溶液换热器传热效率对高温吸收式热泵性能的影响

Influence of Solution Heat Exchanger Effectiveness on Performance of High Temperature Absorption Heat Pumps

溶液换热器是吸收式热泵的重要部件之一 ,它的传热效率与强化对提高热泵系统性能 ,降低热泵循环系统的设备费和操作费非常重要。本文分析计算了不同传热效率对水 /乙二醇高温吸收式热泵系统性能的影响 ,并分析了换热器传热温差和火用损与传热效率的关系 。

The solution heat exchanger is one of the main components of high temperature absorption heat pumps.Its heat transfer effectiveness and enhancement are very important to the improvement of heat pump performance and the decrease of equipment size and operating expense.The effect of different heat transfer effectiveness on performance of heat pump system for water/glycol was analyzed and discussed,the relationship of heat transfer temperature difference and exergetic loss with heat transfer effectiveness and the correlation to evaluate heat pump performance were developed in this paper.