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TECHNICAL NOTES

Three-Dimensional Forced Convection in Plane Symmetric Sudden Expansion

[+] Author and Article Information
J. H. Nie, B. F. Armaly

Department of Mechanical and Aerospace Engineering, and Engineering Mechanics, University of Missouri–Rolla, Rolla, MO 65401

J. Heat Transfer 126(5), 836-839 (Nov 16, 2004) (4 pages) doi:10.1115/1.1795242 History: Received December 12, 2003; Revised April 21, 2004; Online November 16, 2004
Copyright © 2004 by ASME
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References

Armaly,  B. F., Durst,  F., Pereira,  J. C. F., and Schonung,  B., 1983, “Experimental and Theoretical Investigation of Backward-Facing Step Flow,” J. Fluid Mech., 127, pp. 473–496.
Nie,  J. H., and Armaly,  B. F., 2003, “Reattachment of Three-Dimensional Flow Adjacent to Backward-Facing Step,” ASME J. Heat Transfer, 125, pp. 422–428.
Goldstein,  R. J., Eriksen,  V. L., Olson,  R. M., and Eckert,  E. R. G., 1970, “Laminar Separation, Reattachment, and Transition of the Flow over Downstream-Facing Step,” ASME J. Heat Transfer, 92, pp. 732–741.
Baughn,  J. W., Hoffman,  M. A., Takahashi,  R. K., and Launder,  B. E., 1984, “Local Heat Transfer Downstream of an Abrupt Expansion in a Circular Channel With Constant Wall Heat Flux,” ASME J. Heat Transfer, 106, pp. 789–796.
Durst,  F., Melling,  A., and Whitelaw,  J. H., 1974, “Low Reynolds Number Flow Over a Plane Symmetrical Sudden Expansion,” J. Fluid Mech., 64, pp. 111–128.
Durst,  F., Pereira,  J. C. F., and Tropea,  C., 1993, “Plane Symmetric Sudden-Expansion Flow at Low Reynolds numbers,” J. Fluid Mech., 248, pp. 567–581.
Sobey,  I. J., and Drazin,  P. G., 1986, “Bifurcations of Two-Dimensional Channel Flows,” J. Fluid Mech., 171, pp. 263–287.
Fearn,  R. M., Mullin,  T., and Cliffe,  K. A., 1990, “Nonlinear Flow Phenomena in a Symmetric Sudden Expansion,” J. Fluid Mech., 211, pp. 595–608.
Patel, S., and Drikakis, D., 2003, “Numerical Effects on the Prediction of Flow instabilities in Channels With Sudden-Expansion,” Proc. of IMECE’03, ASME-IMECE2003-55616, CD-ROM, ASME, New York.
Cherdron,  W., Durst,  F., and Whitelaw,  J. H., 1978, “Asymmetric Flows and Instabilities in Symmetric Ducts with Sudden Expansion,” J. Fluid Mech., 84, pp. 13–31.
Chiang,  T. P., Sheu,  T. W. H., and Wang,  S. K., 2000, “Side Wall Effects on the Structure of Laminar Flow Over a Plane-Symmetric Sudden Expansion,” Comput. Fluids, 29, pp. 467–492.
Shah, R. K., and London, A. L., 1978, Laminar Forced Convection in Ducts, Academic Press, New York.
Nie, J. H., and Armaly, B. F., 2003, “Three-Dimensional Forced Convection Flow in Plane Symmetric Sudden Expansion,” Proceedings of IMECE’03, ASME-IMECE2003-41428, CD-ROM, ASME, New York.

Figures

Grahic Jump Location
Schematic of the computation domain
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Comparison with the measured results of Fearn et al. 8(u-velocity distribution, at different streamwise locations on the plane of symmetry at Re=26)
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Limiting streamlines on planes parallel to the stepped wall (y/S=0.01) and sidewall (z/L=0.01)
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Velocity field on a plane parallel to the stepped wall (y/S=0.01)
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Distribution of the Nusselt number on the stepped wall (□ jet-impingement, • maximum Nusselt number, ▴ maximum friction coefficient)
Grahic Jump Location
Distribution of the friction coefficient on the stepped wall (□ jet-impingement, • maximum Nusselt number, ▴ maximum friction coefficient)

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