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Three-dimensional evaporation process in aqua-ammonia absorption refrigerators using helium as inert gas.

Author(s) : KOUREMENOS D. A., STEGOUSAGIA A., ANTONOPOULOS K. A.

Type of article: Article, IJR article

Summary

Helium is proposed as a hydrogen substitute in inert gas absorption refrigerators, in order to eliminate the danger of a possible explosion. The analysis is based on a finite-difference solution of the three-dimensional momentum, heat and mass transfer differential equations within a nearly horizontal evaporation tube. Calculations are also performed using hydrogen instead of helium in order to compare their behaviour as inert gases in aqua-ammonia absorption refrigerators. Under corresponding conditions, higher entropy increase and cooling capacity are observed in the case of helium. Generally, the behaviour of the latter is deemed satisfactory and therefore helium may replace hydrogen.

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Pages: 58-67

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Details

  • Original title: Three-dimensional evaporation process in aqua-ammonia absorption refrigerators using helium as inert gas.
  • Record ID : 1994-0897
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 17 - n. 1
  • Publication date: 1994/01

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