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In this paper, a molecular dynamics simulation method is carried out to simulate the coefficient of heat transfer at the interface between CNTs and water in the carbon nano-tubes micro-channel cooler. The influences of temperature and the boundary velocity on the CNTs heat transfer coefficient are considered. It is shown that: with the temperature increasing, the heat transfer coefficient between...
Micro-channel cooler is a very promising approach to meet the requirements of microelectronics package cooling. A lot of investigations about micro-channels have been undertaken in the past years. A silicon micro-channel can remove 790 W/cm2 heat with a temperature rise of 71 degrees between the substrate and the coolant. The width and height of the silicon channel are 50 mum and 302 mum separately...
Micro-channels are generally regarded as an effective method for the heat transfer in electronic products, and much effort has been put into improving their capacities. At the same time, carbon nanotubes have shown great potential in the field of heat transfer. This paper focuses on the microchannel heat sinks combined with carbon nanotubes. A series of 3D models had been created, and the heat transfer...
The micro-channel heat sink (MCHS) is almost using a separate production of silicon or copper MCHS, which is indirectly on package dimensions. Using this package structure of the heat sink, the temperature of its central region is much higher than the surrounding region. It makes the surface of the hot load non-uniformly. At present, most of the studies have adopted the uniform thermal load, regardless...
Since the pioneering work by Tuckerman & Pease, lots of publications about heat sink have been researched in the last decade. Many enhancements are suggested in order to increase the critical heat current of heat sink including nanofluids which are solid-liquid mixtures composed of nanoparticles and basic liquid. The values of the thermal properties of nanofluids are enhanced to a large degree,...
Electronic chips are now working at higher temperatures than they were before. It is impossible for electronic products to achieve 100% efficiency, the problems about heat manage is becoming more and more. Many experiments were performed to explore the benefits of micro-channel cooling. In the published experiments, the location of the fluid entrance are different. In order to analyze the effect of...
Compared to conventional metal heat sinks, CNT-based microfins have exceptional advantage to drag heat out from electronic components due to the unique thermal and mechanical properties of the material. This paper will review the state of CNTs applied as cooling fins in microelectronic systems. The latest progresses will be presented.
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