Theoretical and computational analysis of closed wet cooling towers and its applications in cooling of buildings

Ala Hasan (Corresponding Author), Kai Sirén

Research output: Contribution to journalArticleScientificpeer-review

51 Citations (Scopus)

Abstract

Theoretical analysis and computational modelling of closed wet cooling towers (CWCTs) are presented. Experimental measurements for performance of a prototype tower are used to define the tower transfer coefficients. Tower flow rates and number of tubes and rows are optimised for the required cooling load and to achieve a high coefficient of performance (COP). The performance of a cooling system used to cool office buildings is simulated using the transient system (TRNSYS) simulation environment. The cooling system consisted of a CWCT, chilled ceilings, pumps and a fan. A control strategy, including night cooling, is introduced in the simulation. The results indicate efficient performance and high COP values for the system.

Original languageEnglish
Pages (from-to)477-486
Number of pages10
JournalEnergy and Buildings
Volume34
Issue number5
DOIs
Publication statusPublished - Jun 2002
MoE publication typeA1 Journal article-refereed

Keywords

  • Chilled ceiling
  • Cooling tower
  • Simulation
  • Tower model

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