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Keywords: microchannel
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Proceedings Papers

Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A001, July 13–15, 2020
Paper No: ICNMM2020-1012
... that converging microgaps have better performance than uniform or diverging ones for single- phase flows, and such effect is more pronounced at lower flow rates, when the fluid experiences higher temperature changes. Keywords: Liquid cooling, Microchannel, Developing flow. INTRODUCTION Improving cooling...
Proceedings Papers

Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T16A002, July 13–15, 2020
Paper No: ICNMM2020-1051
...FLOW BOILING ON HETEROGENEOUS WETTING SURFACE IN A VERTICAL NARROW MICROCHANNEL Yuhao Lin, Junye Li, Kan Zhou, Wei li1 Zhejiang University, Department of Energy Engineering Zhejiang, China Kuang Sheng, Shuai Shao Zhejiang University, College of Electrical Engineering Zhejiang, China ABSTRACT...
Proceedings Papers

Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T01A001, June 23–26, 2019
Paper No: ICNMM2019-4231
... heat exchangers. Keywords: Minichannel; Microchannel; Heat exchanger; Additive manufacturing; 3D printing; Comsol; CFD INTRODUCTION Energy consumption is expected to increase by 31% between 2015 and 2035 worldwide [1]. The limited traditional energy re- sources and escalated energy utilization have...
Proceedings Papers

Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T01A002, June 23–26, 2019
Paper No: ICNMM2019-4236
... only had minor influences on the heat exchanger performance over the studied range of design parameters. Keywords: Heat exchanger; Minichannel; Microchannel; Vortex generator; Numerical simulation; CFD INTRODUCTION The increase in energy consumption resulting from popula- tion growth, economic...
Proceedings Papers

Proc. ASME. ICNMM2013, ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels, V001T03A013, June 16–19, 2013
Paper No: ICNMM2013-73162
... were 1–3 orders of magnitude higher than that reported using conventional gas-liquid absorption systems. microchannel mass transfer CO 2 absorption chemical reaction microreactor minichannel 1 Copyright © 2013 by ASME EXPERIMENTAL INVESTIGATION OF ENHANCED ABSORPTION OF CARBON DIOXIDE...
Proceedings Papers

Proc. ASME. ICNMM2012, ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels, 123-132, July 8–12, 2012
Paper No: ICNMM2012-73004
... The problem of laminar flow and heat transfer of water-based nanofluids inside a 3D-microchannel heat sink was numerically investigated, considering temperature-dependent fluids properties. Results, obtained for the 250–2000 Reynolds number range, show that an important enhancement of surface...
Proceedings Papers

Proc. ASME. ICNMM2012, ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels, 81-89, July 8–12, 2012
Paper No: ICNMM2012-73235
... microchannels measured 500 μm wide, 500 μm deep each. An array of synthetic jets was placed right above the micro-channels with each channel corresponds to 8 jet orifices. The strength and frequency of the jets are controlled by changing the driving voltage and frequency of the piezoelectric driven synthetic...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 2, 445-450, June 19–22, 2011
Paper No: ICNMM2011-58267
..., UK ABSTRACT The superhydrophobicity of the microchannels are dependent not only upon the surface energy of the wall but also closely related to the micro- and/or nano-structures on their surfaces. Recent experiments have found that superhrydrophobic surfaces can be achieved by pattering roughness...
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
... 14 05 2012 Proceedings of the ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels ICNMM2011 June 19-22, 2011 Edmonton, Alberta, CANADA 1 Copyright © 2011 by ASME ICNMM2011-58210 ENTROPY GENERATION IN MICROCHANNELS WITH TWO-PHASE FLOW A. Nouri-Borujerdi...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1, 263-268, June 19–22, 2011
Paper No: ICNMM2011-58209
... 14 05 2012 This paper investigates numerical simulation of one-dimensional homogeneous adiabatic gas-liquid two-phase flow in a rectangular microchannel with one boundary porous wall under the assumption of hydrophobic condition. Gas enters the microchannel with a uniform velocity...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1, 685-695, June 19–22, 2011
Paper No: ICNMM2011-58155
... ABSTRACT The aim of this work is to investigate numerically the mass transfer characteristics in a Taylor flow microchannel reactor. Previous attempts to model gas-liquid mass transfer in microchannels have mainly been done by the unit cell based models. Limitations of this approach are its incapability...
Proceedings Papers

