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Document IIF

Étude sur l’encrassement des tubes améliorés utilisés dans un système d’écoulement d’eau d’une tour de refroidissement basée sur une longue phase de tests.

Investigation on fouling of enhanced tubes used in a cooling tower water system based on a long-term test.

Auteurs : SHEN C., GAO R., WANG X., et al.

Type d'article : Article, Article de la RIF

Résumé

In order to investigate the fouling of enhanced tubes, a continuous fouling test on eight enhanced tubes and one plain tube was conducted for 98 days, using a medium fouling potential water as the test water at a water velocity of ~1.6 m/s. Four periods were defined for fouling development based on the test data in this work: introduction period, initial deposit period, rapid deposit period, and stabilization period. The rank of asymptotic fouling resistance of nine test tubes was as follows: Tubes 9 > 7 > 6 > 5 > 1 > 3 > 4 > 2 > 8. The pressure drops of the nine tubes increased by 0.1 kPa to 1.32 kPa due to fouling deposit at the end of the fouling test. A fouling resistance prediction model was developed, which had a maximum error of 0.0645 for predicting the fouling resistance ratio.

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Format PDF

Pages : 9-18

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Détails

  • Titre original : Investigation on fouling of enhanced tubes used in a cooling tower water system based on a long-term test.
  • Identifiant de la fiche : 30026559
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 104
  • Date d'édition : 08/2019
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2019.05.003

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