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TECHNICAL PAPERS

Experimental Heat Transfer and Bulk Air Temperature Measurements for a Multipass Internal Cooling Model With Ribs and Bleed

[+] Author and Article Information
Douglas Thurman

U.S. Army Research Laboratory, Glenn Research Center, Cleveland, OH 44135

Philip Poinsatte

National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135

J. Turbomach 123(1), 90-96 (Feb 01, 2000) (7 pages) doi:10.1115/1.1333090 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Test section (units are in cm)
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(a) Static pressure measurement stations. (b) Air temperature measurement stations. (c) Air temperature measurement locations in first passage (units are in cm).
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(a) Inlet velocity profile. (b) Inlet airstream temperatures with uniform bleed at Re3.
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Airstream temperature measurements at various heights in first channel with uniform bleed at Re3: (a) z=0.64 cm. (b) z=1.91 cm. (c) z=3.18 cm. (d) z=4.45 cm.
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Airstream temperature throughout model, averaged spanwise across channel, Re3, no-bleed, midchannel height
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Test section static pressures; uniform bleed
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Surface heat transfer Nu/Nuo, for the case of ribs between holes: (a) Re1, no-bleed. (b) Re1, uniform-bleed. (c) Re1, increasing bleed. (d) Re1, decreasing bleed.
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Surface heat transfer, Nu/Nuo, for the case of ribs near holes: (a) Re1, no-bleed. (b) Re1, uniform-bleed. (c) Re1, increasing bleed. (d) Re1, decreasing bleed.
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Surface heat transfer, Nu/Nuo: (a) Re2, uniform-bleed, ribs between holes. (b) Re3, uniform-bleed, ribs between holes. (c) Re2, uniform-bleed, ribs near holes. (d) Re3, uniform-bleed, ribs near holes.
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Centerline heat transfer, uniform-bleed: (a) ribs between holes; (b) ribs near holes

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