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TECHNICAL PAPERS: Jets and Wakes

Ultra High Critical Heat Flux During Forced Flow Boiling Heat Transfer With an Impinging Jet

[+] Author and Article Information
Yuichi Mitsutake, Masanori Monde

Department of Mechanical Engineering, Saga University, 1 Honjo-machi, Saga city, 840-8502, Japan

J. Heat Transfer 125(6), 1038-1045 (Nov 19, 2003) (8 pages) doi:10.1115/1.1621899 History: Received July 03, 2002; Revised July 22, 2003; Online November 19, 2003
Copyright © 2003 by ASME
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References

Gambill,  W. R., and Lienhard,  J. H., 1989, “An Upper Bound for the Critical Boiling Heat Flux,” ASME J. Heat Transfer, 111(3), pp. 815–818.
Bird, R. B., Stewart, W. E., and Lightfoot, E. N., 2002, Transport Phenomena, John Wiley & Sons, Inc., New York, pp. 39.
Haramura,  Y., 1989, “Characteristics of pool boiling heat transfer in the vicinity of the critical heat flux (relations between bubble motion and heat flux fluctuations),” Heat Transfer-Jpn. Res., 18(3), pp. 18–31.
Haramura,  Y., and Katto,  Y., 1983, “A new hydrodynamic model of critical heat flux, applicable widely to both pool and forced convection boiling on submerged bodies in saturated liquids,” Int. J. Heat Mass Transfer, 26(3), pp. 389–399.
Nariai, H., Shimura, T., and Inasaka, F., 1987, “Critical heat flux of subcooled flow boiling in narrow tube,” ASME-JSME Thermal Engineering Joint Conference, 5 , pp. 455–462.
Kureta, M., Mishima, K., and Nishihara, H., 1995, “Critical heat flux for flow boiling of water in small diameter tubes,” ASME/JSME Thermal Engineering Joint Conference.
Mudawar,  I., and Bowers,  M. B., 1999, “Ultra-high critical heat flux (CHF) for subcooled water flow boiling, I: CHF data and parametric effects for small diameter tubes,” Int. J. Heat Mass Transfer, 42, pp. 1405–1428.
Gambill,  W. R., Bundy,  R. D., and Wansbrough,  R. W., 1961, “Heat transfer, Burnout, and Pressure drop for Water in Swirl flow through tubes with internal twisted tapes,” Chem. Eng. Prog., Symp. Ser., 57(32), pp. 127–137.
Monde,  M., Kitajima,  K., Inoue,  T., and Mitsutake,  Y., 1994, “Critical Heat Flux in a Forced Convective Subcooled Boiling with an Impinging Jet,” Heat Transfer, 7, pp. 515–520.
Inoue,  A., Tanno,  T., Takahashi,  M., and Yamasaki,  Y., 1995, “Two-dimensional impinging jet cooling of high heat flux surfaces in magnetic confinement fusion reactors,” Fusion Eng. Des., 28(1), pp. 81–89.
Monde,  M., and Mitsutake,  Y., 1996, “Critical heat flux in forced convective subcooled boiling with multiple impinging jets,” ASME J. Heat Transfer, 118(1), pp. 241–243.
Houchin, W. R., and Lienhard, J. H., 1966, “Boiling Burnout in Low Thermal Capacity Heater,” Proceedings of ASME Winter Annual Meeting 1966 (Heat Transfer Division), ASME, New York, pp. 1–8.
Tachibana,  F., Akiyama,  M., and Kawamura,  H., 1967, “Non-Hydrodynamic Aspects of Pool Boiling Burnout,” J. Nucl. Sci. Technol., 4, pp. 121–130.
Haramura, Y., 2003, “Non-Condensible Gas Effect on Critical Heat Flux of Subcooled Pool Boiling of Water,” Proceedings of the 6th ASME-JSME Thermal Engineering Joint Conference, pp. 278.

Figures

Grahic Jump Location
Relationship between heat flux and current for various materials and sizes of direct heated rectangular surface
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Schematic of experimental apparatus (1. Pressure vessel, 2. Heated surface, 3. Circular nozzle, 4. Cooler, 5. Filter, 6. Low-pressure pump, 7. High-pressure pump, 8. Pressure transducer, 9. Strain meter, 10. Multiplexer, 11. Ice box, 12. Digital multimeter, 13. GPIB interface, 14. Personal computer, 15. DC power supply, 16. Flow control valve, 17. Bypass valve, 18. Nitrogen gas cylinder)
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Experimental setup of heated surface and nozzle
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Photograph of top view of a burnt-out surface
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Simplified two-dimensional heater assembly section model and prescribed boundary conditions to assess heat losses to the electrodes and bakelite block
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Steady-state temperature field in the nickel foil and the bakelite block for q=200 MW/m2,L=10 mmh=0.1 mm,P=0.8 MPa(Tsat=170.4°C),ΔTsat=50 K
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Estimated heat losses to the electrodes and the bakelite, and total heat loss with two-dimensional heat conduction analysis
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Effect of heater thickness on CHF
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Relationship between CHF and velocity
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Relationship between CHF and subcooling of jet
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Relative accuracy of the correlation Eq. (2)
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Flow model in deriving the general correlation of CHF (Eq. (2)) (A: Saturated boiling region, B: subcooled boiling region, C: Single-phase flow region)
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Relationship between dimensionless CHF and system pressure

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