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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국생활환경학회 한국생활환경학회지 한국생활환경학회지 제9권 제4호
발행연도
2002.12
수록면
306 - 313 (8page)

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This study was performed to suggest fundamental data on physiological response by the thickness variations of wooden floor covering. The experimental chamber having automatic control system was constructed, and the system can control not only air temperature but also surface temperature and humidity ratio. The air and wall surface temperature were set 20℃, relative humidity 50%, and air velocity 0.2 m/sec, and the temperature of the supply water flowing into the floor coil was set 20°e. The floor covering material was varied from mortar only (thin paper finishing), to 2.7 ㎜ thickness plywood, 7.5 ㎜, and 12 ㎜. 8 healthy college students volunteered the experiments at sitting posture on the floor. Skin temperatures at 8 points and blood flow rates were measured. To evaluate the heat transfer between human body and finishing materials, the contact point temperature was measured. According to these experiments, following results were obtained; (1) The mean skin temperature at the 12 ㎜ plywood covering was recorded 0.8℃ higher than that of mortar finishing floor. (2) The contact point temperature between floor finishing and buttock, reached 24.4℃ in mortar and it reached 29.9℃ in 12 ㎜ plywood. (3) In the respect of the blood flow rate at fingertip, the difference between mortar finishing and 12 ㎜ plywood was recorded as 1.94 ㎎/min/100g. Also, at the toe-tip, the difference was 0.77 ㎎/min/100g. The Wooden floor is more human body friendly system more than mortar finishing floor, when the finishing wood has the 12 mm thickness more.

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