房间空气调节器焓值公式中热物理性质常数取值的分析  

Analysis and Research on the Value of Thermal Physical Property Constant in the Enthalpy Formula of Room Air Conditioner

作　　者：孔繁海 杨雷 王奎 刘汉阳 邓林涓 杜启行 KONG Fanhai;YANG Lei;WANG Kui;LIU Hanyang;DENG Linjuan;DU Qihang(Shandong Institute of Metrology and Science,Jinan 250014,China)

机构地区：[1]山东省计量科学研究院,济南250014

出　　处：《计量技术》2020年第4期35-38,30,共5页Measurement Technique

摘　　要：房间空气调节器制冷量的计算普遍使用室内侧空气焓值法,在数据运算过程中,回风口和送风口处焓值的计算是非常关键的一个环节。不同实验室间,焓值计算公式中定压比热容和汽化潜热的取值不尽相同,这将直接影响最终的计算结果。为了能够更好地保证实验室间数据的一致性,通过理论分析和试验验证,对定压比热容和汽化潜热的取值方法提出了更好的建议。Air-enthalpy test method of indoor-side is widely used in the calculation of cooling capacity of the room air conditioner.The calculation of enthalpy at the location of air return inlet and air supply outlet is a very crucial step.In different laboratories,the values of specific heat at constant pressure and latent heat of vaporization are often different in the enthalpy calculation formula,which directly affects the final calculation result.In order to better ensure the consistency of the data between laboratories,this paper puts forward better suggestions on determining the value of the specific heat at constant pressure and latent heat of vaporization through theoretical analysis and experimental verification.

关 键 词：空气焓值法 定压比热容 汽化潜热 

分 类 号：TB657.2[一般工业技术—制冷工程]