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TECHNICAL PAPERS: Bubbles, Particles, and Droplets

Heat Transfer Enhancement Caused by Sliding Bubbles

[+] Author and Article Information
Baris B. Bayazit, D. Keith Hollingsworth, Larry C. Witte

Heat Transfer and Phase Change Laboratory, Department of Mechanical Engineering, University of Houston, Houston, TX 77204

J. Heat Transfer 125(3), 503-509 (May 20, 2003) (7 pages) doi:10.1115/1.1565090 History: Received June 26, 2002; Revised November 14, 2002; Online May 20, 2003
Copyright © 2003 by ASME
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References

Cornwell,  K., 1991, “The Influence of Bubbly Flow on Boiling From a Tube Bundle,” Int. J. Heat Mass Transf., 33, pp. 2579–2584.
Cooper,  M. G., and Lloyd,  A. J. P., 1969, “The Microlayer in Nucleate Pool Boiling,” Int. J. Heat Mass Transf., 12, pp. 895–913.
Koffman,  L. D., and Plesset,  M. S., 1983, “Experimental Observations of the Microlayer in Vapor Bubble Growth on a Heated Solid,” ASME J. Heat Transfer, 105, pp. 625–632.
Addlesee, A. J., Cornwell, K., and Peace, D. G., 1989, “Fluid Dynamics of Sliding Bubbles and Heat Transfer Implications,” Proc. Eurotherm Seminar 8, Pool Boiling, Paderborn, pp. 57–64.
Addlesee,  A. J., and Cornwell,  K., 1997, “Liquid Film Thickness Above a Bubble Rising Under an Inclined Plate,” Chem. Eng. Res. Des., 75, pp. 663–667.
Addlesee, A. J., and Cornwell, K., 1999, “The Velocity of Bubbles Rising Under an Inclined Plate,” ImechE Conf. Trans., 6th UK National Conf. on Heat Transfer, pp. 231–236.
Yan, Y., and Kenning, D. B. R., 1994, “Heat Transfer Near Sliding Vapor Bubbles in Boiling,” Proc., 10th International Heat Transfer Conference, pp. 195–200.
Yan, Y., Kenning, D. B. R., Grant, I. A., and Cornwell, K., 1996, “Heat Transfer to Sliding Bubbles Under Plane and Curved Surfaces,” Fourth UK National Conf. On Heat Transfer, Manchester, IMechE, C510/118, pp. 295–299.
Kenning, D. B. R., Bustnes, O. E., and Yan, Y., 2000, “Heat Transfer to a Sliding Vapor Bubble,” Proc. ASME Boiling 2000 Conf., 104 , pp. 82–89.
Qiu, D. M., and Dhir, V. K., 1999, “An Experimental Study of Heat Transfer During Sliding of Bubbles on Inclined Surfaces,” Proc. 5th ASME/JSME Joint Thermal Engineering Conference, San Diego, Paper AJTE99/6279.
Thorncroft,  G. E., and Klausner,  J. F., 1999, “The Influence of Vapor-Bubble Sliding on Forced Convection Boiling Heat Transfer,” ASME J. Heat Transfer, 121, pp. 73–79.
Bayazit, B. B., 2000, “A Thermographic Analysis of the Heat Transfer Mechanisms Generated by a Sliding Bubble,” Masters thesis, University of Houston, Houston, TX.
Hay,  J. L., and Hollingsworth,  D. K., 1996, “A Comparison of Trichromic Systems for Use in the Calibration of Polymer-Dispersed Thermochromic Liquid Crystals,” J. Exp. Thermal and Fluid Sci., 12 , pp. 1–12.
Hay,  J. L., and Hollingsworth,  D. K., 1998, “Calibration of Micro-Encapsulated Liquid Crystals Using Hue Angle and a Dimensionless Temperature,” J. Exp. Thermal and Fluid Sci., 18 , pp. 251–257.
Dukle,  N. M., and Hollingsworth,  D. K., 1996, “Liquid Crystal Images of the Transition from Jet-Impingement Convection to Nucleate Boiling, Part 1: Monotonic Distribution of the Convection Coefficient,” and “Part 2: Nonmonotonic Distribution of the Convection Coefficient,” J. Exp. Thermal and Fluid Sci., 12 , pp. 274–297.
Dalrymple, N. E., Dukle, N. M., and Hollingsworth, D. K., 1995, “The Behavior of a Boiling Front in Jet-Impingement Boiling,” Proc. of ASME/JSME Thermal Engineering Conference, 2 , pp. 339–346.
Maxworthy,  T., 1991, “Bubble Rise Under an Inclined Plate,” J. Fluid Mech., 229, pp. 659–674.

Figures

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Contour plot of the change in Tw caused by the passage of the bubble: Tw(t=140 ms)−Tw(t=0 ms). The bubble first contacts the plate near x=516 pixels.
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Sketch of the model system for computation of heat transfer across the microlayer
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Comparison of the calculated and measured wall temperature. The lengths of the computed temperature traces correspond to the measured bubble lengths.
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Collage of bubble images. The frame timing is in ms.
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Large cap-shaped bubble with a shear layer at the lower extremity
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Width to length ratio versus velocity
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Contour plot of the change in Tw caused by the passage of the bubble: Tw(t=280 ms)−Tw(t=0 ms). The bubble first contacts the plate near x=516 pixels.
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Schematic drawing of the test apparatus
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Detailed sketch of test surface
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Timing of lower and upper image sequences. The positions of the bubbles drawn in dashed line are interpolated.

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