ICS17.120.01 C4029 CMA 中国计量协会团体标准 T/CMAYJ051—2021 混合煤气流量计量技术要求 TechnicalRequirementsofFlowMeasurementforMixedGas 2021-04-01发布 2021-05-01实施 中国计量协会发布 全国团体标准信息平台 全国团体标准信息平台 T/CMAYJ051-2021 I目次 前言..........................................................................................................................................................................II 1范围............................................................................................................................................................................1 2规范性引用文件........................................................................................................................................................1 3术语、定义和符号....................................................................................................................................................2 3.1术语和定义.........................................................................................................................................................2 3.2符号.....................................................................................................................................................................2 4测量原理与一般要求................................................................................................................................................3 4.1流量测量原理.....................................................................................................................................................3 4.2标准参比条件.....................................................................................................................................................3 4.3发热量测定.........................................................................................................................................................3 5流量测量....................................................................................................................................................................3 5.1流量测量系统技术要求.....................................................................................................................................3 5.2流量计.................................................................................................................................................................4 6物性参数....................................................................................................................................................................4 6.1取样.....................................................................................................................................................................4 6.2组成分析.............................................................................................................................................................4 6.3物性参数计算.....................................................................................................................................................4 7流量计算....................................................................................................................................................................6 7.1工作条件下混合煤气干部分流量计算.............................................................................................................6 7.2标准参比条件下混合煤气干部体积流量计算.................................................................................................7 7.3标准参比条件下能量流量计算.........................................................................................................................7 8不确定度评定............................................................................................................................................................7 8.1概述...................................................................................................................................................................7 8.2工作条件下体积流量不确定度评定............................................................................................