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Impact des gaz non condensables sur la performance des échangeurs de chaleur à thermosiphon en circuit.

The effects of non-condensable gases on the performance of loop thermosiphon heat exchangers.

Auteurs : DUBE V., AKBARZADEH A., ANDREWS J.

Type d'article : Article

Résumé

The effects of 'Non-Condensable Gases' (NCG) on the performance of 'Loop Thermosiphon Heat Exchangers' (LTHE) used in industrial waste heat recovery systems were investigated experimentally and theoretically. The optimum location for installing a reservoir to trap NCG and minimize their adverse effect on effectiveness was identified. A procedure to calculate the size of a reservoir such that all the NCG present in the LTHE system can be trapped in it at a predetermined working fluid temperature is presented. For an NCG-loaded LTHE the temperature determining the onset of heat recovery, the optimum operating temperature, and the maximum operating temperature were determined.

Détails

  • Titre original : The effects of non-condensable gases on the performance of loop thermosiphon heat exchangers.
  • Identifiant de la fiche : 2005-0633
  • Langues : Anglais
  • Source : Applied Thermal Engineering - vol. 24 - n. 16
  • Date d'édition : 11/2004

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