대한설비공학회:학술대회논문집 (Proceedings of the SAREK Conference)

대한설비공학회 (The Society of Air-Conditioning and Refrigerating Engineers of Korea)
권호 표지

중형공간에서 중앙공조방식과 시스템에어컨 방식에 따른 PMV와 $CO_2$농도, 에너지소비량 비교

Comparison of the PMV and $CO_2$ Concentration, Energy Consumption Characteristics of Central Air-Conditioning System and System Air-Conditioner with Ventilation System for Large Space

  • 성상철 (서울시립대학교 대학원 기계정보공학과) ;
  • 노광철 (연세대학교 기계공학부) ;
  • 진심원 (LG전자 DAC 연구소 에어컨 그룹) ;
  • 오명도 (서울시립대학교 기계정보공학과)
  • Sung, Sang-Chul (Graduate school of Mechanical and Information Engineering, University of Seoul) ;
  • Noh, Kwang-Chul (School of Mechanical Engineering, Yonsei University) ;
  • Chin, Sim-Won (A/C Group of Digital Appliance Company Research Lab., LG Electronics Ltd.) ;
  • Oh, Myung-Do (Department of Mechanical and Information Engineering, University of Seoul)
  • 발행 : 2008.11.21
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초록

PMV, $CO_2$ and the energy consumption performance were numerically investigated in a large space with air-conditioning systems of four type. The numerical results showed that thermal comforts in the occupied zone are nearly similar in three systems except 3-way wall type system air-conditioner with ventilation system installed 2.2m height from the bottom. In case of 3-way wall type system air-conditioner the energy consumption for cooling loads was reduced about 25.5% compared to other air-conditioning systems. From the viewpoint of IAQ, it was turned out that system air-conditioner with ventilation system became worse about 20% compared to central air-conditioning systems for cooling load. The PMV, $CO_2$ concentration and energy consumption of all systems for heating loads were similar in a large space considered.

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