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Keywords: numerical simulation
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Proceedings Papers

Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T16A003, July 13–15, 2020
Paper No: ICNMM2020-1053
... be obtained by the interfacial resistance model coupled with homogeneous nucleation-site model Keywords: VOF model, MMC heat sink, Subcooled flow boiling, Numerical simulation NOMENCLATURE cp specific heat, kJ/kg·K f volumetric surface tension force, kg/m2·s2 G mass flux, kg/m2·s h energy source term, W/m3·s...
Proceedings Papers

Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T01A002, June 23–26, 2019
Paper No: ICNMM2019-4236
... in a minichannel heat exchanger equipped with rectangular winglet vortex generators (VGs) through numerical simulation. The minichannels have a hydraulic diameter of 2.86 mm and are assumed to be made from aluminum alloy AlSi10Mg. This material is one of the popular alloys in the additive manufacturing industry...
Proceedings Papers

Proc. ASME. ICNMM2012, ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels, 405-410, July 8–12, 2012
Paper No: ICNMM2012-73121
...: Short microchannel, Liquid cooling, Numerical simulation INTRODUCTION The demand of micro devices has increased the research activities on microchannel systems. One topic, which is of major interest, is the cooling of hot surfaces using microchannel systems (micro surface coolers). The optimization...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2, 125-134, June 19–22, 2011
Paper No: ICNMM2011-58059
..., the effects of the baffles height and span on the mixing efficiency and length in axisymmetric micro-mixer are studied. Having baffles in the channel can substantially decrease the mixing length. Numerical simulation Peripheral/Axial Mixing Segmented Gas-Liquid Flow Axisymmetric Micro-mixer drop...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2, 135-141, June 19–22, 2011
Paper No: ICNMM2011-58065
... on the major sub-channel which are similar to a diamond ring structure. In order to yield optimum mixing effect, different parameters of geometry structure under a wide range of Reynolds numbers (1–80) have been investigated by numerical simulation with three-dimensional Navier-Stokes equations. The steady...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2, 95-99, June 19–22, 2011
Paper No: ICNMM2011-58210
... the aspect ratio contributes the pressure drop increases and more entropy generation is produced. The results also show that, the lowest entropy generation moves towards the higher aspect ratio when the wall heat flux or vapor quality increases. KEYWORDS: microchannel, two-phase flow, numerical simulation...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1, 183-191, June 19–22, 2011
Paper No: ICNMM2011-58041
... scheme. Micromixer Numerical simulation Mixing efficiency 1 Copyright © 2011 by ASME Proceedings of the ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels ICNMM2011 June 19-22, 2011 Edmonton, Alberta, CANADA DRAFT- ICNMM2011-58041 A new scheme...
Proceedings Papers

Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 1319-1326, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31093
.... Having baffles in the channel can substantially decrease the mixing length. KEYWORDS T-shape Barrier Embedded Micro-mixer (BEM), numerical simulation, Intensity of segregation, non-reactive miscible gases, specious concentration NOMENCLATURE fluid velocity Pressure density gravitational acceleration...
Proceedings Papers

Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 1517-1528, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30166
... applied to fully turbulent flows it is extended here to also cover the laminar flow regime. Specific numbers of K can be determined by integration of the entropy generation field (second law analysis) obtained from a numerical simulation. This general approach is discussed and illustrated for various...
Proceedings Papers

Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 1629-1638, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30276
... of non-circular ducts, pressure drop and heat transfer in meandering microtubes and microchannels for both of gas-liquid and liquid-liquid two-phase flows. Numerical simulation slug flow two-phase flow microtubes microchannels pressure drop heat transfer 1 Copyright © 2010 by ASME...
Proceedings Papers

Proc. ASME. ICMM2005, ASME 3rd International Conference on Microchannels and Minichannels, Part B cont’d, 495-502, June 13–15, 2005
Paper No: ICMM2005-75148
... was found to be 1 ng/μL. Automatic electrokinetically-controlled immunoassay experiments were further carried out on a microchannel network. Numerical simulation and experimental studies were combined for the first time to demonstrate an integrated, electrokinetically-controlled immunoassay lab-on-a-chip...
Proceedings Papers

Proc. ASME. ICMM2005, ASME 3rd International Conference on Microchannels and Minichannels, Parts A and B, 671-678, June 13–15, 2005
Paper No: ICMM2005-75159
... a prominent role in reactor design and performance. For gas/liquid two-phase flow in a microchannel, the Taylor slug flow regime is the most commonly encountered flow pattern, therefore the present study deals with the numerical simulation of gas and liquid slugs in a microchannel. A T-junction microchannel...
Proceedings Papers

Proc. ASME. ICNMM2006, ASME 4th International Conference on Nanochannels, Microchannels, and Minichannels, Parts A and B, 395-401, June 19–21, 2006
Paper No: ICNMM2006-96105
... are then discussed. MHD hypersonic flow TVD numerical simulation Proceedings of ICNMM2006: 4th International Conference on Nanochannels, Microchannels and Minichannels obtained through adding electro-magnetic body force terms in Proceedings of ICNMM2006 1 Copyright © 2006 by ASME INTRODUCTION Supersonic...