상변화 물질을 이용한 구체축열 복사난방 공간의 실내 온열 환경 특성 Characteristics of Indoor Thermal Environment in Thermally Activated Building System (TABS) using Phase Change Materials (PCMs) during Heating Operation
The purpose of this paper is to investigate room thermal environment of thermally activated building system (TABS) using phase change materials (PCMs) during heating operation. The mock-up scale experiments were carried out during heating operation with the TABS with PCMs. These experiments are focused on the evaluation of indoor thermal environment due to the latent heat storage technologies for proposed use in low-temperature heating for office buildings. We made a mock-up building with 4 test cells, in which there were installed three prototypes of TABS(Hot water pipe embedded within concrete slab (Type A), double pipe embedded within concrete slab (Type B) and double pipe embedded within 2-way hollow core slab (Type C)). We measured the supply water temperatures, return water temperatures, ceiling surface temperatures, vertical air temperatures, and globe temperatures. In results, it was found that the TABS applied to 2-way hollow core slab with PCM can have the similar changes of indoor thermal environment such as globe temperature changes and there is no thermal discomfort due to the vertical difference of air temperature, radiant asymmetry.
The purpose of this paper is to investigate room thermal environment of thermally activated building system (TABS) using phase change materials (PCMs) during heating operation. The mock-up scale experiments were carried out during heating operation with the TABS with PCMs. These experiments are focused on the evaluation of indoor thermal environment due to the latent heat storage technologies for proposed use in low-temperature heating for office buildings. We made a mock-up building with 4 test cells, in which there were installed three prototypes of TABS(Hot water pipe embedded within concrete slab (Type A), double pipe embedded within concrete slab (Type B) and double pipe embedded within 2-way hollow core slab (Type C)). We measured the supply water temperatures, return water temperatures, ceiling surface temperatures, vertical air temperatures, and globe temperatures. In results, it was found that the TABS applied to 2-way hollow core slab with PCM can have the similar changes of indoor thermal environment such as globe temperature changes and there is no thermal discomfort due to the vertical difference of air temperature, radiant asymmetry.
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