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Heat and Mass Transfer

, Volume 48, Issue 10, pp 1767–1771

First Online: 08 June 2012Received: 09 March 2011Accepted: 23 May 2012


In the present experimental investigation, the liquid cooling in the micro channel fin heat sink with and without thermoelectric for central processor unit CPU of personal computer. The micro channel heat sinks with two different channel height are fabricated from the aluminum with the length, the width and the base thickness of 28, 40, 2 mm respectively. The de-ionized water is used as coolant. Effects of channel height, coolant flow rate, and run condition of PC on the CPU temperature are considered. The liquid cooling in micro-rectangular fin heat sink with thermoelectric is compared with the other cooling techniques. The thermoelectric has a significant effect on the CPU cooling of PC. The experiments are performed at no load and full load conditions within 60 min after steady state, which the mass flow rate are 0.023, 0.017 and 0.01 kg-s. The results heat transfer rate increase with increasing coolant flow rate and higher channel. When comparing with the other cooling system, cooling system with thermoelectric gives the highest efficiency. However, thermoelectric has the high or low heat transfer rate from heat rejected and cooling capacity conditions.

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Author: Osot Khonsue

Source: https://link.springer.com/

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