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

Translated title of the contribution: Investigation on fouling of enhanced tubes used in a cooling tower water system based on a long-term test

Chao Shen, Rong Gao, Xinlei Wang, Yang Yao

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Translated title of the contributionInvestigation on fouling of enhanced tubes used in a cooling tower water system based on a long-term test
Original languageFrench
Pages (from-to)9-18
Number of pages10
JournalInternational Journal of Refrigeration
Volume104
DOIs
StatePublished - Aug 2019

Keywords

  • Enhanced tubes
  • Fouling
  • Fouling model
  • Pressure drop
  • Thermal resistance

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering

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