Proceedings of the SAREK Conference (대한설비공학회:학술대회논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Effects of flow direction on the performance of an indirect evaporative cooler

유동 방향이 간접 증발식 냉각기 성능에 미치는 영향

  • Choo, Hyun-Seon (Department of Mechanical Engineering Graduate School, Hanyang University) ;
  • Lee, Kwan-Soo (Department of Mechanical Engineering, Hanyang University) ;
  • Lee, Dae-Young (Korea Institute of Science & Technology)
  • 추현선 (한양대학교 대학원) ;
  • 이관수 (한양대학교 공과대학 기계공학부) ;
  • 이대영 (한국과학기술연구원 열.유동제어연구센터)
  • Published : 2006.06.21
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Abstract

Ren et al. analyzed the performance of the indirect evaporative cooler according to the direction of the flow considering evaporation water flow and wetness. However the effect of NTU of each channel on the performance of the indirect evaporative cooler according to the direction of the flow was not analyzed exactly. In this study the effect of the direction of the flow on the Indirect evaporative cooling performance changing NTU of each channel are investigated theoretically. The cooling process of the indirect evaporative cooler by flow direction is modeled into a set of linear differential equations and solved to obtain the exact solutions to the temperatures of the hot fluid, the moist air, and evaporation water. Based on the exact solution in the case of different NTU of each channel, we study the change of the distribution of the temperature according to each flow direction and at the same time analyze the effect of the flow direction on the cooling performance.

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