彭冬根,曹卓

• 1:南昌大学工程建设学院

摘要(Abstract)：

为了探究溶液除湿/再生过程热质耦合传递的不可逆性，提出焓(火积) E_h概念，导出焓(火积)耗散数 E_h~*，研究 E_h~*和等效热容比 C*、焓效率ε_h及传热单元数(NTU)的变化关系，同时建立基于 E_h~*的顺/逆流除湿/再生器性能预测解析模型，分析 E_h~*对装置性能的影响。结果表明，E_h~*与ε_h近似呈负线性关系，且随 C*减小而逐渐增大，随 NTU 变大逐渐减少趋于稳定；当 E_h~*较小时，除湿/再生程度更深，而当 E_h~*趋近于 1 时，除湿/再生的热质传递趋于停止；在相同 E_h~*下，溶液进口温度和流量比对装置性能影响更大。

关键词(KeyWords)： 除湿/再生;焓(火积);解析模型;不可逆性;传热传质

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51766010);; 江西省研究生创新专项资金(YC2019-S002);; 南昌市高效制冷知识创新团队(2018-CXTD-004)

作者(Author): 彭冬根,曹卓

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