in Plane, Parallel Jets

[+] Author and Article Information
Robert E. Spall, Elgin A. Anderson, Jeffrey Allen

Department of Mechanical and Aerospace Engineering, UMC 4130, Utah State University, Logan, UT 84322-4130

J. Fluids Eng 126(4), 665-670 (Sep 10, 2004) (6 pages) doi:10.1115/1.1778717 History: Received April 04, 2003; Revised February 13, 2004; Online September 10, 2004
Copyright © 2004 by ASME
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Description of parallel jet flow field parameters and coordinate system
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Representative computational grid (299×400) with contours of velocity magnitude superimposed for the S/d=9 configuration at Re=50,000. For purposes of clarity, every fourth grid line is plotted in each direction.
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Comparison between numerical and experimental results for the time-averaged streamwise momentum flux, UU+uu, integrated over planes of constant x/d at S/d=5 (experimental data represented by symbols)
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Numerical results of term-by-term evaluation of integral equation, Eq. (6). (a) S/d=9 configuration. (b) Single jet configuration.
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Sensitivity of streamwise momentum flux to variations in the jet inlet turbulence kinetic energy and dissipation rate boundary conditions
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Sensitivity of the numerical solutions to grid resolution and the size of the computational domain for spacing S/d=9




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