建立了错流中空纤维膜液体除湿的二维传热、传质数学模型.引入热阻因子与湿阻因子来衡量溶液除湿过程中热湿传递的不可逆性.比较了不同空气-溶液流量比与空气-溶液进口状态的热阻、湿阻因子,得到空气-溶液流量比为1∶1时,热湿传递的不可逆性较小.由于错流除湿器偏离平衡逆流传热传质形式,最小热阻、湿阻因子不在溶液进口状态等浓度线上,最小热阻在偏离等浓度线使得空气与溶液的温差更大的点,最小湿阻因子在偏离等浓度线使得空气与溶液的水蒸气分压差更大的点.
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