Thermal Performance Measurement Procedure and Its Accuracy for Shape-Stabilized Phase-Change Material and Microcapsule Phase-Change Material Combined with Building Materials

The accuracy of differential scanning calorimetry (DSC) used in the dynamic method, which is method most widely to measure thermal performance existing phase-change materials (PCMs), limited when measuring range and peak temperature PCMs combined with building materials. Therefore, we measured a thermochamber; samples were sheet shape-stabilized material (SSPCM) microencapsulated PCM-impregnated gypsum board fabricated by combining PCM paraffin. Then, investigated ways improve measurement accuracy. We confirmed setting time thermochamber change based on internal effect capacity its using method. was increased or decreased uniform steps at regular intervals. error heat absorption release less than 2% stabilization least 4 h elapsed before start heating cooling process. Overall trends specific enthalpy, such as section PCM, similar regardless time. Thus, it that latent did not increase proportionally capacity. proposed approach can be enthalpy various types