Title |
The Effects of an Additive on the Thermal Properties of a Clathrate Compound(Ⅲ) |
Authors |
김진흥 ; 정낙규 ; 김석현 ; 김창오 ; 강승현 |
Keywords |
Clathrate ; 포접화합물 ; Phase change temperature ; 상변화온도 ; Supercooling ; 과냉도 ; Rate of volume change ; 체적변화율 |
Abstract |
An experimental investigation is conducted to measure phase change temperature and supercooling when acetone is added to TMA 30wt% clathrate during cooling process in heat source. Also rate of volume change is investigated when acetone is added to TMA 30 wt% clathrate during the cooling process in heat source -8℃. The results show that phase change temperature is about 4.5~5.5℃ when acetone is added to TMA 30wt% clathrate during the cooling process for heat sink temperature of -6, -7℃ and -8℃. Supercooling is repressed about 2~10℃ when 0.08wt% acetone is added to it and rate of volume change is decreased about 2.9% when 0.1wt% acetone is added for the heat sink temperature of -8℃. |