| Title |
Measurement Methods of Latent Heat for PCM with Low Melting Temperature in Closed Tube |
| Keywords |
PCM ; 상변화물질 ; Latent heat ; 잠열 ; Specific heat ; 비열 ; T-history method, Heat of fusion ; 융해열 ; Heat-flux meter ; 열유속계 |
| Abstract |
Cycle test for developed phase change material(PCM) is necessary in order to analyze the variation of latent heat, which decreases with time by deterioration. T-history method and measurement using heat flux meter are appropriate for the cycle test in a tube filled with PCM because they do not need an extraction of sample in measuring the heat of fusion. In the present study, these methods were applied to a PCM having a melting point below a room temperature, different from the past studies for PCMs melting above a room temperature. As a result of experiment using pure water as specimen, we can obtain reasonable values for heat of fusion by both methods. |