نتایج جستجو برای: cylindrical helical minichannels heat sink
تعداد نتایج: 260745 فیلتر نتایج به سال:
Power semiconductors can be modeled as a thermal network of resistors and capacitors. The thermal boundary condition of such a model is typically defined as the heat sink surface temperature which is assumed to be constant. In reality, the heat sink surface temperature underneath the power module is not exactly known. In this paper we show how to set up a thermal model of the heat sink in form ...
It has been more than a decade since the thermal conductivity of vertically aligned carbon nanotube (VACNT) arrays was reported possible to exceed that of the best thermal greases or phase change materials by an order of magnitude. Despite tremendous prospects as a thermal interface material (TIM), results were discouraging for practical applications. The primary reason is the large thermal con...
Received: 12 November 2002 / Accepted: 22 May 2003 / Published: 31 December 2003 __________________________________________________________________________________ Abstract: Based on a model of a two-heat-reservoir heat engine with a finite high-temperature source and bypass heat leak, the optimal configuration of the cycle is found for the fixed cycle period with another linear heat transfer l...
Article history: Received 23 December 2009 Received in revised form 10 June 2010 Accepted 10 June 2010 Available online 16 July 2010
The book is not just another " pep talk " on The Kitchen Sink and How to Learn to Like It. Its stated purpose is "to discuss how the ingrained ideas which we have inherited, affect us, as women to-day, and to try to decide whether a woman ought to try to adapt herself to them, or whether it is the old pattern that wants adapting". It seems to be directed mainly to the wife and mother of young a...
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Flow boiling in miniand microchannels offer very high heat transfer capabilities and find applications in many emerging technologies, such as electronics cooling and fuel cells. The low flow rate employed in such geometries, coupled with the small flow channels, often results in a laminar flow with all flow as liquid. Since the single-phase flow with all liquid is in the laminar range, the flow...
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