多目标NSGA-II优化单流体和双流体ORC-VCC系统使用布坦和异布坦
1Institute of Fluid-Flow Machinery, Polish Academy of Sciences, 80-231 Gdańsk, Poland.
Materials (Basel, Switzerland)
|December 17, 2024
概括
这项研究表明,在双流体有机兰金循环-蒸汽压缩循环 (ORC-VCC) 系统中,异布和布为天然制冷剂提供了更高的冷却性能和效率. 这些天然制冷剂为传统流体提供了可持续的替代品,简化了系统设计.
科学领域:
- 热力学和能源系统
- 可持续的制冷技术 可持续的制冷技术
- 自然制冷剂的应用 自然制冷剂的应用
背景情况:
- 由于全球法规,对环境可持续的冷却解决方案的需求日益增加.
- 需要具有低全球变暖潜力的天然制冷剂来取代合成选择.
- 有机兰金循环-蒸汽压缩循环 (ORC-VCC) 系统正在探索提高效率.
研究的目的:
- 在先进的单流体和双流体ORC-VCC系统中评估丁和异作为天然制冷剂.
- 提高冷却技术的能源效率和环境可持续性.
- 使用多目标框架优化系统性能.
主要方法:
- 使用非主导排序遗传算法II (NSGA-II) 进行多目标优化.
- 通过与理想解决方案相似的顺序偏好技术 (TOPSIS) 排名最佳解决方案.
- 分析了关键性能指标,包括性能系数 (COP) 和冷却功率.
主要成果:
- 异布 (ORC) - 布 (VCC) 双流体系统实现了最高的COP (0.447) 和冷却能力 (35.517 kW).
- 在COP和冷却能力方面,基于异酸盐的配置优于参考流体R1233zd.
- 与R1233zd.相比,异芽系统表现出有利的压力比率,简化了压缩机设计.
结论:
- 异布和布是可持续的ORC-VCC系统的高效自然制冷剂.
- 使用这些天然制冷剂的双流体配置提供了卓越的能源效率和冷却性能.
- 该研究提供了通过整合流体选择和优化技术来开发可持续冷却的路线图.
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