Low cost humidity controlled air-conditioning system for building energy savings in tropical climate

Azizuddin Abd Aziz, Daisuke Sumiyoshi, Yasunori Akashi

研究成果: ジャーナルへの寄稿学術誌査読

15 被引用数 (Scopus)

抄録

The viable solution to the high latent load that naturally occurs in tropical regions requires an alternative system that runs at relatively low energy consumption yet be able to provide indoor thermal comfort by effective handling of the excessive humidity. Although the existing outdoor air treatment system is a proven approach, it is unpopular in developing countries due to its high initial cost. In this paper, a new system termed Dual Air Handling Unit system is proposed to be the answer. The function of Humidity-control Air Handling Unit is to remove the moisture from the conditioned room up to the desired humidity level and in the process the room temperature is also fractionally reduced. The Temperature-control Air Handling Unit completes the task by removing the remaining sensible heat so that the room temperature is maintained at the required set-point. By reducing the relative humidity to 50%, a much lower value than that of the normal air-conditioning could offer, room temperature of the new system is shifted higher to 26 °C in order to reduce the energy consumption. The simulation result shows that the proposed system offers energy savings up to 13.2% compared to the conventional air-conditioning system, without compromising the thermal comfort of the occupants.

本文言語英語
ページ(範囲)9-16
ページ数8
ジャーナルJournal of Building Engineering
11
DOI
出版ステータス出版済み - 5月 1 2017

!!!All Science Journal Classification (ASJC) codes

  • 土木構造工学
  • 建築
  • 建築および建設
  • 安全性、リスク、信頼性、品質管理
  • 材料力学

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