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Document IIF

Distributions non uniformes de frigorigène et d'écoulement d'air : influence sur la performance d'un évaporateur à tubes ailetés.

Effects of non-uniform refrigerant and air-flow distributions on finned-tube evaporator performance.

Auteurs : CHOI J. M., PAYNE W. V., DOMANSKI P. A.

Résumé

An experimental investigation was conducted to determine the capacity degradation due to non-uniform refrigerant and air flow distributions, and to assess the potential to recover the lost capacity by controlling refrigerant distribution between individual refrigerant circuits. The tests were performed on a three-circuit, three-depth-row, finned-tube evaporator. For the heat exchangers and air misdistributions studied, the maximum capacity degradation was 8.7%. A 4% capacity recovery was obtained by controlling refrigerant distribution to maintain the target 5.6 °C superheat at each circuit exit.

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Détails

  • Titre original : Effects of non-uniform refrigerant and air-flow distributions on finned-tube evaporator performance.
  • Identifiant de la fiche : 2004-0131
  • Langues : Anglais
  • Source : 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
  • Date d'édition : 17/08/2003

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