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TECHNICAL PAPERS

Evaluation of Pressure Side Film Cooling With Flow and Thermal Field Measurements—Part II: Turbulence Effects

[+] Author and Article Information
J. Michael Cutbirth

William B. Morgan Large Cavitation Channel, Naval Surface Warfare Center, Carderock Division, Memphis, TN 38113

David G. Bogard

Mechanical Engineering Department, University of Texas at Austin, Austin, TX 78712

J. Turbomach 124(4), 678-685 (Nov 07, 2002) (8 pages) doi:10.1115/1.1504442 History: Received November 02, 2001; Online November 07, 2002
Copyright © 2002 by ASME
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References

Figures

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Effect of turbulence on the pressure side film cooling as a function of blowing ratio for Tu=20% with integral length scale, Λx/d=7
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Effect of turbulence on the pressure side film cooling with Tu=0.5%,Msh=0.0, and (a) Ips=0.09, and (b) Ips=1.2
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Effect of turbulence on the pressure side film cooling with Msh=0.0,Tu=20%, and (a) Ips=0.11, and (b) Ips=1.2
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Thermal profiles for the pressure side film cooling with Msh=0.0 at x/d=−28 for (a) Tu=0.5% and (b) Tu=20%
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Instantaneous flow visualization at x/d=−28 with Msh=0.0 and (a) Ips=1.2,Tu=0.5%, (b) Ips=1.2,Tu=20%, and (c) Ips=0.2,Tu=20%
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RMS values at a location of x/d=−28 for Ips=1.2 and Msh=0.0
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Effect of turbulence on the mid-span pressure side film cooling with Msh*=1.5,Ips=0.2, and (a) Tu=0.5%, and (b) Tu=20%
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Superposition of the showerhead, Msh*=1.5, and pressure side film cooling with Tu=20% shown by the lateral distribution of effectiveness
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Thermal fields due to showerhead injection measured immediately upstream of the pressure side holes (x/d=−22) for (a) Tu=0.5%, and (b) Tu=20%
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Thermal profiles for the pressure side film cooling with Tu=20%,x/d=−28,Msh=1.5, and (a) Ips=1.2, (b) Ips=0.5, and (c) Ips=0.2
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Instantaneous flow visualization with Ips=1.2,Msh*=1.5, for (a) Tu=0.5%, and (b) Tu=20% at x/d=−28
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RMS values at a location of x/d=−28 for Ips=1.2 and Msh*=1.5

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