溶液除湿蒸发冷却系统在不同气候地区的优化选择

Optimal Selection of Liquid Desiccant Evaporative Cooling Systems in Different Climatic Zones

根据气候带或地理条件的不同,选定8个具有典型气候的城市。建立数值模型并运用MATLAB软件平台对6种溶液除湿蒸发冷却系统和5种蒸发冷却系统的性能进行分析。以送风状态参数、制冷量、系统热力系数等作为分析不同循环性能的指标,揭示出各种循环的性能在不同地区的差异。结果表明:循环C6的送风湿度最低,系统热力系数最高,最适用于潮湿的南方地区。循环R4的制冷量较大,较适用于干燥的西北地区。研究结果为不同气候地区选定合适的溶液除湿蒸发冷却空调系统提供借鉴。

According to the differences of the climatic zone or geographical conditions,eight typical climate cities were selected as classic cities in climate.A simulation model was developed in MATLAB software platform to analyze the performances of six kinds of Liquid Desiccant Evaporative Cooling Systems and five kinds of Evaporative Cooling Systems.Supply air conditions,cooling capacity,thermodynamic coefficient etc.were used as measures of analyzing the performances of the different cycles to reveal the performance differences of variety of cycles in different regions.The results show that C6 is the best cycle for the high humidity zone in southern China because of its lowest supply air humidity ratio and highest thermodynamic coefficient,R4 is the good option for the dry area in northwest China because of its high cooling capacity.The study can provide reference for selecting suitable liquid desiccant evaporation cooling systems for different climatic zones.