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TECHNICAL PAPERS

Flow and Heat (Mass) Transfer Characteristics in an Impingement/Effusion Cooling System With Crossflow

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

Department of Mechanical Engineering, Yonsei University, Seoul, 120-749 Korea

J. Turbomach 125(1), 74-82 (Jan 23, 2003) (9 pages) doi:10.1115/1.1519835 History: Received November 17, 2001; Online January 23, 2003
Copyright © 2003 by ASME
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References

Hollwarth,  B. R., and Dagan,  L., 1980, “Arrays of Impinging Jets with Spent Fluid Removal through Vent Holes on the Target Surface Part 1: Average Heat Transfer,” ASME J. Eng. Power, 102, pp. 994–999.
Hollwarth,  B. R., and Lehmann,  G., and Rosiczkowski,  J., 1983, “Arrays of Impinging Jets with Spent Fluid Removal through Vent Holes on the Target Surface Part 2: Local Heat Transfer,” J. Eng. Power, 105, pp. 393–402.
Cho, H. H., and Goldstein, R. J., 1996, “Effect of Hole Arrangements on Impingement/Effusion Cooling,” Proc. 3rd KSME-JSME Thermal Engineering Conference, pp. 71–76.
Cho,  H. H., and Rhee,  D. H., 2001, “Local Heat/Mass Transfer Measurement on the Effusion Plate in Impingement/Effusion Cooling System,” ASME J. Turbomach., 123, pp. 601–608.
Cho, H. H., Choi, J. H., and Rhee, D. H. 2001, “The Effects of Hole Arrangements on Heat/Mass Transfer of Impingement/Effusion Cooling System,” Proc. ExHFT-5, pp. 975–980.
Metzger,  D. E., and Korstad,  R. J., 1992, “Effects of Cross flow in Impingement Heat Transfer,” ASME J. Eng. Power, 94, pp. 35–41.
Florschuetz,  L. W., Metzger,  D. E., and Su,  C. C., 1984, “Heat Transfer Characteristics for Jet Array Impingement With Initial Crossflow,” ASME J. Heat Transfer, 106, pp. 34–41.
Haiping, C., Wanbing, C., and Taiping, H., 1999, “3-D Numerical Simulation of Impinging Jet Cooling with Initial Crossflow,” ASME Paper No. 99-GT-256.
Cho, H. H., Yoon, P. H. and Rhee, D. H., 2001, “Heat/mass Transfer Characteristics of Arrays of Impingement Jets with Effusion Holes,” Proc. ExHFT-5, pp. 955–960.
Cho,  H. H., and Goldstein,  R. J., 1997, “Total Coverage Discrete Hole Wall Cooling,” ASME J. Turbomach., 119(2), pp. 320–329.
Cho,  H. H., and Goldstein,  R. J., 1995, “Heat (Mass) Transfer and Film Cooling Effectiveness With Injection Through Discrete Holes—Part I: Within Holes and on the Back Surface,” ASME J. Turbomach., 117, pp. 440–450.
Ambrose,  D., Lawrenson,  I. J., and Sparke,  C. H. S., 1975, “The Vapor Pressure of Naphthalene,” J. Chem. Thermodyn., 7, pp. 1173–1176.
Goldstein,  R. J., and Cho,  H. H., 1995, “A Review of Mass Transfer Measurement Using Naphthalene Sublimation,” Exp. Therm. Fluid Sci., 10, pp. 416–434.
Eckert, E. R. G., 1976, Analogies to Heat Transfer Processes, in Measurements in Heat Transfer, ed., E. R. G. Eckert, and R. J. Goldstein, pp. 397–423, Hemisphere Pub., New York, NY.
Kline,  S. J., and McClintock,  F., 1953, “Describing Uncertainty in Single Sample Experiments,” Mech. Eng. (Am. Soc. Mech. Eng.), 75, p. 3–8.
Dittus,  P. W., and Boelter,  L. M. K., 1930, Univ. Cal. Pebl. Engng, 2(13), pp. 443–461; 1985, reprinted in Int. Commun. Heat Transfer, 12, pp. 3–22.
Goldstein,  R. J., Cho,  H. H., and Jabbari,  M. Y., 1997, “Effect of Plenum Crossflow on Heat (Mass) Transfer Near and Within the Entrance of Film Cooling Holes,” ASME J. Turbomach., 119, pp. 761–769.
Cho, H. H., Lee, C. H., and Kim, Y. S., 1997, “Characteristics of Heat Transfer in Impinging jets by Control of Vortex Pairing,” ASME Paper No. 97-GT-276.

Figures

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Schematic view of experimental apparatus
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Schematic diagrams of injection and effusion hole arrangement
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Distributions of Sh for crossflow only (without impingement/effusion flow)
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Comparison with other results near the stagnation point for H/d=2.0 and Red=10,000
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Contour plots of Sh for array jet impingement with initial crossflow at Red=10,000 and H/d=2.0. (a) M=0.5 (MR=0.164), (b) M=1.0 (MR=0.327)
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Local distributions of Sh for array jet impingement with initial crossflow at Red=10,000 and H/d=2.0.
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Calculated velocity vector plots at the injection plane (z/d=3.0) for impingement/effusion cooling with initial crossflow at Red=10,000 and H/d=2.0
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Calculated velocity vector plots at the effusion plane (z/d=0.0) for impingement/effusion cooling with initial crossflow at Red=10,000 and H/d=2.0
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Contour plots of calculated turbulence intensity (%) on the plane 0.1d apart from the effusion plate for various blowing rates at Red=10,000 and H/d=2.0
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Contour plots of Sh for various blowing rates at Red=10,000 and H/d=2.0
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Local distributions of Sh for impingement/effusion cooling with initial crossflow at z/d=1.0
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Local distributions of Sh for impingement/effusion cooling with initial crossflow at z/d=0.0
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Distributions of spanwise averaged Sh for various cooling schemes at Red=10,000 and H/d=2.0
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Distributions of spanwise averaged Sh for impingement/effusion cooling with initial crossflow of various blowing rates at Red=10,000 and H/d=2.0
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Overall averaged Sh for various cooling schemes and blowing rates at Red=10,000 and H/d=2.0

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