Proc. ASME. ICNMM2011, ASME 2011 9th International Conference on Nanochannels, Microchannels, and Minichannels, Volume 1, 69-77, June 19–22, 2011
Paper No: ICNMM2011-58168
... 14 05 2012 Two-phase flow instability in microchannel flow boiling exhibits pressure fluctuations with different frequencies and amplitudes. One possible way to suppress the dynamic instability is to introduce synthetic jet near the inlet of the channel. An important feature...
Proceedings Papers

Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 741-750, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31101
...1 Copyright © 2010 by ASME Proceedings of the 8th International Conference on Nanochannels, Microchannels, and Minichannels ICNMM2010 August 1-5, 2010, Montreal, Canada FEDSM-ICNMM2010-31101 NUMERICAL ANALYSIS OF THE CONJUGATED HEAT TRANSFER PROBLEM FOR MIXED ELECTRO- OSMOTIC AND PRESSURE-DRIVEN...
Proceedings Papers

Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 137-146, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30603
... Copyright © 2010 by ASME 1 Proceedings of ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting and 8th International Conference on Nanochannels, Microchannels, and Minichannels FEDSM2010-ICNMM2010 August 1-5, 2010, Montreal, Canada FEDSM2010-ICNMM2010-30603 AN ANALYSIS OF SATURATED...
Proceedings Papers

Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 515-526, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31070
... 1 Copyright © 2010 by ASME Proceedings of ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting and 8th International Conference on Nanochannels, Microchannels, and Minichannels FEDSM2010-ICNMM2010 August 2-4, 2010, Montreal, Canada FEDSM-ICNMM2010-31070 ENTROPY GENERATION IN THERMALLY...
Proceedings Papers

Proc. ASME. ICNMM2009, ASME 2009 7th International Conference on Nanochannels, Microchannels and Minichannels, 345-352, June 22–24, 2009
Paper No: ICNMM2009-82012
... state laminar rarefied gas flow in the entrance region of parallel plate microchannels is investigated by the integral method with slip flow conditions at solid surface. The effects of Knudsen number on friction factor and Nusselt number are presented in graphical form as well as analytical form. Also...
Proceedings Papers

Proc. ASME. ICMM2005, ASME 3rd International Conference on Microchannels and Minichannels, Parts A and B, 503-510, June 13–15, 2005
Paper No: ICMM2005-75160
... 19 11 2008 A numerical model has been developed for studying the flow and heat transfer characteristics of single phase liquid flow through a microchannel. In this work the heat transfer characteristics of pressure driven and electroosmotic flow through microchannels have been studied...
Proceedings Papers

Proc. ASME. ICMM2005, ASME 3rd International Conference on Microchannels and Minichannels, Parts A and B, 577-584, June 13–15, 2005
Paper No: ICMM2005-75042
... 19 11 2008 Experimental results of oil water two-phase flow in a horizontal microchannel with hydraulic diameter of 677 μm are presented. Two series of experiments were performed. The first one was performed with the microchannel initially saturated with a constant oil flow rate. Water...
Proceedings Papers

Proc. ASME. ICMM2005, ASME 3rd International Conference on Microchannels and Minichannels, Parts A and B, 405-409, June 13–15, 2005
Paper No: ICMM2005-75047
... 19 11 2008 In this paper, nitrogen gas flow in long microchannels with square cross section is simulated numerically with a three-dimensional continuum model. The governing equations of the model are solved by a control volume method. Numerical results are verified with analytical...
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
... 19 11 2008 The rapid development of microfabrication techniques creates new opportunities for applications of microchannel reactor technology in chemical reaction engineering. The extremely large volume-to-surface ratio and the short transport path in microchannels enhance heat...