... and interactions between vapor and liquid flows also increase the pressure drop weight in the evaporator over the system loop and result in more notable heating area effect on biwick structures when compared with traditional monowick structures. It is noted that a small temperature hysteresis, regardless...

... are provided to relate the transitional Re number to Ga and geometry. By analyzing repeated experiments, it is shown that the standard deviation of the measurements from the correlations is less than 5.2%. 06 10 2010 05 09 2011 13 12 2011 13 12 2011 drops external flows film flow...

... droplets. The air bubble trapped by the condensate droplets as shown in Fig. 13 obviously grew due to reduced cooling effect. Numerous mini air bubbles shown as the brighter spots can be seen from Fig. 13b until the condensate droplet evaporated to a very tiny drop. When the contact line receded due...

... Turbine Blades ,” ASME J. Heat Transfer , 132 ( 12 ), 122201 . 10.1115/1.4002394 22 Ranz , W. E. , and Marshall , Jr. W. R. , 1952 , “ Evaporation From Drops Part I ,” Chem. Eng. Prog. , 48 , pp. 141 – 146 . 23 Ranz , W. E. , and Marshall , Jr. W. R...

... Effectiveness of a Water Drop Impinging on a Hot Surface ,” Int. J. Heat Fluid Flow , 22 ( 2 ), pp. 201 – 210. 10.1016/S0142-727X(00)00086-2 12 Pasandideh-Fard , M. , Chandra , S. , and Mostaghimi , J. , 2002 , “ A Three-Dimensional Model of Droplet Impact and Solidification ,” Int. J...

... 02 09 2011 boiling drops heat transfer jets microchannel flow sprays two-phase flow wetting high heat flux extreme-high heat flxu jet impingement spray microchannel piezoelectric droplet wettability electronic cooling thermal management According...

... Performance of a Converging Liquid Drop Radiator ,” J. Thermophys. Heat Transfer , 3 ( 1 ), pp. 46 – 52 . 10.2514/3.124 12 Siegel , R. , 1989 , “ Transient Radiative Cooling of an Absorbing and Scattering Cylinder ,” J. Heat Transfer , 111 ( 1 ), pp. 199 – 203 . 10.1115/1.3250649 13...

... is in agreement with the study by Bernardin et al. [( 45 )] who studied water droplets with 20 < We < 220 striking a smooth heater at temperatures between 70 and 250 °C and frequencies between 40 and 150 drops per minute. They visualized spreading of the droplets upon impact and reported that CHF occurred...

... to surface temperature difference is much smaller. These results demonstrate the primary motivation for the study of these films; namely the hope of establishing a more reliable method of producing drop-wise condensation and possibly a method of controlling condenser operating conditions...

..., are observed. These structures only appear during the initial application of EHD and are absent in the steady state. Experiments were performed using a 8 kV pulse width modulated (PWM) signal with duty cycles ranging from 0% to 100% to evaluate the heat transfer and pressure drop characteristics...

... a single droplet with the drop size distribution. The single droplet heat transfer is analyzed as a combination of the vapor-liquid interfacial resistance, the resistance due to the conduction through the drop itself, the resistance from the coating layer, and the resistance due to the curvature...

...Nenad Miljkovic; Ryan Enright; Shalabh C. Maroo; H. Jeremy Cho; Evelyn N. Wang 27 04 2011 27 04 2011 capillarity drops elemental semiconductors evaporation flow visualisation hydrophilicity hydrophobicity nanostructured materials scanning electron microscopy silicon...

...Jae Bong Lee; Seong Hyuk Lee; Chang Kyoung Choi 27 04 2011 27 04 2011 aluminium contact angle drops flow visualisation high-speed optical techniques hole density hydrophobicity impact (mechanical) microfluidics milling machines surface energy surface roughness surface...

... and the intensification of mass transfer caused by the Marangoni effect, the heat transfer characteristics of pseudo-dropwise condensation are tentatively formulated. The model involved an analysis of the diffusion process in the vapor boundary layer along with the heat transfer process through the condensate drops...

... challenging heat transfer pressure-drop tradeoffs in application. Additionally, Nguyen et al. ( 50 ) observed a critical temperature of a hysteresis phenomenon for the viscosity of nanofluids with high concentrations. Hence, a highly concentrated nanofluid should be used in application with care...

... of the droplet from the substrate is a linear function of the saturation temperature. For a given fluid, the drop size distribution is well represented by a power law. Average heat transfer coefficient is satisfactorily predicted by the developed model. 29 04 2010 23 07 2010 03 11 2010 03 11...

... , 33 ( 4 ), pp. 577 – 601 . 10.1016/j.compfluid.2003.06.002 Clift , R. , Grace , J. R. , and Weber , M. E. , 1978 , Bubbles, Drops, and Particles , Academic , New York . Benaissa , A. , Gauthier , J. E. D. , Bardoni , M. F. , and Laviolette , M. , 2002...

... colloids convection drops microchannel flow nanofluidics suspensions nanofluid colloidal suspensions thermal transport Marangoni effect droplet-laden flow segmented flow immiscible fluids Thermal management of microelectronic devices becomes more important and challenging as size...

... Surfaces ,” Int. J. Heat Mass Transfer 0017-9310 , 51 ( 5–6 ), pp. 1061 – 1070 . 10.1016/j.ijheatmasstransfer.2006.05.047 01 12 2009 13 04 2010 15 07 2010 15 07 2010 condensation contact angle drops ion implantation nucleation steam wetting dropwise...

...C. Dietz; K. Rykaczewski; A. Fedorov; Y. Joshi condensation contact angle copper compounds drops heat transfer hydrophobicity nanostructured materials scanning electron microscopy wetting 11 06 2010 11 06 2010 2010 American Society of Mechanical Engineers ...