Development of Liquid Cooling for PCs

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Examensarbete på grundnivå
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2011
Författare
Thorén, Jonas
Widell, Anton
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In recent years, existing solutions for cooling personal computer CPUs have been supplemented by a new product category, factory sealed water cooling loops. These systems, consisting of a water block with an integrated pump, a fan and a radiator, perform well compared to the air cooling solutions but are less effective than larger, custom-built water cooling systems. This project aims to explore the most important aspects of a factory sealed system and to identify possible cost-effective enhancements of the performance. The most significant differences between the different groups of water cooling loops are the block design and the pumping power. The performance of both categories is also largely dependent on the fan power, but increasing fan power has a large negative impact on the noise level. Both radiator size and fan model choice appear, in tests, to be relatively unimportant, presuming that the noise level is kept constant. The position and direction of the fan, however, has significant impact on both the temperature and the sound level. Water blocks can be designed in several different ways, both regarding the heatsink design and the flow direction. In simulation, flow with the inlet centered above the heatsink result in considerably lower pressure drop and slightly higher temperatures than flow through the block, for heatsinks with fin arrays. Creating a competitive product in this product segment certainly seems possible, as there are performance-increasing changes to be made that seemingly has little impact on the production cost. Computer simulations are deemed to be suitable for the development of the block.
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Innovation och entreprenörskap (nyttiggörande), Materialvetenskap, Övrig bearbetning/sammanfogning, Innovation & Entrepreneurship, Materials Science, Other processing/assembly
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