Assessment of PCM/SiC-based composite aggregate in concrete: Energy storage performance
- Title
- Assessment of PCM/SiC-based composite aggregate in concrete: Energy storage performance
- Author
- 유재석
- Keywords
- Concrete; Thermal energy storage; Paraffin wax; Silicon carbide; Temperature development
- Issue Date
- 2020-05
- Publisher
- ELSEVIER SCI LTD
- Citation
- CONSTRUCTION AND BUILDING MATERIALS, v. 258, article no. 119637
- Abstract
- This work investigates the thermal energy storage performance of concrete using a phase change material (PCM)/SiC-based composite aggregate made with paraffin wax, silicon carbide, and slag aggregate. The thermal energy storage properties were evaluated using a differential scanning calorimetry (DSC) curve, thermal conductivity, hydration heat development, and internal temperature measurements. In addition, a mock-up concrete structure was constructed to evaluate thermal energy storage under natural conditions. The DSC curve showed that the PCM/SiC-based composite aggregate changed its phase and stored thermal energy at 33-34 degrees C. The internal temperature test indicated that the temperature of the sample with PCM/SiC-based composite aggregate was approximately 2-10 degrees C higher because of the thermal heat storage capacity of the PCM/SiC-based composite aggregate. A wall surface temperature of 42 degrees C and 45 degrees C, respectively at the internal and external side of the energy storage structure wall was measured. While an indoor temperature of 35 degrees C was observed for energy storage structure. However, the internal surface temperature of the plain structure wall and the indoor room temperature were 41 degrees C and 38 degrees C, respectively. The concrete structure with PCM/SiC-based composite aggregate decreased the room temperature and stored thermal energy of approximately 3 degrees C.
- URI
- https://www.sciencedirect.com/science/article/pii/S0950061820316421?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/166222
- ISSN
- 0950-0618; 1879-0526
- DOI
- 10.1016/j.conbuildmat.2020.119637
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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