Results 201 to 210 of about 622 (248)
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A depletable micro-layer model for nucleate pool boiling
Journal of Computational Physics, 2015zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yohei Sato, Bojan Niceno
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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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Comparison of Nucleation Site Density for Pool Boiling and Gas Nucleation
Journal of Heat Transfer, 2005It has been well established that the rate of heat transfer associated with boiling systems is strongly dependent on the nucleation site density. Over many years attempts have been made to predict nucleation site density in boiling systems using a variety of techniques.
Yusen Qi, James F. Klausner
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Experimental study of pool temperature effects on nucleate pool boiling
International Journal of Multiphase Flow, 2006Abstract Nucleate pool boiling experiments with constant wall temperature were performed using pure R113 for subcooled, saturated, and superheated pool conditions. A microscale heater array and Wheatstone bridge circuits were used to maintain the constant wall temperature and to measure the instantaneous heat flow rate accurately with high temporal ...
Kim, JB, Oh, BD, Kim, MH
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Mechanisms of nucleate pool boiling on composite surfaces
International Communications in Heat and Mass Transfer, 1992Abstract A previous experimental study [1] has disclosed that nucleate pool boiling heat transfer coefficients on a graphite-copper composite surface are three to six times higher than those on a pure copper surface. Three programs are executed in order to explore the cause for such a high thermal performance: An experiment is conducted on nucleate ...
Yang, G. W., Yang, Wen-Jei, Zhang, N.
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A hydrodynamic model for nucleate pool boiling
International Journal of Heat and Mass Transfer, 1962Abstract A hydrodynamic model of stagnation flow is proposed for saturated nucleate boiling over a flat surface. Through the established analytical results in axisymmetrical stagnation flow, a relation between the heat-transfer coefficient and the thermal boundary-layer thickness induced by rising bubbles is obtained, and a good agreement with ...
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Nucleate Pool Boiling of Binary Zeotropic Mixtures
Heat Transfer Engineering, 2004This article deals with an experimental study of pool boiling of acetone/water and propane/isobutane zeotropic mixtures. Water and acetone form non-ideal mixtures characterized by a very wide phase equilibrium diagram. Propane and isobutane, which are alkanes with very close thermophysical properties, form nearly ideal mixtures. The whole nucleate pool
SERGE CIOULACHTJIAN, MONIQUE LALLEMAND
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NUCLEATE POOL BOILING OF REFRIGERANT/OIL MIXTURES
Experimental Heat Transfer, 1987Abstract Experimental data are presented for the boiling of Refrigerant-113 and of mixtures of Refrigerant-113 and an oil (Shell Clavus-68) from horizontal electrically heated tubes. Data were obtained for both a plain tube (25.4 mm outside diameter) and a tow-finned tube having 19 fins per inch with an outside diameter of 25.4 mm and a fin route ...
K.I. Bell, G. F. Hewitt, S. D. Morris
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Nucleate Pool Boiling over Vertical Steps
Journal of Thermophysics and Heat Transfer, 1999Nucleate subcooled pool boiling of water over vertical steps was carried out under atmospheric conditions. Two forward-facing steps of 0.8125 and 0.50 in. were considered. Data were statistically analyzed to determine samplingerror.Theebullitionwasqualitativelyexplainedintermsofthermal/e owe eldsandbubbledynamics.Plots of boiling heat e ux vs superheat
John Baker, A. K. Krishna Prasad
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The isolated bubble regime in pool nucleate boiling
International Journal of Heat and Mass Transfer, 1997We consider an isolated bubble boiling regime in which vapour bubbles are intermittently produced at a prearranged set of nucleation site on an upward facing overheated wall plane. In this boiling regime, the bubbles depart from the wall and move as separate entities.
Buyevich, Yu. A., Webbon, B. W.
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