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2019 Vol.13, Issue 5 Preview Page

Research Article

Cooling Performance Evaluation of Open-type Ceiling Radiant Cooling Panel System depending on Opening Area

개방형 천장복사냉방패널 시스템의 개구부 면적에 따른 냉방 성능 평가

Mi-Su Shin1
,
Kyu-Nam Rhee2*
신 미수1
,
이 규남2*
1Independent scholar
2Department of Architectural Engineering, Pukyong National University
1Independent scholar
2부경대학교 건축공학과
* Corresponding Author
30 October 2019. pp. 358-369
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Abstract

The present study was conducted to evaluate the cooling performance of open-type cooling radiant ceiling panel (CRCP) system, which is gaining popularity due to good integration with architectural design. Using the cooling capacity data from the previous study, the cooling performance of open-type CRCP system was investigated in terms of room temperature control and energy performances. The CRCP system was represented with the chilled ceiling module provided by TRNSYS 18, wherein the heat transfer coefficient and panel area of the open-type CRCP system were inputted as parameters of chilled ceiling module. The results showed that the room temperature control performance can be improved by open-type CRCP system because it can reduce the cooling time by utilizing higher cooling rate than closed-type CRCP. It was found that the open-type CRCP can increase the cooling rate by 1%~23% and can reduce the operating hour by 5%~19%. It was also found that the open-type CRCP can increase chilled water temperature difference and can provide the higher cooling rate with relatively higher chilled water temperature, which can contribute to the improvement of the chiller efficiency.

Keywords
Ceiling radiant cooling panel (CRCP)
Open-type
Opening area
Room temperature control
Heat removal
Operating hour

키워드
천장복사냉방패널 (CRCP)
개방형
개구부면적
실온제어
제거열량
냉방시간
References
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Information
  • Publisher :Korean Institute of Architectural Sustainable Environment and Building Systems
  • Publisher(Ko) :한국건축친환경설비학회
  • Journal Title :Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
  • Journal Title(Ko) :한국건축친환경설비학회논문집
  • Volume : 13
  • No :5
  • Pages :358-369
  • Received Date : 2019-09-03
  • Revised Date : 2019-10-07
  • Accepted Date : 2019-10-07
  • DOI :https://doi.org/10.22696/jkiaebs.20190031
Journal Informaiton Journal of Korean Institute of Architectural Sustainable Environment and Building Systems Journal of Korean Institute of Architectural Sustainable Environment and Building Systems
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