Results 211 to 220 of about 622 (258)
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NUCLEATE POOL BOILING UNDER DC ELECTRIC FIELD
Experimental Heat Transfer, 2001This article deals with an experimental study of the influence of a DC uniform electric field on the nucleate boiling heat transfer. Electrohydrodynamic (EHD) effects on heat transfer coefficients for dielectric liquids are quantitatively investigated by performing experiments on various liquids with different properties.
M. C. Zaghdoudi, M. Lallemand
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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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NUCLEATE POOL BOILING IN A CONFINED SPACE
Chemical Engineering Communications, 1992Nucleate pool boiling of pure water and dilute aqueous sodium lauryl sulfate (SLS) solutions within a confined space between heated and unheated horizontal-parallel surfaces has been investigated under atmospheric pressure. The electrically heated lower surface is made of a sheet of stainless steel 304 with the dimension of 145 × 22 × 0.05 mm and the ...
MAW TIEN LEE, YU MIN YANG, JER RU MAA
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Stability of nucleation sites in pool boiling
Experimental Thermal and Fluid Science, 1994Abstract A study was carried out to observe bubble nucleation and site deactivation mechanisms under equilibrium pool boiling of liquids on single sites. The experiments were conducted with benzene, ethanol, and their mixtures on single sites made of glass.
Keshav Kant, Martin E. Weber
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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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Behavior of nucleation sites in pool boiling
AIChE Journal, 1985AbstractThe behavior of active boiling site populations was monitored for pool boiling on an electrically heated 1‐mil stainless steel sheet. The boiling sites were located using a high‐speed infrared camera focused on the underside of the boiling surface. Experiments were conducted to determine factors affecting the origin, concentration, and lifetime
J. E. Sgheiza, J. E. Myers
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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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Visualizational study on nucleate pool boiling phenomena
SPIE Proceedings, 1993It is important to visualize the intricate bubble behavior and the strong agitation of liquid near the heating surface to clarify the details concerning boiling mechanism. The visualization of nucleate pool boiling phenomena was confirmed by means of shadowgraphy using a still- camera (Nikon Photomic Camera) with the speed of 2000 frames per second ...
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Nucleate Pool Boiling Heat Transfer Correlation for TiO2-Water Nanofluids
Journal of ASTM International, 2012Abstract This paper is a continuation of the authors’ previous work on the nucleate pool boiling heat transfer of nanofluids [Suriyawong, A. and Wongwises, S., “Nucleate pool boiling heat transfer characteristics of TiO2-water nanofluids at very low concentrations,” Exp. Therm. Fluid Sci., Vol. 34, No. 8, 2010, pp.
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