一个案例研究,优化工业空调与热太阳能在埃及的能源
Mohammed A Ebaid1, Tamer A Mohamed1, Hesham Safwat1
1Department of Mechanical Engineering, The British University in Egypt, 11837, El Sherouk City, Egypt.
Heliyon
|August 22, 2024
概括
一个太阳能辅助吸附冷却器可以有效地冷却工业建筑,提供显著的节能和环境效益. 该系统提供了一个经济可行的解决方案,具有7.6年的回报期,并减少了二氧化碳排放.
科学领域:
- 可再生能源系统可再生能源系统
- 建筑的能源效率 建筑的能源效率
- 工业冷却技术 工业冷却技术
背景情况:
- 在工业环境中,现有的分割空调系统对于特定应用,如地毯制造业的Jacquard单元,往往是低效的.
- 东方织工国际在埃及的工厂使用低效的冷却系统,为技术升级提供了机会.
- 太阳能与吸附冷却器的整合为工业冷却需求提供了一个可持续的替代方案.
研究的目的:
- 评估在工业建筑中实施太阳能辅助吸附冷却系统的可行性.
- 为了取代现有的低效的分割空调系统,用于在地毯制造过程中冷却Jacquard单元.
- 评估拟议的太阳能冷却系统的节能,经济可行性和环境影响.
主要方法:
- 对现有冷却系统的性能分析,以建立基线.
- 使用TRNSYS模拟工具建模建筑物并设计太阳能辅助冷却系统.
- 进行了参数分析,以优化收集器面积和储容量,并进行经济和环境评估.
主要成果:
- 确定了90平方米的最佳收集面积,超过100平方米的回报率下降.
- 4立方米的热水储容量最大化了太阳能分数,而冷水储的影响最小.
- 该系统显示出强大的经济指标:7.6年的回报率,14.3%的IRR和34.5%的ROI超过10年.
- 潜在的二氧化碳排放减少可能高达7200.
结论:
- 太阳能辅助吸附冷却器系统在工业应用中技术可行,经济可行.
- 拟议的系统通过减少二氧化碳排放提供了显著的能源节约和显著的环境效益.
- 集热器面积和热水储存的优化对于高效的系统性能至关重要.
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