설비공학논문집 (Korean Journal of Air-Conditioning and Refrigeration Engineering)

  • 제20권5호
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  • Pages.304-313
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  • 2008
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  • 1229-6422(pISSN)
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  • 2465-7611(eISSN)
대한설비공학회 (The Society of Air-Conditioning and Refrigerating Engineers of Korea)
권호 표지

시스템 에어컨 설치 공간의 실내공기질 특성에 관한 연구

A Study on Characteristics of Indoor- Air-Quality in Interior Space Equipped with System Air-Conditioner

  • Lee, Sang-Won (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Kim, Jong-Min (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Yeum, Seung-Won (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Cho, Dae-Gun (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Choi, Jae-Boong (School of Mechanical Engineering, Sungkyunkwan University) ;
  • Kim, Seok-Woo (Samsung Electronics Co. LTD.)
  • 발행 : 2008.05.10
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초록

This paper investigates the indoor-air-quality (IAQ) characteristics of the interior space equipped with system air-conditioner. The behaviors of individual variables such as temperature, humidity and concentration of carbon dioxide ($CO_2$) that influence on IAQ of the interior space were characterized under various cooling conditions by numerical and experimental studies. The numerical analysis predicting the temperature behavior of the interior space was conducted, and its results showed a good agreement with the experimental ones. The $CO_2$ concentration and humidity were measured and their time dependent behaviors were monitored and analyzed. From the results, it was found that there existed the differences of the time-dependent behaviors of IAQ variables according to the locations. In addition, it is demonstrated that the large discharge angle of $45^{\circ}$ made the temperature profile more irregular and the high discharge flow of 5.34 m/s produced similar temperature profiles at three different sensing locations. Finally, the humidity of interior space was less sensitive to the changes of the air cooling conditions than the case of temperature and the $CO_2$ concentration increase mainly depended on the number of individuals inside the space.

키워드

참고문헌

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