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Keywords: Phase Change
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2020, 142(4): 041602.
Paper No: HT-18-1838
Published Online: February 27, 2020
... of water vapor condensation phenomena were experimentally studied on a vertically aligned smooth copper substrate for a range of pressures and temperatures for two different liquid wettability conditions. The heat transfer performance is dominated by the phase change process at the solid–vapor interface...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2020, 142(3): 032001.
Paper No: HT-19-1035
Published Online: January 13, 2020
.... The aluminum tube helps us avoid the overheating of the process tube. The heat transfer takes place from the surface of the aluminum tube to the surface of the process tube by the process of radiation and convection. bubble collapse interfacial heat transfer numerical analysis phase change nonlinear...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2015, 137(10): 101601.
Paper No: HT-14-1118
Published Online: October 1, 2015
...), the method used here exploits a direct nonlinear numerical model associated with a parameter estimation technique to determine temperature dependent thermal conductivities. It has been applied to a water-agar gel during phase change and the thermal conductivities within the corresponding temperature interval...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2015, 137(7): 072301.
Paper No: HT-13-1601
Published Online: March 24, 2015
.... The numerical model is based on the one-fluid mixture approach combined with the single-domain enthalpy porosity model for phase change, and it is implemented in fluent software package. The linear dependence of the liquidus and solidus temperatures with the concentration of the nanoparticles was assumed...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2014, 136(7): 072001.
Paper No: HT-13-1344
Published Online: March 26, 2014
... micro/mini heat pipes and their wick structures. In this article, silicon wick structures, composed of cylindrical pillars 320  μ m in height and 30–100  μ m in diameter, are developed for studies of phase change capability. Fabrication of the silicon wick structures utilizes the standard...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2013, 135(11): 111017.
Paper No: HT-12-1376
Published Online: September 23, 2013
... conditions and the heat flux applied. A single-phase correlation was developed to capture the low heat flux response, and the two-phase results were well-correlated by a pool boiling correlation. A new general correlation for jet impingement heat transfer with phase change is presented combining...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2013, 135(9): 091202.
Paper No: HT-12-1364
Published Online: July 26, 2013
...-Equilibrium Phase Change in Metal Induced by Nanosecond Pulsed Laser Irradiation ,” ASME J. Heat Transfer , 124 , pp. 293 – 298 . 10.1115/1.1445792 [25] Stafe , M. , Vladoiu , I . , and Popescu , I . M. , 2008 , “ Impact of the Laser Wavelength and Fluence on the Ablation Rate...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2013, 135(3): 031502.
Paper No: HT-12-1108
Published Online: February 8, 2013
... condensation on the tube surface under different conditions are included in the paper. Marangoni condensation steam-ethanol mixture heat transfer mass transfer phase change heat-transfer enhancement Condensation of vapor mixtures has been widely studied for many years. In most cases...
Journal Articles
Article Type: Melting And Solidification
J. Heat Transfer. September 2012, 134(9): 092301.
Published Online: July 2, 2012
...Liwu Fan; J. M. Khodadadi Highly-conductive nanostructures may be dispersed into phase change materials (PCM) to improve their effective thermal conductivity, thus leading to colloidal systems that are referred to as nanostructure-enhanced PCM (NePCM). Results of a theoretical and experimental...
Journal Articles
Article Type: Bio-Heat And Mass Transfer
J. Heat Transfer. June 2012, 134(6): 061101.
Published Online: May 8, 2012
... transformation. The phase-change enthalpy is not taken from the surrounding air. The heat flux withdrawn is thus the product of the phase-change enthalpy and the evaporative mass flux. Because the mass must be calculated to determine the evaporative mass flux, the use of the heat flux provided by the heat flux...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2011, 133(10): 102301.
Published Online: August 19, 2011
... dominated models. The results emphasize that natural convection has a critical effect in actual phase change processes. 24 01 2011 12 05 2011 13 05 2011 19 08 2011 19 08 2011 confined flow heat conduction ice natural convection solidification water phase change...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2011, 133(10): 101504.
Published Online: August 15, 2011
... , M. , Lipson , G. , and Wettlaufer , J. S. , 1995 , “ Evaporation Preempts Complete Wetting ,” Europhys. Lett. , 29 ( 6 ), pp. 457 – 462 . 10.1209/0295-5075/29/6/005 47 Carey , V. P. , 2007 , Liquid-Vapor Phase-Change Phenomena , 2nd ed. , Taylor & Francis...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2010, 132(12): 122403.
Published Online: September 20, 2010
... microchannel flow organic compounds two-phase flow viscosity water microlayer microchannel phase change laser extinction method Boiling in mini-/microscale channels is becoming increasingly important in many diverse applications as it is capable of removing large amounts of heat over small...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2010, 132(7): 071301.
Published Online: April 22, 2010
... a solid wall reveals that the presence of the solid wall induces a change in the phase change heat transport by the working fluid, besides facilitating axial heat conduction in the solid wall. The analysis also highlights the effects of the thickness and thermal conductivity of the solid wall on its axial...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2009, 131(12): 121004.
Published Online: October 15, 2009
... surfaces with enhanced boiling heat transfer performance and novel phase-change based micro-actuators and energy harvesters. 28 09 2007 28 03 2008 15 10 2009 bubbles cavitation flow simulation hydrophobicity wetting single bubble hydrophobic surface nucleate boiling...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2008, 130(8): 082301.
Published Online: May 30, 2008
...Ali Siahpush; James O’Brien; John Crepeau A detailed experimental and analytical study has been performed to evaluate how copper porous foam (CPF) enhances the heat transfer performance in a cylindrical solid/liquid phase change thermal energy storage system. The CPF used in this study had a 95...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2008, 130(4): 042403.
Published Online: March 17, 2008
... transfer pore diffusion MEMS nanotechnology membrane polymers soft materials evaporation nonboiling evaporative cooling phase change surface interface thermal management systems integration Microtrusses, also known as microframes ( 1 ), are polymeric sheetlike structures whose...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2008, 130(2): 021501.
Published Online: February 6, 2008
... and subcooled water flowing in opposite directions. The transport equations for the two fluids are alternately solved in separate domains and then coupled at the interface by imposing mass, momentum, and energy jump conditions with phase change. The effects induced by changes in the interfacial shear were...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. January 2008, 130(1): 012602.
Published Online: January 30, 2008
... with the inlet flow velocity and a positive correlation with the heat flux input. Moreover, it was proven that the inlet flow velocity had little influence on the temperature at the heating wall in the case that the phase change actively takes place. 3 A difference between the one-energy model and the two...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. April 2007, 129(4): 568–576.
Published Online: December 12, 2006
... the convection flow suppression. The effects of the magnetic strength on melting rate and on the profile of the solid/melt interface are studied. The experiments are conducted with pure gallium as phase change material inside a rectangular test cell. The solid thickness at its side center position is measured...