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Mini-tubes to cool electronic chips.

Type of article: Article

Summary

The tube when placed along-side of a hot object picks up the heat. Water forced through the tube absorbs the heat and boils creating thousands of tiny bubbles. The expanding bubbles are flushed out removing the heat and fresh water circulated at the entrance and the cooling continues. In the micro-channel, the main innovation lies in the fact that a boiling liquid removes more heat than a straight forward liquid coolant. In their study, Mudawar's team recently used a single tube to dissipate the equivalent of 27,000 W/square cm from a heated plate focusing all their energy onto half a postage stamp. The earlier record was 22,000 W/square cm achieved by Soviet scientists almost twenty years ago.

Details

  • Original title: Mini-tubes to cool electronic chips.
  • Record ID : 1996-2556
  • Languages: English
  • Source: New Sci. - vol. 145
  • Publication date: 1995

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