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Keywords: numerical simulation
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Proceedings Papers

Proc. ASME. MNHMT2019, ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T01A001, July 8–10, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2019-4059
... electrowetting-based DMF applications. digital microfluidics electrowetting EWOD microdrop generation Hele-Shaw cell numerical simulation CLSVOF method CSF method A NUMERICAL STUDY OF ELECTRODE ARRANGEMENTS FOR PRECISE MICRODROP GENERATION IN AN ELECTROWETTING-BASED DIGITAL MICROFLUIDIC PLATFORM...
Proceedings Papers

Proc. ASME. MNHMT2019, ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T10A003, July 8–10, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2019-3950
... and vapor quality. condensation numerical simulation heat transfer minichannel NUMERICAL INVESTIGATION OF CONDENSATION HEAT TRANSFER CHARACTERISTICS OF R134A IN RECTANGULAR MINICHANNEL Di Lv, Wei Li1,* 1. Department of Energy Engineering, Zhejiang University, Hangzhou, Zhejiang, China Jingzhi...
Proceedings Papers

Proc. ASME. MNHMT2019, ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T10A004, July 8–10, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2019-4042
... widths at the mass flux of 1300 kg/m 2 ·s. With different ratios of inlet-to-outlet area, the thermal resistances remain nearly stable. manifold microchannels volume of fluid method subcooled flow boiling numerical simulation NUMERICAL INVESTIGATION OF FLOW BOILING IN A MANIFOLD MICROCHANNEL...
Proceedings Papers

Proc. ASME. MNHMT2019, ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T03A002, July 8–10, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2019-3987
... and average saturated vapor concentration are higher at ellipsoid side, but the average evaporation flux is higher at sphere side. Furthermore, due to the bigger curvature radius at ellipsoid side, the droplet evaporates faster at this side. numerical simulation nonspherical sessile droplet curvature...
Proceedings Papers

Proc. ASME. MNHMT2019, ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T11A005, July 8–10, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2019-4012
... Abstract Numerical simulation was performed to establishing a two-dimensional pulsating heat pipe model, to investigate the flow and heat transfer characteristics in the pulsating heat pipe by using the Mixture and Euler models, which were unsteady models of vapor-liquid two-phase, based...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 391-394, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18084
... and the applicability of the measuring system to evaluate the feasibility of the method and measuring system. This research will pave the way to the follow-on research on heat storage at high temperature in industry. Inorganic salt Thermophysical properties Dynamic testing Numerical Simulation MNHMT2009...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 651-658, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18129
... of final product. Numerical simulation can provide valuable information during solidification process since heat and mass transfer associated with micro-structural growth of dendrite is in greatly small scale which is almost impossible to obtain by experiments. In real situations, dendrite tends to grow...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 97-101, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18020
... (δ¯) is 6.5% at the gravity conditions and 21.5% at zero-gravity conditions when the Re v0 changes from 8000 to 15000. Marangoni condensation Heat transfer film condensation Numerical simulation Copyright © 2009 by ASME 1 MNHMT2009­18020 THE EFFECT OFTHE MARANGONI FLOWON THE FILM...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 271-277, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18413
... the goal of optimizing design of microchannel heat exchanger. microchannel CFD (Computational Fluid Dynamics) numerical simulation hydraulic diameter Copyright © 2009 by ASME Proceedings of MNHMT2009 ASME 2009 2nd Micro/Nanoscale Heat & Mass Transfer International Conference December 18-22...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 61-66, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18097
... As an important parameter, the critical back pressure ratio is directly related with the application of sonic nozzle. When the stagnation condition was fixed, the size effect on critical back pressure ratio was investigated. Some numerical simulations were conducted for sonic nozzles with throat...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 143-148, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18231
... The heat transfer characteristic and flow structure of fluid in the rectangular channel with different height vortex generators in small scale are investigated with numerical simulation. Meantime, the properties of heat transfer and flow of fluid in the rectangular channel are compared...
Proceedings Papers

Proc. ASME. MNHT2008, ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B, 1257-1264, June 6–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MNHT2008-52027
..., was suggested. Keywords: microchannel; numerical simulation; boundary layer; entrance effect; hydrodynamic entry length NOMENCLATURE L Hydrodynamic entry length [ m ] D Hydraulic diameter [ m ] H Height of channel [ m ] Lt Length of channel [ m ] b Width of channel [ m ] U Avaraged Verocity [m/s] u v w x y...
Proceedings Papers

Proc. ASME. MNHT2008, ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B, 639-648, June 6–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MNHT2008-52007
... the conventional predictions. This discrepancy is to the large surface relative roughness or denser distribution. Numerical simulations considering ous effect are carried out. The simulation results the electroviscous effect does not play a significant friction factor for channel dimensions of the order of ough...
Proceedings Papers

Proc. ASME. MNHT2008, ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B, 77-85, June 6–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MNHT2008-52040
... by the electroosmotic driving force. Vortex Eletroosmotic drive Microchannel Numerical simulation cR Y u M 0 higher electric field intensities. In 2000, adriving force. Key Words: Vortex, Eletroosmotic drive, Microchannel, Numerical simulation 1 INTRODUCTION Electroosmotic flow (EOF) is widely applied...
Proceedings Papers

Proc. ASME. MNHT2008, ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B, 997-1004, June 6–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MNHT2008-52154
... and reliability of the VOF method. Next to that, the two-phase pressure drops in micro-channel were analyzed numerically by using the same CFD method. Also the comparison of pressure drop among the numerical simulations, experimental data and the results calculated by homogeneous equilibrium model was presented...