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Surface Nanobubbles Nucleate Liquid Boiling
Langmuir, 2018Surface nanobubbles have been presumed to lead to the experimental observation that liquid boiling often occurs at a much lower supersaturation than expected, yet no qualitative theory exists to explain how they participate in the process. Here, we report through a simple theoretical analysis on how the metastable nanobubbles nucleate the liquid-to ...
Jintao Zou +6 more
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Jet impingement nucleate boiling
International Journal of Heat and Mass Transfer, 1986Abstract The characterististics of nucleate boiling with jet impingement were investigated. Included are the effects of velocity, subcooling, flow direction and surface condition on fully developed boiling and on the correspondence of the extrapolation of pool boiling with developed jet boiling. Incipient boiling and partial boiling are in accordance
C.-F. Ma, A.E. Bergles
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Onset of Nucleate Boiling and Active Nucleation Site Density During Subcooled Flow Boiling
Journal of Heat Transfer, 2002The partitioning of the heat flux supplied at the wall is one of the key issues that needs to be resolved if one is to model subcooled flow boiling accurately. The first step in studying wall heat flux partitioning is to account for the various heat transfer mechanisms involved and to know the location at which the onset of nucleate boiling (ONB ...
Nilanjana Basu +2 more
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Suppression of Flow Boiling Nucleation
Journal of Heat Transfer, 1997A simple model is presented for estimating the ratio of the maximum to minimum cavity radius required for ebullition in two-phase flow with heat transfer. The resulting dimensionless parameter, rmax/rmin, is demonstrated to correlate flow boiling nucleation site density.
G. E. Thorncroft, J. F. Klausner, R. Mei
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Nucleation site interaction during boiling
International Journal of Heat and Mass Transfer, 2000Abstract Classical analyses of boiling nucleation employ a linear approach with investigation focusing on a single site and the heat transfer obtained from the active site density assuming uniform wall superheat. This paper uses synergetic concepts and the self-organizing effect to analyze the interactions among active sites or bubbles induced by non-
Chai, L. H., Peng, X. F., Wang, B. X.
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2019
The first documented mention of superheated liquid occurred in 1777 when the London Royal Society issued a recommendation to place a thermometer bulb not in boiling water itself, but rather in its vapors. In 1873, a century later, Gibbs [1] was first to carry out a physical analysis of specific features of the superheated (“metastable”) state of liquid.
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The first documented mention of superheated liquid occurred in 1777 when the London Royal Society issued a recommendation to place a thermometer bulb not in boiling water itself, but rather in its vapors. In 1873, a century later, Gibbs [1] was first to carry out a physical analysis of specific features of the superheated (“metastable”) state of liquid.
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1975
The process of evaporation associated with vapor bubbles in a liquid is called nucleate boiling. Here attention will be focused on boiling at heated solid surfaces of interest in engineering applications.
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The process of evaporation associated with vapor bubbles in a liquid is called nucleate boiling. Here attention will be focused on boiling at heated solid surfaces of interest in engineering applications.
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Flow boiling—the ‘apparently nucleate’ regime
International Journal of Heat and Mass Transfer, 1989This paper re-examines the nucleate boiling term in the Chen correlation (ASME Paper 63-HT-34 (1963)) for the heat transfer coefficient in flow boiling, which he derived from a correlation then current for pool boiling. The re-examination employs all available data published for water, with results of a recent simplified analysis of pool boiling which ...
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Suction nucleate boiling of water
AIChE Journal, 1965AbstractSuction nucleate boiling (consisting of saturated pool boiling on a porous heat source with the generated vapor exhausting through the pores) was investigated experimentally and theoretically. The experimental results demonstrated that: (1) interfacial free energy can be used to direct the flow of liquid and vapor in a desired direction and to ...
P. C. Wayner, A. S. Kesten
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