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Performance evaluation of a solar-powered flat-plate multichannel liquid desiccant air conditioning system

机译：太阳能平板多通道液体干燥剂空调系统的性能评价

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摘要

There has been a limited application of liquid desiccant (LD) dehumidification systems in space air conditioning until now. The key elements responsible for this restricted implementation are leakage of desiccant solution, corrosion of components, and solution carryover along with the processed air to the space to be conditioned. To remove these problems, an evacuated tube solar heat collector-driven multichannel liquid desiccant air conditioning system has been proposed and experimentally investigated. In this study, dehumidification and regeneration rate, their effectiveness, cooling effect of the dehumidifier, and indirect evaporative cooling unit have been analyzed. The results obtained indicate that the process air has been dehumidified and cooled by 6.32 g kg~(-1) and 5.26°C, respectively. The regeneration rate and effectiveness have been obtained to be 0.26 gs~(-1) and 0.31, respectively. In terms of the cooling effect, the system output of 0.703 and 0.130 kW has been obtained from the dehumidifier and indirect evaporative cooling unit of the system, respectively. The proposed system validates the possibility of the novel solar-powered liquid desiccant air conditioning system concept and provides growth and development of the LD air conditioning technology for space air conditioning.
机译：液体干燥剂（LD）除湿系统在空间空调之前有限的应用。负责这种受限制的实施的关键要素是干燥剂溶液泄漏，组件腐蚀，以及溶液携带以及加工空气与待条件的空间一起进行。为了消除这些问题，已经提出了一种抽空的管太阳能集热集电极驱动的多通道液体干燥剂空调系统并实验研究。在该研究中，已经分析了除湿性和再生率，其有效性，除湿器的冷却效果和间接蒸发冷却单元。得到的结果表明，处理空气分别除湿和冷却6.32g kg〜（-1）和5.26℃。已经获得了再生率和有效性分别为0.26gs〜（-1）和0.31。就冷却效果而言，已经从Dehumidifer和系统的间接蒸发冷却单元中获得0.703和0.130kW的系统输出。该建议的系统验证了新型太阳能液体干燥剂空调系统概念的可能性，并为空间空调提供了LD空调技术的增长和发展。

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