| Title |
A Study on the Dynamic Adsorption and Desorption Characteristics of GAB-Based Desiccants |
| DOI |
https://doi.org/10.6110/KJACR.2026.38.6.313 |
| Keywords |
데시컨트 휠 ; 동적 시뮬레이션 ; GAB 등온식 ; 흡?탈습 특성 Desiccant wheel ; Dynamic simulation ; GAB isotherm ; Moisture adsorption-desorption |
| Abstract |
Power-to-Heat (P2H) systems represent an effective solution for utilizing surplus renewable electricity to satisfy thermal energy needs while also improving grid flexibility and stability. This study involved the development and demonstration of a pilot-scale P2H system at the Western Agricultural Technology Center on Jeju Island, South Korea, where frequent renewable energy curtailments occur due to high levels of renewable energy integration. During the spring season, thermal charging and heating operations were carried out using excess electricity from renewable sources. In the thermal charging phase, 2,757.1 kWh of electricity was used to produce 7,724 kWh of thermal energy, achieving a coefficient of performance (COP) of 2.8. The heating operation successfully maintained an indoor temperature of 19-21℃, which is ideal for crop cultivation, thereby confirming the system's suitability for agricultural heating. These results demonstrate that the P2H system can not only alleviate renewable energy curtailment and enhance the operational flexibility of the power grid but also provide a sustainable solution for thermal energy supply in agriculture. Additionally, the findings suggest that widespread adoption of P2H systems could significantly contribute to regional energy transitions and improve renewable energy utilization in isolated grid areas like Jeju Island. |