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基于非设计模拟的混合动力缩太阳能微型燃气轮机的年度性能评估
SeyedVahid Hosseini1, Yong Chen1, Seyed Hossein Madani2
1University of Hertfordshire, Hatfield, AL10 9AB, UK.
Heliyon
|May 22, 2024
概括
精确的年度性能评估太阳能微型燃气轮机 (MGT) 混合动力系统至关重要. 考虑到设计之外的条件和环境温度变化,可能会使燃料消耗估计变化高达25%.
科学领域:
- 可再生能源系统可再生能源系统
- 热力学是一种热力学.
- 混合动力发电是混合动力发电的一种方式.
背景情况:
- 太阳能混合系统越来越多地被采用,以减轻太阳辐射变化.
- 在非设计条件下准确的性能评估对于这些系统至关重要.
- 微型燃气轮机 (MGT) 混合系统为稳定的可再生能源发电提供了一个有希望的解决方案.
研究的目的:
- 引入一个详细的分析方法来评估在过渡边界条件下太阳能-MGT系统的年度性能.
- 为了比较一个太阳能-MGT系统的两个不同的回收循环配置.
- 评估环境温度和操作策略对系统性能的影响.
主要方法:
- 开发和验证太阳能MGT系统的设计外模拟模型.
- 在不同的边界条件下模拟两个回收循环配置.
- 使用真实气象数据进行年度性能模拟,用于南非比勒陀利亚的一个测试案例.
主要成果:
- 与传统配置相比,替代配置减少了热损失,但增加了燃料消耗.
- 环境温度显著影响太阳能接收器的热量损失和整体系统性能.
- 考虑到边界条件变化的全年模拟可以将燃料消耗估计变化25%.
结论:
- 选择回收循环配置会影响系统效率和燃料消耗.
- 准确的年度绩效评估需要考虑过渡边界条件和环境温度.
- 优化的操作策略和系统设计是最大限度地提高太阳能-MGT混合系统效率的关键.
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