Analysis of microchannels for integrated cooling

Some Important Problems and Progress in Micro / Nano-scale Thermal Science and Engineering

“…With the current micro-system and nanotechnology rapid development, a variety of refreshing micro-heat exchanger is still endless. The development of modern micromanufacturing technology has made the processing by a number of hydrodynamic diameter between 10 -103μm micro-pipe composition of the heat exchanger possible [29] such flow channels or staggered fins are usually made on silicon, metal or other suitable material sheets, each of which may be a separate plate heat exchanger, or may be stacked and welded together to form a parallel Flow or countercurrent heat exchangers (Figure 4). Channel and fins can be photolithographically or by means of a micro-tool made by precision cutting on a sheet.…”

Microchannel Simulation

“…Currently, research in the field of microchannels is going on in three aspects of experimental methods [2,3,4], numerical methods [5,6,7,8], and analytical methods [9,10,11,12]. It is well known that the cross-sectional shape of a channel can have significant affect on the fluid flow and heat transfer characteristics in microchannels.…”

“…Wesberg et al [8] solved a two-dimensional conjugate heat transfer problem for microchannel heat sinks to obtain detailed spatial distributions of the temperature of the heat sink cross-section along the length of the channels. Fedorov and Viskanta [6] developed a three dimensional model to investigate the conjugate heat transfer in a microchannel heat sink with the same channel geometry used in the experimental work done by Kawano et al [14].…”

Advanced Micro-Heat Exchangers for High Heat Flux

“…Most of the research in the field has been focused on flow paths having constant cross-sections and straight microchannels [3,4]. Because the channels are small, liquid always flows in laminar regime.…”