Share

IIR document

A numerical model for a dew-point counter-flow indirect evaporative cooler using a modified boundary condition and considering effects of entrance regions.

Author(s) : JAFARIAN H., SAYYAADI H., TORABI F.

Type of article: Article, IJR article

Summary

A numerical model for dew-point counter-flow indirect evaporative coolers was presented. Unlike the conventional models, a more realistic boundary condition on separating wall was obtained by simultaneous solving of momentum, energy, and mass transfer equations of flows coupled. In addition, the model's accuracy was increased through considering 3D hydrodynamical and thermal developing flows. The model predicted the supply air temperature and the results were compared to experimental data as well as previous numerical models. It was shown that the maximum deviation of the supply air temperature was under ±3.53 %. It was found that these modifications on the numerical model reduced the computation error about 41.1 %. Moreover, it was found that the difference between maximum errors of 3D and 2D models was about 4.5 %; however, the 3D model consumes 14 times more CPU time. Finally, the sensitivity of the system's operation was studied using the developed model.

Available documents

Format PDF

Pages: 36-51

Available

  • Public price

    20 €

  • Member price*

    Free

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: A numerical model for a dew-point counter-flow indirect evaporative cooler using a modified boundary condition and considering effects of entrance regions.
  • Record ID : 30022520
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
  • Publication date: 2017/12
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.09.003

Links


See other articles in this issue (26)
See the source

Indexing