Membrane-type total heat exchanger performance with heat and moisture transferring in different directions across membranes

作者：Min Jingchun^*; Duan Jiangfei

来源：Applied Thermal Engineering, 2015, 91: 1040-1047.

DOI：10.1016/j.applthermaleng.2015.09.001

• Air-to-air total heat exchanger
• Membrane
• Heat and mass co-transfer
• Heat and mass transfer in reverse

A theoretical study has been done to analyze the heat and mass transfer in an air-to-air total heat exchanger core made of a water vapor permeable membrane that transfers both heat and moisture. Calculations are conducted to investigate the exchanger performance over a wide range of weather condition. The results show that the heat and moisture may transfer in either the same direction or the opposite directions across membrane, they may also locally co-transfer but locally transfer in reverse, with the latent effectiveness showing a hyperbola-type change with the outdoor air humidity.

• 出版日期2015-12-5
• 单位清华大学