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Effect of fresh air purging on the efficiency of energy recovery from exhaust air in rotary regenerators.

Author(s) : WORSE-SCHMIDT P.

Type of article: Article, IJR article

Summary

To prevent the carry-over of contaminated air to the fresh air in rotary heat regenerators, a small part of the incoming fresh air is used to purge the heat transfer matrix during its transfer from the hot to the cold zone. This purging causes a loss in the effectiveness of heat transfer in the regenerator. A simple numerical scheme employing heat transfer theory for elemental heat exchangers has been developed. This scheme was obtained by dividing the gas stream and the "stream" of matrix material into a number of flow channels, and the effect of fresh air purging has been calculated over a wide range of parameters. The results are presented numerically, graphically and in the form of approximate algebraic expressions.

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Pages: 233-239

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Details

  • Original title: Effect of fresh air purging on the efficiency of energy recovery from exhaust air in rotary regenerators.
  • Record ID : 30001887
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 14 - n. 4
  • Publication date: 1991/07

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