db22t 2594-2016 燃油气工业锅炉热工测试不确定度评定导则

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1、ICS27.060.30J98备案号：54276-2017DB22吉林省地方标准DB22/T2594—2016燃油气工业锅炉热工测试不确定度评定导则Guidetotheevaluationofuncertaintyinthermaltestingforoil-firedandgas-firedindustrialboiler2016-12-19发布2017-04-01实施吉林省质量技术监督局发布DB22/T2594—2016目次前言...................................

2、............................................III1范围..............................................................................12规范性引用文件....................................................................13术语、定义和符号......................................

3、............................13.1术语和定义....................................................................13.2符号..........................................................................24测量不确定度的评定方法.......................................................

4、.....44.1基本要求......................................................................44.2不确定度的分析原则............................................................44.3参数变化特性的模型............................................................44.4不确定度计算及其传递计算方法概述....

5、..........................................55试验前的不确定度分析..............................................................75.1试验前不确定度分析目的........................................................75.2试验前不确定度分析方法...................................................

6、.....76标准不确定度的A类评定............................................................76.1基本说明......................................................................76.2单个参数的实验标准偏差........................................................76.3中间结果的A类标准不确定度和自由度.....

7、.......................................96.4试验结果的A类标准不确定度和自由度............................................97标准不确定度的B类评定...........................................................117.1仪表的B类标准不确定度.......................................................117.2空

8、间不均匀参数不确定度的B类评定.............................................137.3B类标准不确定度的组合评定....................................................147.4B类标准不确定度的自由度......................................................147.5试验结果的标准不确定度B类评定........