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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

Downs, S. J., and James, E. H., 1987, “Jet Impingement Heat Transfer—A Literature Survey,” ASME Paper No. 87-HT-35.
Jambunathan,  K., Lai,  E., Moss,  M. A., and Button,  B. L., 1992, “A Review of Heat Transfer Data for Single Circular Jet Impingement,” Int. J. Heat Fluid Flow, 13, pp. 106–115.
Viskanta,  R., 1993, “Heat Transfer to Impinging Isothermal Gas and Flame Jets,” Exp. Therm. Fluid Sci., 6, pp. 111–134.
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.
Huber,  A. M., and Viskanta,  R., 1994, “Effect of Jet–Jet Spacing on Convective Heat Transfer to Confined, Impinging Arrays of Axisymmetric Air Jets,” Int. J. Heat Mass Transf., 37, No. 18, pp. 2859–2869.
Cho, H. H., and Goldstein, R. J., 1996, “Effect of Hole Arrangements on Impingement/Effusion Cooling,” Proc. 3rd KSME–JSME Thermal Engineering Conf. pp. 71–76.
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., 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,” ASME J. Eng. Power, 105, pp. 393–402.
Cho,  H. H., and Goldstein,  R. J., 1997, “Total Coverage Discrete Hole Wall Cooling,” ASME J. Turbomach., 119, pp. 320–329.
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, E. R. G. Eckert and R. J. Goldstein, eds., Hemisphere, New York, pp. 397–423.
Kline,  S. J., and McClintock,  F., 1953, “Describing Uncertainty in Single Sample Experiments,” Mech. Eng. (Am. Soc. Mech. Eng.), 75, Jan., pp. 3–8.
Cho, H. H., Lee, C. H., and Kim, Y. S., 1998, “Characteristics of Heat Transfer in Impinging Jets by Control of Vortex Pairing,” ASME Paper No. 98-GT-276.
Lee, J. H., and Lee, S. J., 1998, “Turbulent Heat Transfer Characteristics in a Stagnation Region of Axi-Symmetric Jet Impingement,” Proc. 11th IHTC, Vol. 5, pp. 433–438.

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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