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심야전력을 이용한 축열식 전기온풍기 및 비축열식 전기패널 바닥난방의 실내온열환경 비교
양창남,임홍성,최동호 濟州大學校 産業技術硏究所 2000 산업기술연구소논문집 Vol.11 No.1
In this paper, we analyzed the characteristics of indoor heating environment by the electric panel heating system without thermal storage developed from the traditional under-floor heating system. and compared them with the ones by the electric heating system with thermal storage. From the experimental study. we observed little temperature difference of the upper and lower of space as well as the horizontal temperature distribution. The electric panel heating system makes the constant indoor temperature and more comfortable. However. we observed that the electric heating system with thermal storage is more economical than the electric panel heating system.
심야전력을 이용한 축열식 전기온풍기 및 비축열식 전기패널 바닥난방의 실내온열환경 비교
양창남,임홍성,최동호 제주대학교 산업기술연구소 2000 尖端技術硏究所論文集 Vol.11 No.1
In this paper, we analyzed the characteristics of indoor heating environment by the electric panel heating system without thermal storage developed from the traditional under-floor heating system, and compared them with the ones by the electric heating system with thermal storage. From the experimental study, we observed little temperature difference of the upper and lower of space as well as the horizontal temperature distribution. The electric panel heating system makes the constant indoor temperature and more comfortable. However, we observed that the electric heating system with thermal storage is more economical than the electric panel heating system.
심야전력을 이용한 축열식 전기온풍기 및 비축열식 전기온풍기, 전기방열기의 난방특성 비교
최동호,양창남 濟州大學校 産業技術硏究所 1999 산업기술연구소논문집 Vol.10 No.2
This paper examines the characteristics of electric heating system using off-peak electricity and compares the heating characteristics of electric heating and radiant systems. And we examined the comfort of occupants according to the heating systems by measuring the superficial temperature of human body models which is located in experimental space. From this study, we obtained the brief results as follows. The electric heating system with thermal storage have several advantages, one of which is to be able to maintain the optimal indoor temperature in a very short time at the beginning of heating due to the radiant heat and the control of indoor temperature deterioration. We confirmed that the electric heating system with thermal storage of heating systems considered in this experiment might improve the comfort of occupants by comparing the temperature difference between the upper and lower space.
심야전력을 이용한 축열식 전기온풍기와 비축열식 전기방열기의 난방특성 및 실내온열환경 평가에 관한 연구
최동호,양창남,임홍성 대한건축학회 2003 대한건축학회논문집 Vol.19 No.2
This paper examines the characteristics of electric hot air heating system using off-peak electricity and compares the heating characteristics of electric radiant heating system. And we examined the comfort of occupants by either measuring the indoor air temperature distribution in experimental space with the heating systems, or calculating the indoor thermal comfort indexes like PMV, PPD, MRT, ET^(*) and SET^(*). From this study, we obtained the brief results as follows. The electric hot air heating system with thermal storage have several advantages, one of which is to be able to maintain the optimal indoor temperature in a very short time at the beginning of heating due to the radiant heat transfer and the control of indoor temperature deterioration. The results show that during day-time, difference of temperature between the upper and lower space was relatively big to around 4℃ in the electric radiant heating system without thermal storage. As the result of calculating thermal comfort indexes of indoor thermal environment equipped with either electric hot air heating system with thermal storage or electric radiant heating system. Each space equipped with one of them maintained favorable indoor thermal environment, except indoor thermal environment indexes exceeded the optimal thermal scope from the outset of heating to stabilization of indoor temperature in the space equipped with electric radiant heating system.
심야전력을 이용한 축열식 전기온풍난방과 비축열식 바닥전기패널난방의 난방특성 및 실내온열환경 평가에 관한 연구
최동호,양창남,임홍성 대한건축학회 2003 대한건축학회논문집 Vol.19 No.11
From the viewpoint of the indoor temperature distribution and the indoor comfort of thermal environment, this study investigates the heating characteristics of electric hot air heating system with thermal storage using off-peak electricity and floor electric panel heating system without thermal storage. Considering the effects that the thermal characteristics like the characteristics of thermal storage and time-lag of building structures measured by the heating systems investigated, this study quantitatively estimated the problems to be able to appear during the heating and the degree of the satisfaction on the thermal environment. From this study, it was observed that the electric hot air heating system with thermal storage exhibits more temperature difference between the top and bottom in the space than the floor electric panel heating system without thermal storage. And the former system has advantages that it is more superior in the indoor thermal environment in spite of a little deterioration of indoor temperature at the end of the heating and is more economic than the latter system, and is able to control the deterioration of indoor temperature during off-heating. It was confirmed that the floor electric panel heating system without thermal storage requires a long time to reach the stable indoor temperature after the beginning of the heating, and can keep a constant indoor temperature and improve the indoor comfort.
심야전력을 이용한 축열식 전기온풍기 및 비축열식 전기온풍기, 전기방열기의 난방특성 비교
최동호,양창남 제주대학교 산업기술연구소 1999 尖端技術硏究所論文集 Vol.10 No.2
This paper examines the characteristics of electric heating system using off-peak electricity and compares the heating characteristics of electric heating and radiant systems. And we examined the comfort of occupants according to the heating systems by measuring the superficial temperature of human body models which is located in experimental space. From this study, we obtained the brief results as follows. The electric heating system with thermal storage have several advantages, one of which is to be able to maintain the optimal indoor temperature in a very short time at the beginning of heating due to the radiant heat and the control of indoor temperature deterioration. We confirmed that the electric heating system with thermal storage of heating systems considered in this experiment might improve the comfort of occupants by comparing the temperature difference between the upper and lower space.