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Innovative inlet air cooling technology for gas turbine power plants using integrated solid desiccant and Maisotsenko cooler

机译：使用集成式固体干燥剂和Maisotsenko冷却器的燃气轮机发电厂的创新进气冷却技术

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摘要

Gas turbine thermal efficiency has significant dependency on climatic conditions. Evaporative cooling is commonly utilized as an inlet air cooling technique in hot and dry climates though an increase in atmospheric humidity will considerably diminish its performance. Implementing desiccants to dehumidify air will enhance evaporative inlet cooling effectiveness. Furthermore, a recently commercialized cooler named Maisotsenko cooler can be integrated in gas turbine inlet air cooling to replace conventional evaporative coolers. In this paper, four different inlet air cooling systems employing turbine waste heat are proposed for gas turbine power augmentation in hot and humid climates such as UAE. Detailed sensitivity analysis is performed to investigate the impact of ambient air conditions and regeneration temperature on the inlet air cooling systems' effectiveness. Recommended inlet air cooling techniques are evaluated against more commonly used inlet air cooling systems under UAE climatic conditions. Finally, economic and transient analysis are accomplished to signify the most economical inlet air cooling system that is most suitable for UAE gas turbine power augmentation. Maisotsenko evaporative desiccant inlet air cooling with life savings of 31.882 MUS$ is the most economically justified inlet cooling technique for a 50 MWe gas turbine power plant in UAE with life span of 25 years. (C) 2015 Elsevier Ltd. All rights reserved.
机译：燃气轮机的热效率在很大程度上取决于气候条件。蒸发冷却通常在炎热和干燥的气候中用作进气冷却技术，尽管大气湿度的增加会大大降低其性能。实施干燥剂对空气进行除湿将增强蒸发入口冷却效果。此外，最近商业化的冷却器，称为Maisotsenko冷却器，可以集成到燃气轮机进气冷却系统中，以代替传统的蒸发冷却器。在本文中，提出了四种利用涡轮机余热的不同进气冷却系统，以在诸如阿联酋这样的炎热和潮湿气候下增加燃气轮机的功率。进行了详细的灵敏度分析，以研究环境空气条件和再生温度对进气冷却系统效率的影响。在阿联酋气候条件下，根据更常用的进气冷却系统对推荐的进气冷却技术进行了评估。最后，完成了经济和瞬态分析，以表示最适合阿联酋燃气轮机功率增加的最经济的进气冷却系统。 Maisotsenko蒸发式干燥剂入口空气冷却系统的使用寿命为25年，可节省31.882 MUS $，是阿联酋50 MWe燃气轮机电厂最经济合理的入口冷却技术。 （C）2015 Elsevier Ltd.保留所有权利。

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