Thermoelectric cooling of microelectronic circuits and waste heat electrical power generation in a desktop personal computer |
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Authors: | CA Gould NYA Shammas S Grainger I Taylor |
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Affiliation: | Staffordshire University, Faculty of Computing, Engineering and Technology, Beaconside, Stafford, UK |
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Abstract: | Thermoelectric cooling and micro-power generation from waste heat within a standard desktop computer has been demonstrated. A thermoelectric test system has been designed and constructed, with typical test results presented for thermoelectric cooling and micro-power generation when the computer is executing a number of different applications. A thermoelectric module, operating as a heat pump, can lower the operating temperature of the computer's microprocessor and graphics processor to temperatures below ambient conditions. A small amount of electrical power, typically in the micro-watt or milli-watt range, can be generated by a thermoelectric module attached to the outside of the computer's standard heat sink assembly, when a secondary heat sink is attached to the other side of the thermoelectric module. Maximum electrical power can be generated by the thermoelectric module when a water cooled heat sink is used as the secondary heat sink, as this produces the greatest temperature difference between both sides of the module. |
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Keywords: | Thermoelectric Peltier Cooling Micro-power generation Seebeck |
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