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TECHNICAL PAPERS: Jets, Wakes, and Impingements

Identification of Dominant Heat Transfer Modes Associated With the Impingement of an Elliptical Jet Array

[+] Author and Article Information
S. C. Arjocu

Medical University of South Carolina, Charleston, SC 29403

J. A. Liburdy

Department of Mechanical Engineering, Oregon State University, Corvallis, OR 97331e-mail: liburdy@eng.clemson.edu

J. Heat Transfer 122(2), 240-247 (Dec 02, 1999) (8 pages) doi:10.1115/1.521463 History: Received December 30, 1997; Revised December 02, 1999
Copyright © 2000 by ASME
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References

Martin,  H., 1977, “Heat and Mass Transfer Between Impinging Gas Jets and Solid Surfaces,” Adv. Turbulence, 2, pp. 37–44.
Goldstein,  R. J., and Timmers,  J. F., 1982, “Visualization of the Heat transfer From Arrays of Impinging Jets,” Int. J. Heat Mass Transf., 25, No. 12, pp. 1857–1868.
Pan, Y., and Webb, B. W., 1994, “Visualization of Local Heat Transfer Under Arrays of Free-Surface Liquid Jets,” Proceedings of the 10th International Heat Transfer Conference, Vol. 4, Institution of Chemical Engineers, Rugby, UK, pp. 77–82.
Huber,  A. M., and Viskanta,  R., 1994, “Effect of Jet-Jet Spacing on Convective Heat Transfer to Confined, Impinging Arrays of Axisymmetric Jets,” Int. J. Heat Mass Transf., 37, No. 18, pp. 2859–2869.
Husain,  H., and Hussain,  F., 1991, “Elliptic Jets. Part 2. Dynamics of Coherent Structures: Pairing,” J. Fluid Mech., 233, pp. 439–482.
Ho,  C. M., and Gutmark,  E., 1987, “Vortex Induction and Mass Entrainment in a Small Aspect-Ratio Elliptic Jet,” J. Fluid Mech., 179, pp. 383–405.
Lee,  S. J., Lee,  J. H., and Lee,  D. H., 1994, “Local Heat Transfer Measurements from an Elliptic Jet Impinging on a Flat Plate Using Liquid Crystal,” Int. J. Heat Mass Transf., 37, No. 6, pp. 967–976.
Barker, J. M., and Liburdy, J. A., 1999, “Characterization of the Large-Scale Structures in an Impinging Elliptic Jet,” First International Symposium on Turbulence and Shear Flow, S. Banerjee and J. K. Eaton, eds., Begell House, New York, pp. 653–658.
Arjocu, S. C., and Liburdy, J. A., 1997, “Flow Structures in an Impinging Elliptic Jet Array,” Proceedings of ASME-Fluids Div, ASME, New York, Vancouver, BC, Canada.
Arjocu,  S. C., and Liburdy,  J. A., 1999, “Near Surface Characterization of an Impinging Elliptic Jet Array,” J. Fluids Eng. 121, No. 2, pp. 384–390.
Sirovich,  L., and Kirby,  M., 1990, “An Eigenfunction Approach to Large Scale Transitional Structures in the Jet Flow,” Phys. Fluids A, 2, No. 2, pp. 127–135.
Glauser,  M. N., Leib,  S. J., and George,  W. K., 1987, “Coherent Structures in the Axisymmetric Turbulent Jet Mixing Layer,” Turbulent Shear Flow, 5, pp. 134–145.
Hussain,  F., and Hussain,  H., 1989, “Elliptic Jets. Part 1. Characteristics of Unexcited and Excited Jets,” J. Fluid Mech., 208, pp. 257–320.
Von Wolfersdorf,  J., Hoecker,  R., and Sattelmayer,  T., 1993, “A Hybrid Transient Step-Heating Heat Transfer Measurement Technique Using Heater Foils and Liquid-Crystal Thermography,” ASME J. Heat Transfer, 115, pp. 319–324.
Arjocu, S. C., 1997, “Elliptic Jet Flow Structures and Heat Transfer in as Jet Array,” Ph.D. dissertation, Clemson University, Clemson, SC.
Lumley, L. J., 1970, Stochastic Tools in Turbulence, Academic Press, New York.
Arjocu, S. C., and Liburdy, J. A., 1997, “Analysis of Flow Structures Occurring in Impingement of Elliptic Jet Arrays,” 28th AIAA Fluid Dynamics Conference, AIAA, Reston, VA.

Figures

Grahic Jump Location
Spatial heat transfer distribution within the central jet unit cell at Re=700 and r=3; (a) H=1, (b) H=3
Grahic Jump Location
Spatial heat transfer distribution within the central jet unit cell at Re=1500 and r=2, and H=1
Grahic Jump Location
Average heat transfer coefficient versus impingement distance; (a) r=2, (b) r=3
Grahic Jump Location
Average heat transfer coefficient versus modified circulation, Γ*
Grahic Jump Location
Experimental flow facility  
Grahic Jump Location
Heat transfer impingement plate and data acquisition system
Grahic Jump Location
Spatial heat transfer distribution within the central jet unit cell at Re=300 and r=3; (a) H=1, (b) H=2, (c) H=5
Grahic Jump Location
First-mode proper orthogonal decomposition spatial energy distribution; (a) Re=300,H=2,r=3, (b) Re=300,H=4,r=3, (c) Re=1500,H=2,r=2, (d) Re=1500,H=4,r=2
Grahic Jump Location
Second-mode proper orthogonal decomposition spatial energy distribution; (a) Re=300,H=2,r=3, (b) Re=300,H=4,r=3, (c) Re=1500,H=2,r=2, (d) Re=1500,H=4,r=2

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