Coupling optimization study of key influencing factors on PCM trombe wall for year thermal management.
发布时间：2023-04-21
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- 论文类型：
- 文章
- 第一作者：
- 朱娜
- 合写作者：
- 邓仁洁,胡平放,雷飞,徐菱虹,江章宁
- 发表刊物：
- Energy
- 收录刊物：
- SCI
- 所属单位：
- 华中科技大学
- 刊物所在地：
- Denmark
- 学科门类：
- 工学
- 一级学科：
- 土木工程
- 项目来源：
- National Natural Science Foundation of China (NSFC)
- 文献类型：
- J
- 卷号：
- 236
- 页面范围：
- 121470
- ISSN号：
- 0360-5442
- 关键字：
- Phase change material; Trombe wall; Optimization; Indoor thermal environment; Building operation; Energy consumption
- DOI码：
- 10.1016/j.energy.2021.121470
- 发表时间：
- 2021-12-01
- 影响因子：
- 8.857
- 教研室：
- 建筑环境与能源应用工程系
- 摘要：
- The proposed environment-interactive novel Trombe wall system was a passive building envelope integrated with phase change material (PCM) based on traditional Trombe wall. Compared with traditional Trombe wall system, this system can make full use of solar energy and nature ventilation, improving indoor thermal comfort. The dynamic heat transfer model of PCM Trombe room was established, and six key factors influencing thermal performance of PCM Trombe wall system were analyzed. Through the coupled operation of TRNSYS heat transfer model and GenOpt optimization software, the energy con-sumption characteristics of the system and the optimal value of the key influencing factors were analyzed and obtained. The optimal air gap thickness was 0.05 m, the optimal external sun-shading length was 0.78 m, the optimal thermal storage wall thickness was 0.68 m, the optimal vents area was 0.6 m(2), the optimal melting temperature of lower temperature PCM layer was 16.5 degrees C, and the optimal melting temperature of higher temperature PCM layer was 27.75 degrees C. The annual total building load was reduced by 7.56% in optimized reference Trombe room compared with traditional Trombe wall, and the annual total building load was reduced by 13.52% in optimized PCM Trombe compared with reference Trombe wall.