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TECHNICAL PAPERS: Conduction Heat Transfer

Effect of Constant Heat Flux Boundary Condition on Wall Temperature Fluctuations

[+] Author and Article Information
A. Mosyak, E. Pogrebnyak, G. Hetsroni

Department of Mechanical Engineering, Technion-IIT, Haifa, 32000 Israel

J. Heat Transfer 123(2), 213-218 (Sep 29, 2000) (6 pages) doi:10.1115/1.1345886 History: Received January 11, 2000; Revised September 29, 2000
Copyright © 2001 by ASME
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References

Kim, J., and Moin, P., 1989, “Transport of Passive Scalars in a Turbulent Channel Flow,” Turbulent Shear Flows, VI, J. C. Andre, et al., eds., Springer-Verlag, Berlin, pp. 85–96.
Lyons,  S. L., and Hanratty,  T. J., 1991, “Direct Numerical Simulation of Passive Heat Transfer in a Turbulent Channel Flow,” Int. J. Heat Mass Transf., 34, pp. 1149–1161.
Kasagi,  N., Tomita,  Y., and Kuroda,  A., 1992, “Direct Numerical Simulation of Passive Scalar Field in a Turbulent Channel Flow,” ASME J. Heat Transfer, 114, pp. 598–606.
Lu,  D. M., and Hetsroni,  G., 1995, “Direct Numerical Simulation of a Turbulent Open Channel Flow with Passive Heat Transfer,” Int. J. Heat Mass Transfer, 38, pp. 3241–3251.
Iritani, Y., Kasagi, N., and Hirata, M., 1984, “Heat Transfer Mechanism and Associated Turbulence Structure in a Near-Wall Region of a Turbulent Boundary Layer,” Proc. Turbulent Shear Flows, IV, L. J. S. Bradbury, et al., eds., Springer-Verlag, Berlin, pp. 223–234.
Hetsroni,  G., and Rozenblit,  R., 1994, “Heat Transfer to a Liquid-Solid Mixture in a Flume,” Int. J. Multiphase Flow, 20, pp. 671–689.
Hetsroni,  G., Zakin,  J. L., and Mosyak,  A., 1997, “Low-Speed Streaks in Drag-Reduced Turbulent Flow,” Phys. Fluids, 9, pp. 2397–2404.
Kasagi,  N., Kuroda,  A., and Hirata,  M., 1989, “Numerical Investigation of Near-Wall Turbulent Heat Transfer Taking Into Account the Unsteady Heat Conduction in the Solid Wall,” ASME J. Heat Transfer, 111, pp. 385–392.
Sommer,  T. P., So,  R. M. C., and Zhang,  H. S., 1994, “Heat Transfer Modeling and the Assumption of Zero Wall Temperature Fluctuations,” ASME J. Heat Transfer, 116, pp. 855–863.
Donohue,  G. L., Tiederman,  W. G., and Reischman,  M. M., 1972, “Flow Visualization of the Near-Wall Region in a Drag-Reducing Channel Flow,” J. Fluid Mech., 56, pp. 559–575.
Hetsroni,  G., Mosyak,  A., Rozenblit,  R., and Yarin,  L. P., 1999. “Thermal Patterns on the Smooth and Rough Walls in Turbulent Flows,” Int. J. Heat Mass Transf., 42, pp. 3815–3829.
Antonia,  R. A., Teitel,  M., Kim,  J., and Browne,  L. W. B., 1992, “Low Reynolds Number Effects Fully Developed Turbulent Flow,” J. Fluid Mech., 236, pp. 579–605.
Nishino, K., and Kasagi, N., 1989, “Turbulence Statistics Measurements in a Two-Dimensional Channel Flow Using a Three-Dimensional Particle Tracking Velocimeter,” Proc. of the 7th Symposium on Turbulent Shear Flows, Stanford, pp. 22.1.1–22.1.6.
Kays, W. M., Convective Heat and Mass Transfer, McGraw-Hill, NY.
Hartnett,  J. P., 1955, “Experimental Determination of the Thermal Entrance Length for the Flow of Water and Oil in Circular Pipes,” ASME J. Heat Transfer, 77, pp. 1211–1220.
Hishida, M., and Nagano, Y., 1978, “Structure of Turbulent Temperature and Velocity Fluctuations in the Thermal Entrance Region of a Pipe,” Proc. 6th International Heat Transfer Conference, Toronto, Canada, 2 , pp. 531–536.
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Slanciauskas,  A., Drizius,  M. R., and Zukauskas,  A., 1973, “Temperature Fluctuations in the Wall Region During Turbulent Flow of a Viscous Liquid Along a Plate,” Heat Transfer-Sov. Res., 5, pp. 74–83.

Figures

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Test section made of thick copper plate. (H1 thermal wall boundary condition.) [1-liquid crystal sheet, 2-thermocouple, 3-electrical heater, 4-copper plate, 5-insulation, 6-pertinax frame, 7-bottom of flume].
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Loop of rectangular channel [1-tank, 2-pump, 3-control valve, 4-flow meter, 5-straightener, 6-development section, 7-test section, 8-IR camera, 9-outlet section, 10-heat exchanger]
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Test section made of thin stainless steel strip. (H2 thermal wall boundary condition.) [1-top of channel, 2-stainless steel strip, 3-window, 4-bottom of channel, 5-IR camera].
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Wall-shear velocities in channel water flow [•-present study; ○-data of Donohue 10]
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Dependence of dimensionless local heat transfer coefficient on dimensional thermal entry length [•-present study; ○-data by Hartnett 15]
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Behavior of thermal streak spacing in streamwise direction. Thermal entrance region (H1 case).
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Thermal streaks in thermal entrance region. Channel flow (H2 case).
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Thermal streaks in the developed region (H2 case)
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Wall temperature variation in the spanwise direction (H1 case)
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Wall temperature variation in the spanwise direction (H2 case)
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Dependence of wall temperature fluctuation on thermal entrance length (H1 case)
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Dependence of wall temperature fluctuation on thermal entrance length (H2 case)
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Wall temperature fluctuation in developed thermal boundary layer

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