摘要
分析并筛选了空气焓值法测量制热量测定不确定度的主要来源,通过数学模型进行不确定度的A类评定和B类分析,推导和建立了静压差、焓值、空气比容、空气湿度等制热量不确定度主要分量的数学模型,通过实验数据评定了制热量不确定度。采用极限取值评定复杂不确定度分量,为制热量不确定度评定提供了一种简便可靠的方式。
The main sources of uncertainty in heating capacity measurements tested by air enthalpy method were analyzed in this paper.Type A and Type B analyses were carried out for uncertainty evaluation through mathematical model.The mathematical models for the main components of uncertainty of heating capacity were deduced and established based on difference of static air pressure,air enthalpy value,air specific volume and air humidity.The heating capacity measurement uncertainty was calculated based on experimental data,and the complex uncertainty components were evaluated by limit method.Thus,a convenient and reliable method was provided to evaluate the uncertainty for heating capacity measurement.
出处
《分析测试学报》
CAS
CSCD
北大核心
2017年第11期1392-1396,共5页
Journal of Instrumental Analysis
基金
国家重点研发计划(2017YFF0210002)
广东检验检疫局科技项目(2016GDK40)
关键词
空气源热泵
空调器
制热量
空气焓值
不确定度
air-source heat pump
air condition
heating capacity
air enthalpy value
uncertainty