蒸汽压缩制冷循环的动态评估与PCM储相结合,以提高冷凝器性能
Alireza Riahi1, Mohammad Behshad Shafii1,2
1Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran.
Heliyon
|September 2, 2024
概括
这项研究将相变材料 (PCM) 储存与制冷相结合,以转移能源使用. 该系统通过在非高峰时段储存冷却,有效地减少了在高峰时段的电力需求和压缩机的能耗.
科学领域:
- 能源工程 能源工程
- 热能储存 热能储存是一种热能储存.
- 制冷系统 制冷系统
背景情况:
- 传统的制冷系统面临着高峰电力需求.
- 将能源消耗转移到非高峰时段可以降低成本和电网压力.
- 换相材料 (PCM) 为热能存储提供了一个可行的解决方案.
研究的目的:
- 为了动态模拟与PCM储集成的蒸汽压缩制冷周期.
- 评估系统在减少高峰电力消耗和负载转移方面的有效性.
- 调查不同PCM材料和储参数对系统性能的影响.
主要方法:
- 在24小时内与PCM储相结合的制冷周期的动态模拟.
- 选择和评价四种PCM材料:油酸,Capric/Lauric酸,SP224A和CaCl2.6H2O.
- 在不同的天气条件和PCM储配置下分析系统性能.
主要成果:
- 商用混合物SP224A在大多数天气条件下表现出卓越的性能.
- 在Ramsar城市的天气下,最大的98.85%的电气峰值负载削减得到了实现.
- 压缩机的电能消耗减少了大约23.38%,通过增加PCM储存管道长度,进一步提高了156%.
结论:
- 集成的PCM存储系统有效地将冷却能源需求从高峰时段转移到低峰时段.
- 在此应用中,SP224A被确定为一种高效的PCM.
- 优化PCM储设计,特别是管道长度,大大提高了节能和峰值负载削减能力.
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