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EXPERIMENTAL ANALYSIS OF UN-UNIFORM FIN WIDTH HEAT SINKS WITH BASE PLATE | ||
| Iranian Journal of Science and Technology Transactions of Mechanical Engineering | ||
| شناسنامه علمی شماره، دوره 38، M1، تیر 2014، صفحه 79-90 اصل مقاله (478.92 K) | ||
| شناسه دیجیتال (DOI): 10.22099/ijstm.2014.1929 | ||
| چکیده | ||
| The thermal performances of the heat sink with un-uniform fin width designs with base plates and carbon nano tube coating were investigated experimentally and numerically. Realistic, manufacturable geometries are considered for minimizing thermal resistance at low velocity. The parameters include the Reynolds number (Re = 5000 - 25000), five fin width design (Type - a to Type - e), three base plates (copper, ccc and copper-diamond composite) and carbon nano tube coating. In this study, the effects of base plates and nano coating on thermal performance of heat sinks with un-uniform fin width are experimentally studied. Experimental results show that among the many design parameters such as base plates and nano coating, composite base plate has a more significant influence on the thermal performance of heat sinks. It is also found that there is potential for optimizing the un-uniform fin width heat sinks with base plates and nano coating. | ||
| کلیدواژهها | ||
| Base plates and nano coating؛ forced cooling of electronic devices؛ Computational fluid dynamics؛ ununiform fin width heat sinks | ||
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