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Keywords: heat pipe
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2015, 137(10): 102301.
Paper No: HT-14-1165
Published Online: October 1, 2015
... Thermal Energy Storage System With Integral Heat Pipes for Concentrating Solar Power ,” Appl. Energy , 103 , pp. 400 – 415 . 10.1016/j.apenergy.2012.09.056 [13] Shabgard , H. , Robak , C. W. , Bergman , T. L. , and Faghri , A. , 2012 , “ Heat Transfer and Exergy Analysis...
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: Technical Briefs
J. Heat Transfer. June 2014, 136(6): 064503.
Paper No: HT-13-1332
Published Online: March 11, 2014
.... heat spreading thermal spreading model thermal spreading resistance heat spreader heat sink heat pipe two-phase heat spreader The cross-section of the heat spreader is typically larger than that of the heat source, and this adversely affects thermal energy diffusion as evidenced...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2013, 135(11): 111011.
Paper No: HT-12-1253
Published Online: September 23, 2013
... transition in evaporator, Δ P ph,c is the pressure gradient across phase transition in condenser, and Δ P g is the pressure drop in the liquid due to the effect of the gravitational force in the direction of the heat pipe axis. Δ P cm   maximum   capillary   pressure = 2 σ cos θ...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2013, 135(3): 031503.
Paper No: HT-12-1273
Published Online: February 11, 2013
.... Editor: Bruce L. Drolen. 06 06 2012 29 10 2012 Through the application of thin film evaporation theory and the fundamental operating principles of heat pipes, a hybrid axial groove has been developed that can greatly enhance the performance characteristics of conventional heat pipes...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2013, 135(2): 021501.
Paper No: HT-11-1388
Published Online: December 26, 2012
... heat pipe vapor chamber Passive thermal management of high heat fluxes is typically accomplished with heat pipes or vapor chambers that employ capillary action of the working fluid through internal wick structures [ 1 , 2 ]. The next generation of high-power electronic devices with increased...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2012, 134(2): 021503.
Published Online: December 13, 2011
...Qingjun Cai; Ya-Chi Chen Dryout in a heat pipe evaporator is caused by insufficient condensate supply through the wick structure. Dryout is generally considered a failure of the heat pipe operation. However, traditional dryout theory may not fully explain the heat and mass transport limitations...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2011, 133(10): 101502.
Published Online: August 11, 2011
...Youngsuk Nam; Stephen Sharratt; Gilhwan Cha; Y. Sungtaek Ju Micro heat pipes incorporating advanced wicks are promising for the thermal management of power electronics. We report the heat transfer performance of superhydrophilic Cu micropost wicks fabricated on thin silicon substrates using...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081504.
Published Online: May 4, 2011
...Vadim S. Nikolayev This article deals with the numerical modeling of the pulsating heat pipe (PHP) and is based on the film evaporation/condensation model recently applied to the single-bubble PHP ( Das et al., 2010, “Thermally Induced Two-Phase Oscillating Flow Inside a Capillary Tube,” Int. J...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081401.
Published Online: May 2, 2011
...Wessel W. Wits; Jim B. W. Kok A novel, integrated approach in thermal management of electronic products, based on two-phase cooling, is presented. A flat miniature heat pipe, integrated inside the laminated structure of a printed circuit board (PCB), has been developed, based on mainstream PCB...
Topics: Heat pipes, Heat
Journal Articles
Article Type: Design Innovations
J. Heat Transfer. May 2010, 132(5): 055001.
Published Online: March 5, 2010
... show that streaming flow has the potential to be used as a cost-effective and reliable heat pipe and/or as a heat spreader technique when fluid thermal conductivity is low. In spite of the differing in the degree of enhancement, a common finding is that the changes in the heat transfer rate due...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2010, 132(5): 051501.
Published Online: March 4, 2010
... , H. , Ganzevles , F. L. A. , Van der Geld , C. W. M. , and Grooten , M. H. M. , 2007 , “ Air Heat Exchangers With Long Heat Pipes: Experiments and Predictions ,” Appl. Therm. Eng. 1359-4311 , 27 ( 14–15 ), pp. 2426 – 2434 . 10.1016/j.applthermaleng.2007.03.004 Dunn , P...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. September 2009, 131(9): 092901.
Published Online: June 22, 2009
... evaporation heat pipes heat transfer mercury (metal) pipe flow temperature distribution thermal resistance thermosyphon high temperature liquid metal mercury heat pipe Thermosyphons are high thermal conductance devices able to transfer high amount of heat. In its most simple form...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2009, 131(5): 051501.
Published Online: March 20, 2009
.... The commercial use of heat exchangers equipped with long heat pipes is the following. Stand-alone electricity power generators are usually cooled with ambient air. Particularly in warmer countries, heat pipe equipped heat exchangers provide an alternative for air-to-air heat exchangers at low air temperature...
Journal Articles
Article Type: Micro/Nanoscale Heat Transfer—Part I
J. Heat Transfer. March 2009, 131(3): 033109.
Published Online: January 23, 2009
...Chen-Ching Ting; Jing-Nang Lee; Chien-Chih Chen The article presents some significant experimental data for studying the heat transfer behavior of heat pipe, which will further help the cooling efficiency improvement of the heat pipe cooler. It is well known that the heat pipe owns the extreme...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2008, 130(12): 121501.
Published Online: September 23, 2008
... copper elemental semiconductors evaporation heat pipes microprocessor chips porosity silicon statistical analysis thermal management (packaging) thermal resistance heat pipe vapor chamber nonuniform heating evaporative thermal performance silicon die heater As integrated...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. March 2007, 129(3): 391–394.
Published Online: September 19, 2006
...P. Cheng; H. B. Ma The minimum meniscus radius occurring in the heat pipe determines the maximum capillary heat transport. The accurate prediction of minimum meniscus radii plays a key role in designing a highly efficient heat pipe cooling device. In the current investigation, a mathematical model...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. February 2007, 129(2): 137–140.
Published Online: April 9, 2006
...A. Asias; M. Shusser; A. Leitner; A. Nabi; G. Grossman To investigate the feasibility of using heat pipes in airborne systems, heat pipe performance at large axial accelerations in the range of 3– 12 g was studied experimentally. The heat input chosen corresponded to the optimal heat pipe...