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Étude expérimentale sur la résistance de l'écoulement d'air d'un condenseur évaporatif avec de l'eau distribuée sur chaque tube.

[In Chinese. / En chinois.]

Auteurs : LI T., OUYANG X.

Type d'article : Article

Résumé

There are a lot of advantages when water is distributed on every tube respectively. The influences of the spray water flow rate
and the air velocity on the air flow resistance of evaporative condenser with water distributed among the whole tube bundle structure were investigated, and conventional spraying water structure was compared with the new structure. The experiment was carried out on the condition that the water flow rate was 0.5 - 1.2 m3 / h and the air velocity was 0.5 - 4.0 m/s. The results show that the air flow resistance of this new structure decreases 11.5% at parallel-flow mode and 49.7% at counter-flow mode respectively. In addition , at counter-flow mode, the air flow resistance increases suddenly when the air velocity is 3.5 m/s, which is higher than that of traditional evaporative condenser. Energy-saving is about 2% , comparing with the conventional spray water structure when used in refrigeration system.

Documents disponibles

Format PDF

Pages : 30-35

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

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