2009
DOI: 10.1016/j.ijheatmasstransfer.2008.08.022
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Fluid flow and convective heat transfer in flat microchannels

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Cited by 85 publications
(46 citation statements)
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“…[290][291][292] An approach used for cooling electronic chips consisting of circulating liquid in microchannels can be used to heat and cool chips using convective heat transfer. [293][294][295] Multiple temperature zones on one chip are easier to implement in fl ow path materials with low thermal conductivity such as polymers instead of materials with high thermal conductivity such as glass or silicon.…”
Section: Temperature Controlmentioning
confidence: 99%
“…[290][291][292] An approach used for cooling electronic chips consisting of circulating liquid in microchannels can be used to heat and cool chips using convective heat transfer. [293][294][295] Multiple temperature zones on one chip are easier to implement in fl ow path materials with low thermal conductivity such as polymers instead of materials with high thermal conductivity such as glass or silicon.…”
Section: Temperature Controlmentioning
confidence: 99%
“…Recently, an importance of this topic arose in the case of microchannels of the microelectromechanical systems (MEMS) [3,4]. An important consequence is that the transport processes under low Reynolds numbers are limited by low rate of laminar (Fickian) gradient diffusion processes.…”
Section: Abstract: a Numerical And Experimental Study Of Multiple Cirmentioning
confidence: 99%
“…Since then, heat transfer in micro-channels has been extensively studied, however, published results are still inconsistent; some studies have found the average Nusselt number to be Reynolds number dependent in the laminar regime [10][11][12], some recorded lower Nusselt numbers [13][14][15] while some recorded higher Nusselt numbers [16][17][18]. Reviews on experimental and numerical studies of heat transfer in microchannels published by Mokrani, Bourouga, Castelain and Peerhossaini [19], Hetsroni, Mosyak, Pogrebnyak and Yarin [20], Rosa, Karayiannis and Collins [21] and Sobhan and Garimella [22] confirm the very large scatter in published results and attribute this to "scaling effects", which arise from neglecting phenomenon which are insignificant in conventional sized channels but become significant with the high channel wall surface to fluid volume ratio in microchannel flow. Some examples of these include surface roughness [14], entrance and exit effects [23,24], axial conduction effects [15,25], thermal boundary conditions [26], viscous dissipation effects [27], electric double layer [28] and increased measurement uncertainties [29].…”
Section: Introductionmentioning
confidence: 99%