摘要
主要对太阳能喷射式系统进行实验分析,为太阳能在家用住宅热泵给水系统的引进应用提供实验依据。太阳能喷射式系统中,喷射器作为喷射式系统的核心部件,对系统内工质进行增压处理。因此,基于广大学者的现有研究,对太阳能喷射式系统原理、喷射器内部结构参数进行了阐述。并基于现有实验装备进行实验,分析了喷射器喷射系数ER、系统COP随发生温度、蒸发温度的变化,以验证喷射式系统的能效指标。实验结果显示:喷射器喷射系数ER、系统COP均随发生温度的升高呈现先升高后降低的趋势,并在80℃发生温度时达到最大值;此外,喷射器喷射系数ER、系统COP均随蒸发温度的升高而增加。
The experimental analysis of the solar jet system was carried on to provide the experimental basis for the solar energy introduction application in the heat pump water system of domestic residence.The injector which pressurizes working medium in the system is the core part of the solar jet system.Therefore,the principle of the solar energy injection system and the internal structure parameters of the injector were described firstly,based on the existing studies of many scholars.And based on the existing experimental equipment,the influences of generating and evaporation temperatures on the injection coefficient ER and COP were analyzed to verify the energy efficiency index of water supply system.Experimental results show that the injection coefficient ER and COP all increase firstly and then decrease with increasing generating temperature,and reached the maximum when generating temperature up to80℃;the injection coefficient ER and COP all increase with increasing evaporation temperature.
作者
罗浩
张瀚月
LUO Hao;ZHANG Han-yue(National Defense Engineering Institute,PLA Academy of Military Sciences,Wuhan 430010,China)
出处
《建筑节能》
CAS
2019年第12期118-122,157,共6页
BUILDING ENERGY EFFICIENCY
关键词
太阳能
喷射式系统
发生温度
蒸发温度
喷射系数
系统COP
solar energy
jet system
generating temperature
evaporation temperature
injection coefficient
COP
