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Modelling and parametric analysis of heat and mass transfer performance of a hybrid liquid desiccant absorber

机译：混合液体干燥剂吸收器传热和传热性能的建模和参数分析

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摘要

A mathematical model was developed in this work to predict the performance of a liquid desiccant absorber integrating indirect evaporative cooling to achieve an almost isothermal operation. A control volume based numerical method was used to solve the governing equations. A sensitivity analysis considering a lithium chloride solution, process air at 32 deg. C and 0.022 kg/kg humidity and return air at 23 deg. C and 0.009 kg/kg humidity was performed. Negligible differences in thermal performance were found between parallel and counter fluid flow arrangements. The study predicted a strong dependence of thermal performance on the physical size of the absorber, the solution concentration and cooling and process air mass flow rates.
机译：在这项工作中开发了一个数学模型，以预测集成了间接蒸发冷却以实现几乎等温运行的液体干燥剂吸收器的性能。基于控制量的数值方法用于求解控制方程。考虑氯化锂溶液的敏感性分析，处理空气温度为32度。 C和0.022 kg / kg湿度，并在23度返回空气。进行C和0.009 kg / kg的湿度。在平行和逆流装置之间发现的热性能差异可忽略不计。这项研究预测，热性能对吸收器的物理尺寸，溶液浓度，冷却和工艺空气质量流量的依赖性很大。

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