A honeycomb porous micro channel cooling system for cooling of electronic chips was proposed. Experimental investigation was conducted to determine the heat transfer characteristics and cooling performance of this micro channel cooling system. The heat transfer capabilities of the cooling system with different pipe diameters, different working media and various pumping power were evaluated. The influences of working flow rate and test system on the cooling performance were also analyzed experimentally. The results showed that the better cooling capability of the system not only relied on the increasing pump power, but also the agreement between pumps diameters and system pipes diameters. The thermo-physical characters and mass flow rate of the working fluid were also important to the system performance.

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