摘要
间接膨胀式太阳能多功能热泵系统(indirect expansion solar assisted multifunction domestic heat pump,IESA-MDHP)的运行性能受到多种因素影响,利用带有太阳模拟发射器的焓差实验室可定量检测热泵系统的运行性能,并对不同条件下的运行性能进行比较。该文在稳定的外界条件下,对IESA-MDHP系统在太阳能制热水模式和太阳能制热模式下运行的换热性能进行实验研究。结果表明,在太阳能制热水模式中,随着水箱初温升高,蒸发侧和冷凝侧换热功率均会提高,在制热水的同时,向系统输入太阳辐照,与无辐照时相比,辐照强度从0 W/m^2上升到500 W/m^2时,系统在蒸发侧和冷凝侧的平均换热功率可分别提高30.11%和37.46%,平均COP可提高32.27%;在太阳能制热模式中,水箱作为系统的蒸发热源,水箱初始温度越高,蒸发侧换热功率越大,对应的冷凝侧换热功率随之增大。
The performance of indirect expansion solar assisted multi- functional domestic heat pump (short for IESA- MDHP) is affected by many factors, in the enthalpy-difference laboratory with a solar simulation transmitter, the performance of heat pump can be measured quantitatively, the performance of the heat pump under different condition can be compared. In the paper, under the stable environment condition, an experimental study of the IESA-MDHP system working in the solar heating and solar water heating is conducted. The result showed that in the solar water heating mode, the heat transfer performance of the system increase with the initial water tank temperature, and when the irradiation range from 0 W/m2 to 500 W/m2, the average heat transfer power in the evaporator and the condenser can be improved by 30.11% and 37.46%, and the average COP increases by 32.27%. In the solar heating mode, the water tank acts as the evaporating source, and the heat transfer power in the evaporator increases with the initial temperature of the water tank, as well as the heat transfer power in the condenser.
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
2016年第1期129-135,共7页
Acta Energiae Solaris Sinica
基金
国家自然科学基金(51378483)
中央高校基本科研业务费专项资金
东莞市引进创新科研团队计划(2014607101008)
关键词
太阳能
多功能
热泵
换热性能
solar energy
multi-functional
heat pump
heat transfer performance