... acting as a thermal diode. The low-profile assembly takes advantage of the phase-changing properties of water inside a sealed chamber. The wettability-patterned plate—when on the cooled side, e.g., forward operation mode—enables spatially controlled dropwise condensation (high heat transfer rate...

... the heat transfer performance, due to the common effects of the improved flow distribution and enhanced overall effective thermal conductivity (ETC). Results also show that the MFPF heat sink promotes the improvement of the bottom wall temperature uniformity. Porosity has more pronounced effects on heat...

...Zengchao Chen; Wei Li; Junye Li; Kan Zhou; Zhaozan Feng Experimental research of subcooled flow boiling heat transfer of de-ionized water in a high-aspect-ratio, one-sided heating, vertical rectangular microchannel having a hydraulic diameter of 0.94 mm (5.01 mm × 0.52 mm) is carried out...

...Jeho Kim; J. Michael Brown; Yogendra Joshi; Kevin O'Connor; Marcos Diaz; Zhuomin Zhang; Peiyan Yang The use of computational fluid dynamics/heat transfer (CFD/HT) software has become common in exploring the thermal and hydrodynamic behavior of many electronic products. Well-designed CFD/HT models...

... tension, N/m 2 A h = heated area, m 2 c p = constant-pressure specific heat, J/kg °C C = shape factor D h = hydraulic diameter, m G = mass flux, kg/m 2 s h = heat transfer coefficient, W/m 2 °C h lv = latent heat of evaporation, J/kg...

... thermal conductivity are negligible via model simulation and calculation. It was experimentally found that aluminum alloy after surface anodization treatment presented excellent corrosion resistance and outstanding heat transfer performance even when exposed in eutectic gallium–indium (E-GaIn) LM over 200...

..., the heat transfer fluid should be at high temperature, which motivates the design of concentrating solar collectors (e.g., line-focused and point-focused) and the working mechanism of a solar thermal power plant is as shown in Fig. 1 . It shows that solar irradiation is focused on the receiver...

... [1] Thome , J. R. , 2004 , “ Boiling in Microchannels: A Review of Experiment and Theory ,” Int. J. Heat Fluid Flow , 25 ( 2 ), pp. 128 – 139 . 10.1016/j.ijheatfluidflow.2003.11.005 [2] Thome , J. R. , Dupont , V. , and Jacobi , A. , 2004 , “ Heat Transfer Model...

..., 2016; published online April 19, 2016. Assoc. Editor: Mehmet Arik. 19 02 2016 18 03 2016 Algorithms Coupled codes Design methodology Electrical design Heat transfer PWB PWB Design Thermal systems Numerical Integration methods Metal wiring in PCBs carries two...

... in a Conducting Medium ,” ASME J. Electron. Packag. , 133 ( 40 ), p. 041008 . 10.1115/1.4005296 [18] da Silva , A. K. , and Gosselinb , L. , 2008 , “ Evolutionary Placement of Discrete Heaters in Forced Convection ,” Numer. Heat Transfer , A, 54 ( 1 ), pp. 20 – 33 . 10.1080/10407780802024864...

.... Editor: Gongnan Xie. 24 07 2013 26 03 2014 A model of mini heat sink with microchannels was developed to obtain homogeneous heat transfer capability. The channels are constructed in the form of eight triangular arrays based on a square substrate. Air is sucked from the periphery...

... online June 4, 2013. Assoc. Editor: Amy Fleischer. 08 12 2012 29 03 2013 A numerical study is performed to investigate the effects of nanofluids on the heat transfer performance of a pulsating heat pipe (PHP). Pure water is employed as the base fluid while Al 2 O 3 with two...

... than heat added to the sides. Changing the contact length shows that variation in the length of the contact results in negligible changes in required heat to achieve a given displacement. MEMS microswitches heat transfer Heat switches have been used to control the temperature [ 1...

...Damena D. Agonafer; J. Yeom; M. A. Shannon Microposts are utilized to enhance heat transfer, adsorption/desorption, and surface chemical reactions. In a previous study [Yeom et al., J. Micromech. Microeng., 19, p. 065025 (2009)], based in part on an experimental study, an analytical expression...

...Zhanyu Sun; Yogesh Jaluria This paper is directed at the numerical simulation of pressure-driven nitrogen slip flow in long microchannels, focusing on conjugate heat transfer under uniform heat flux wall boundary condition. This problem has not been studied in detail despite its importance in many...

...Ningbo Liao; Ping Yang; Miao Zhang; Wei Xue Heat transfer across the interfaces of dissimilar materials is a critical consideration in a wide variety of scientific and engineering applications. In this paper, molecular dynamics (MD) simulations are conducted to investigate the effects of thermal...

...Drazen Fabris; Michael Rosshirt; Christopher Cardenas; Patrick Wilhite; Toshishige Yamada; Cary Y. Yang Improvements in thermal interface materials (TIMs) can enhance heat transfer in electronics packages and reduce high temperatures. TIMs are generally composed of highly conductive particle...

... was created for an opto-electronic package, and validated by experiments. The presented method gives a very good case study for such exercises. In the paper of Martinez-Galvan et al., “Film Thickness and Heat Transfer Measurements in a Spray Cooling System With R134a,” experimental measurements...

... of the Delta Environmental and Educational Foundation. Chen , Y. J. , and Young , T. F. , 2009 , “ Thermal Stress and Heat Transfer Characteristics of a Cu/Diamond/Cu Heat Spreading Device ,” Diamond Relat. Mater. 0925-9635 , 18 , pp. 283 – 286 . 10.1016/j.diamond.2008.10.059...

... (dimensionless) N speed, rpm NTU number of transfer units Nu Nusselt number P power, kW Pr Prandtl number Q heat load, kW Re Reynolds number St Stanton number T temperature, ° C U overall heat transfer coefficient...