ICS17.120.01 D4430 CMA 中国计量协会团体标准 T/CMANY050—2020 工业蒸汽流量计量技术要求 Technicalrequirementsofflowmeasurementforindustrialsteam 2020-12-30发布 2021-01-01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/CMANY050-2020 I目次 目次.........................................................................................................................................................................I 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.............................................................................................................................................................3 4测量原理与一般要求.........................................................................................................................................3 4.1流量测量.....................................................................................................................................................3 4.2能量测量.....................................................................................................................................................4 4.3计量系统性能要求......................................................................................................................................4 5流量计.................................................................................................................................................................4 5.1通则.............................................................................................................................................................4 5.2标准节流式流量计.....................................................................................................................................4 5.3涡街流量计.................................................................................................................................................9 5.4V型内锥流量计......................................................................................................................................10 5.5其它流量计...............................................................................................................................................11 6物性参数测定...................................................................................................................................................11 6.1密度...........................................................................................................................................................11 6.2比焓...........................................................................................................................................................14 6.3动力粘度...................................................................................................................................................15 6.4等熵指数...................................................................................................................................................17 7流量计算 .......................................................................................................................................................17 7.1质量流量计算...........................................................................................................................................17 7.2能量流量与热