저온 열공급이 지역난방용 열수송관의 수명에 끼치는 영향 연구

다국어 초록 (Multilingual Abstract)

District heating is an efficient system that provides heating in large residential areas such as apartments by transporting heat over long distances using District Heating Pipes from heat remaining in the process of generating power from plants or heat produced from dedicated boilers. Currently, domestic district heating systems operate at high temperatures of up to 120 degrees. However, the supply of low temperature heat is gradually increasing overseas due to the interest in energy efficiency and environmental issues is increasing and the supply of unused and renewable energy is increasing. Reduction of supply temperature level is a favorable condition for maintaining long-term-term thermal performance of the insulation and minimizing thermal loads applied to district heating networks, but The large variation in supply temperature due to the use of various heat sources may adversely affect the life of low-cycle fatigue in the district heating networks. In this study, the effects of low temperature heat supply on the district heating networks were analyzed by analyzing the life of the insulation based on the Arrhenius equation and the life of the steel pipe according to the low-cycle fatigue theory.

목차 (Table of Contents)

• Abstract
• 1. 서론
• 2. 지역난방용 열수송관의 특징
• 3. 열수송관의 수명산출 기법
• 4. 공급온도에 따른 열수송관 수명 분석
• 5. 결론
• 참고문헌