Performance of an adiabatic cross-flow liquid-desiccant absorber inside a refrigerated warehouse
Performance of an adiabatic cross-flow liquid-desiccant absorber inside a refrigerated warehouse
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DOI：
10.1016/j.ijrefrig.2010.08.005
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发表时间：
2011
期刊：
影响因子：
--
通讯作者：
Sergio M. Pineda;G. Diaz
中科院分区：
文献类型：
--
作者：
Sergio M. Pineda;G. Diaz
液体干燥剂系统作为一种降低空调系统潜在负荷的方法已经得到了广泛的研究。大多数研究的目标是在环境条件下去除空气中的水分。关于在低温应用中使用液体干燥剂的文献很少。在本研究中，小型液体干燥剂吸收器安装在商业冷藏仓库内。分析了其在预冷室内实际工况下的性能。结果表明，吸收器下游空气的露点温度与蒸发器表面温度相当，表明有可能延迟冷却盘管上冰的形成。内部热交换器用于降低进入吸收器的液体-干燥剂流的温度，并且仅使用环境空气进行再生过程。还分析了扩大系统的水和能源消耗的减少。
Liquid-desiccant systems have been extensively studied as a way of reducing the latent load on air conditioning systems. Most of the studies have targeted the removal of moisture from air at ambient conditions. The literature about the use of liquid desiccants in low temperature applications is scarce. In this study, a small-scale liquid-desiccant absorber is installed inside a commercial refrigerated warehouse. Its performance under realistic operating conditions inside a pre-cooling room is analyzed. The results show that the dew point temperature of the air downstream of the absorber is comparable to the evaporator surface temperature suggesting the potential to delay the formation of ice on the cooling coil. An internal heat exchanger is used to lower the temperature of the inlet liquid-desiccant flow to the absorber and the regeneration process is performed using only ambient air. The analysis of the reduction in water and energy consumption for a scaled-up system is also performed.