パッシブソーラーシステム試験家屋を用いた蓄熱床方式に関する実験的研究

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This paper describes the experimental results on the performance evaluation of the thermal storage floor system using a tandem-type test house. For the purpose of examining the performance of the thermal storage floor, one test room (Room A) is furnished with a brick floor 30 cm in depth and the other one (Room B) has a wooden floor, the crawl space of which is ventilated naturally. The effect of thermal storage floor is evaluated by comparing the indoor temperature profiles of the two rooms. Secondly, this paper also shows the amount of heat absorbed and released by the brick floor as estimated using the measured temperature of several points in the room. The results of the experiments are shown as follows. (1) The air temperature of the Room A with a brick floor is about 15℃ lower at the maximum during the day and 7℃ higher at the maximum during the night than that of Room B with a wooden floor. But there is no difference in the peak time of the room temperature between the two room. (2) The daily air temperature swing of Room A is about 1/2 times smaller all the year round than that of Room B. (3) The brick floor is absorbing the solar radiation while the sun is shining and releases the heat to the room air during the night and during the sunless days. The rate of heat transferred in the night is estimated to be about 300-400 kcal/h (20-30 kcal/m^2h) if it is sunny day. (4) The effective thermal capacity of Room A with a brick floor is calculated to be about 830 kcal/℃. This value is 5 times larger than that of Room B with a wooden floor and corresponds to 56 % that of the gross thermal capacity of a brick.
社団法人日本建築学会の論文
1986-08-30

パッシブソーラーシステム試験家屋を用いた蓄熱床方式に関する実験的研究

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