文档介绍：氨水第一类吸收式热泵性能模拟研究

刘颖袁卫星郭秉汉

(北京航空航天大学人机环境工程系,北京,100083)
摘要为了利用冬季的低温环境空气作为低温热源用于热能驱动的热泵系统供热,本文对单级氨水第一
类吸收式热泵进行了性能模拟研究。经过对工质的热力性质进行分析,及对整个系统的数学建模,将系统
各部件控制方程联立求解。本文针对计算结果,首先就溶液换热器对系统性能的影响做了比较分析。然后
分析了发生温度、吸收温度、精馏温度对系统供热性能的影响,以及吸收器、冷凝器的部件传热特性系数
UA 对供热系数的影响。在本文的工况下,本文还研究了低温的蒸发温度对最低发生温度范围的影响。
关键字氨水吸收式热泵模拟供热性能系数

STUDY ON SIMULATION OF PERFORMANCE OF ABSORPTION HEAT
PUMP OPERATING WITH AMMONIA-WATER

Liu Ying Yuan Weixing Guo Binghan
(Beijing University of Aero & Astro, Beijing 100083,China)
Abstract In order to take use of cold air in winter as low temperature heat source for heat driven pump system,
this paper made a simulation study of performance of single-effect ammonia-water absorption heat pump. After
analyzing thermodynamic properties of the working substance and building mathematical model for the whole
system, this paper resolved all the governing equations. In view of the simulation results, the effect on the
system’s performance of heat exchanger was analyzed. Then, the effect of generation temperature, absorption
temperature and rectify temperature was calculated. The effect of the UA of absorber and condenser on the
coefficient of performance for heat was also discussed. This paper also studied the influence of the evaporating
temperature on the range of generating temperature.
Keywords ammonia-water absorption heat pump s