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Increase of the efficiency of the heat transfer phase in solid sorption or reaction systems.

Author(s) : ZIEGLER F., SATZGER P.

Type of article: Article

Summary

An important drawback of solid sorption systems which are operated in batch mode against liquid sorption systems is the imperfect heat exchange between loaded and unloaded adsorbent, as compared to the almost perfect counter-flow solution heat exchanger. The authors discuss a simple hardware solution for a significant improvement and divide the batch reactors into several compartments, not with respect to the refrigerant side, but with respect to the heat transfer medium (heat exchanger loop). If these compartments have individual and arbitrary heat exchange possibilities with each other, the efficiency of heat recovery can be improved from a co-flow characteristic to a cross-flow characteristic. The authors want to stress that this is different from a multibed or multistage arrangement. The method is explained, and an algorithm for deriving the exchange efficiency is given. Although this paper is only meant for outlining the basic mechanism, a proposition for realisation of the external hydronic circuit is given in addition.

Details

  • Original title: Increase of the efficiency of the heat transfer phase in solid sorption or reaction systems.
  • Record ID : 2006-1213
  • Languages: English
  • Subject: Technology
  • Source: International Journal of thermal Sciences - vol. 44 - n. 12
  • Publication date: 2005/12

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