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TECHNICAL PAPERS

Local Heat/Mass Transfer Measurement on the Effusion Plate in Impingement/Effusion Cooling Systems

[+] Author and Article Information
Hyung Hee Cho, Dong Ho Rhee

Yonsei University, Department of Mechanical Engineering, 134, Shinchon-dong, Seodaemoon-gu, Seoul 120-749, Korea

J. Turbomach 123(3), 601-608 (Feb 01, 2000) (8 pages) doi:10.1115/1.1344904 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Schematic diagrams of experimental apparatus and effusion plate
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Schematic views of hole arrangements and coordinate (hole size not to scale)
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Geometry and boundary conditions in numerical calculation
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Sherwood number for single layer at Red=10,000
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Velocity vectors at selected planes for staggered array at Red=10,000
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Contour plots of Sh for various gap distances with staggered array
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Local Sh for various gap distances with staggered array
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Comparison of local Nu for impinging jet with other results for H/d=2.0 and Red=10,000 along z/d=0.0
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Expected flow pattern of array impinging jets
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Local plots of Sh for different Red at H/d=1.0 with staggered array
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Velocity vectors for shifted array at H/d=1.0 and Red=10,000
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Contour plots of turbulence intensity (percent) at the plane of 0.067d apart from the surface of the effusion plate for H/d=1.0 and Red=10,000
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Contour plots of Sh for H/d=1.0 and Red=10,000 with shifted array
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Local plots of Sh for different hole arrangements at H/d=1.0 and Red=10,000
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Smoke-wire flow visualization for different hole arrangements at H/d=4.0
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Oil-lampblack surface flow visualization for H/d=2.0 and Red=10,000

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