Results 161 to 170 of about 5,664 (208)
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Analysis of microchannel heat exchangers using FEM
International Journal of Numerical Methods for Heat & Fluid Flow, 2001A finite element method is applied to evaluate the performance of microchannel heat exchangers that are used in electronic packaging. The present approach is validated against the CFD data available in the literature. A comparison of the predicted results with other available results obtained from different concepts shows that the present method is ...
Quadir, G. A. +2 more
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Axial Heat Conduction in Counter Flow Microchannel Heat Exchangers
Heat Transfer: Volume 2, 2008This paper analyzes the effect of axial heat conduction on the thermal performance of a balanced counter flow microchannel heat exchanger. The ends of the wall separating the coolants are subjected to the mixed-boundary condition. Analytical equations were developed for predicting the axial temperature of the fluids and the wall as well as the ...
B. Mathew, H. Hegab
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Axial Heat Conduction in Parallel Flow Microchannel Heat Exchangers
Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 2009This paper deals with the effect of axial heat conduction on the hot and cold fluid effectiveness of a balanced parallel flow microchannel heat exchanger. The ends of wall separating the fluids are subjected to Dirichlet boundary condition. This leads to heat transfer between the microscale heat exchanger and its surroundings and thereby leading to ...
B. Mathew, H. Hegab
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Thermal Performance of Crossflow Microchannel Heat Exchangers
Industrial & Engineering Chemistry Research, 2010Forced-convection heat transfer in a crossflow microchannel heat exchanger (MCHE) was investigated via experiment. The microchannels on the plates of the MCHE were machined using a chemical etching method from 0.4-mm-thick stainless steel plates, and the plates were bonded together by vacuum diffusion bonding.
Haishan Cao, Guangwen Chen, Quan Yuan
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Methodology of optimization for microchannel heat exchanger
Twenty-Second Annual IEEE Semiconductor Thermal Measurement And Management Symposium, 2006Heat generation from very large-scale integrated (VLSI) circuits increases with the advent of high-density integrated circuit technology. One of the promising techniques is liquid cooling by using microchannel heat exchanger. This work proposes a scheme for microchannel heat exchanger optimization with the constraint of pump. The cooling performance of
null HeeSung Park +3 more
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Modeling Fractal-Like Branching Microchannel Heat Exchangers
Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 2010A one-dimensional model for single-phase flow in a fractal-like branching microchannel heat exchanger was developed to estimate bulk fluid temperature and pressure distributions in co-flow and counter-flow configurations. The model assumes incompressible flow with thermally and hydrodynamically developing boundary layers.
Douglas B. Heymann, Deborah V. Pence
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Numerical Simulation of Manifold Microchannel Heat Exchanger
Volume 8: Heat Transfer and Thermal Engineering, 2016The quest to achieve higher heat transfer rate, smaller size and minimum pressure drop is a main area of focus in the design of heat exchangers. Plate heat exchangers are one of viable candidates to deliver higher heat duties but still have a drawback of higher pressure drop due to long restricted flow path.
Muhammad Ansab Ali +2 more
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Impact of airside fouling on microchannel heat exchangers
Applied Thermal Engineering, 2018Abstract In this study, the performance of the microchannel heat exchanger (MCHX) in domestic refrigerators was tested before and after fouling. The louvre-fin and plain-fin heat exchanger (HX) with fin pitches from 1.5 mm to 3 mm were tested.
Chengquan Zhang +5 more
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A Microchannel Heat Exchanger for Electronics Cooling Applications
ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, 2008The power consumption of electronic devices, such as semiconductor diode laser bars, has continually increased in recent years while the heat transfer area for rejecting the associated thermal energy has decreased. As a result, the generated heat fluxes have become more intense making the thermal management of thes systems more complicated. Air cooling
Joseph Dix, Amir Jokar, Robert Martinsen
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Diffusion-Welded Microchannel Heat Exchanger for Industrial Processes
Journal of Thermal Science and Engineering Applications, 2013The goal of next generation reactors is to increase energy efficiency in the production of electricity and provide high-temperature heat for industrial processes. The efficient transfer of energy for industrial applications depends on the ability to incorporate effective heat exchangers between the nuclear heat transport system and the industrial ...
Piyush Sabharwall +4 more
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