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COMSOL Derived Universal Scaling Model For Low Reynolds Number Viscous Flow Through Microfabricated Pillars – Applications to Heat Pipe Technology
Publié en 2009
Cooling of high-power density electronic devices remains a challenge. Microfluidic heat-pipes with the potential of achieving ultra-high thermal conductivities offer a low-cost technology for cooling electronics. To achieve high thermal conductivity, it is critical to maximize the rate of liquid transport inside the heat pipe. We propose a novel array of microfabricated pillars to maximize liquid transport. Such pillars generate high capillary pressure that spontaneously supports a high rate of liquid transport. However, the pillars have to be ingeniously designed such that the viscous drag experienced by the liquid at the pillar surface is minimal.
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