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Predicting thermal performance of a closed-wed cooling tower for chilled ceilings.

Author(s) : GAN G., RIFFAT S. B.

Type of article: Article

Summary

Computational fluid dynamics (CFD) is applied to the prediction of thermal performance of a prototype closed-wet cooling tower for chilled ceilings. The work shows that the performance of the prototype cooling tower can be improved by several methods. The methods include: optimising the air flow rate and the mass flow ratio of spray water to supply air so as to increase the effectiveness of evaporative cooling; installing baffles under the heat exchanger to distribute air and water flows uniformly; and reducing the transverse pitch (tube centre-to-centre distance normal to the flow direction) of the existing heat exchanger to enhance heat transfer between tubes and air.

Details

  • Original title: Predicting thermal performance of a closed-wed cooling tower for chilled ceilings.
  • Record ID : 2001-1519
  • Languages: English
  • Source: Build. Serv. Eng. Res. Technol. - vol. 20 - n. 4
  • Publication date: 1999
  • Document available for consultation in the library of the IIR headquarters only.

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