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Keywords: Microchannel
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Proceedings Papers

Proc. ASME. MNHMT2019, ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T11A002, July 8–10, 2019
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2019-3935
... Abstract An experimental study of saturated flow boiling in a high-aspect-ratio one-side-heating rectangular microchannel is conducted with deionized water as the working fluid. The bottom surface of the microchannel is constructed of two different material, one is the untreated hydrophilic...
Proceedings Papers

Proc. ASME. MNHMT2013, ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer, V001T11A010, December 11–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2013-22198
... The thermal management of integrated circuits becomes more and more serious since the density of transistors grows gradually. Recently, a new cooling method is dedicated to develop microchannel heat sink with high integrated and high cooling efficiency. In view of above purpose, the heat...
Proceedings Papers

Proc. ASME. MNHMT2012, ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer, 863-870, March 3–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2012-75164
... The Marangoni convections in microchannels are of interest in various applications such as heat transfer, material and microfluidics. In this paper, the Marangoni asymmetrical instability at a T-junction in a microchannel is investigated. The T-junction is formed by a main channel which water...
Proceedings Papers

Proc. ASME. MNHMT2012, ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer, 835-843, March 3–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2012-75054
.... two phase flow microchannel flow patterns pressure drop void fraction bubble velocity EXPERIMENTAL INVESTIGATION OF TWO PHASE FLOW IN MICRO-SIZED CIRCULAR TUBES Y.S. LIM Division of Aerospace Engineering, School of Mechanical and Aerospace Engineering, Nanyang Technological University...
Proceedings Papers

Proc. ASME. MNHMT2012, ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer, 939-946, March 3–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2012-75222
... Attention Marangoni instability in a microchannel is of interest in various heat transfer and microfluidic applications. In this work, a numerical study is conducted on a flat meniscus in a square adiabatic microchannel. The evaporative heat flux is uniform, and thus the initial meniscus...
Topics: Microchannels
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 103-110, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18064
... Experiment was conducted to study steam condensation in horizontal microchannel etched on silicon wafer and bonded by a Pyrex glass plate from the top. The trapezoidal microchannel had a top width of 7943.11μm and depth of 81.77μm with hydraulic diameter of 161.49μm. The experiments were...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 615-623, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18458
... 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 practical circumstances...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 111-118, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18065
... pressure term. The new correlation predicts the existing data sets accurately. Furthermore, Bond number could be used as a criterion to classify a flow path as a micro-channel or conventional channel. Microchannel Adiabatic Two-phase Pressure Drop Bond Number Froude Number Weber Number 1...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 61-70, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18302
... Micro flow, phase change and heat transfer characteristics of an evaporating thin film in a microchannel was investigated using an augmented Young-Laplace model and the kinetic theory for transverse flow in a solid-liquid-vapor triple contact line region. A model considering both wall slip...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 577-582, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18374
... The fractal characterization of the topography of rough surfaces by using Cantor set structures is introduced in this paper. Based on the fractal Cantor surface, a model of laminar flow in rough microchannels is developed and numerically analyzed to study the characterization of surface...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 591-598, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18392
... of channel. Microchannel Lattice Boltzmann BGK method Micro-PIV 1 Copyright © 2009 by ASME Proceedings of MNHMT2009 ASME 2009 2nd Micro/Nanoscale Heat & Mass Transfer International Conference December 18-22, 2009, Shanghai, China MNHMT2009-18392 SIMULATION AND EXPERIMENTAL INVESTIGATION OF MICRO...
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 flow and heat transfer characteristics of water in smooth rectangular microchannels had been simulated numerically by using CFD method. Computational results showed that the ratio of the channel length and hydraulic diameter, hydraulic diameter, the ratio of height and width of microchannels...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 167-176, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18248
... First and second order slip flow models in rectangular microchannels heated at constant and uniform wall temperature are studied. The velocity and temperature profiles for hydrodynamically and thermally developed incompressible slip flow regime available in literature are used. The average...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 653-657, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18554
... MNHMT2009-18554 Experimental Research on Microchannel Heat Exchanger Performance for Residential Air Conditioner Applications Jianghong WU1, Shuangfeng WANG2, Yunting GE3 1School of Mechanical & Automotive Engineering, South China University of Technology Guangzhou 510640, Guangdong, China 2Key...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 199-206, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18271
... Engineering 2 University of South Carolina, Columbia, SC, USA ABSTRACT The present work experimentally investigates the thermal effects of a synthetic jet actuator on the heat transfer performance of single-phase flow confined in a microchannel heat sink. The heat sink consisted of a single rectangular...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 85-92, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18139
... 1 Copyright © 2009 by ASME MNHMT2009-18139 The Influence of Super Gravity on Flow and Heat Transfer Characteristics in Straight Microchannel Youmin XI, Jianzu YU, Yongqi XIE, Hongxia GAO Beijing University of Aeronautics and Astronautics, School of aeronautic science and engineering, Beijing...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 3, 265-270, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18412
... Roughness effects on flow and heat transfer in flat microchannels has been numerically simulated by using CFD with fluid-solid conjugate heat transfer techniques, the surface roughness has been modeled through a series triangular toothed roughness cells. In this paper, the influence...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1, 41-45, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18117
... 18 10 2010 In this study, a parametric investigation on mixing of two fluids in a modified Tesla microchannel, has been preformed. Modified Tesla micromixer applies both flow separation and vortices string principles to enhance the mixing. The fluid stream splits into two sub-streams...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1, 187-194, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18365
... way to manufacture a resistive bulk microheater and high-aspect-ratio microchannel. The electro-thermal property of the proposed microheater has been characterized and verified by finite element analysis and experiment. According to the design concept and experimental results, the largest temperature...
Proceedings Papers

Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1, 59-63, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18178
... by syringe pumps to flow side by side in a straight rectangular microchannel. External electric fields are applied on the two sheath streams. Under the constant inlet volumetric flowrates, the sample stream is delivered to the desired outlet ports using electroosmotic effect. The liquid fractions of sheath...