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首页> 外文会议>2004 AGA operating section proceedings >Uncertainty Analysis of Turbine and Ultrasonic Meter VolumeMeasurements – Part 2, Advanced Topics
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Uncertainty Analysis of Turbine and Ultrasonic Meter VolumeMeasurements – Part 2, Advanced Topics

机译：涡轮和超声波流量计体积测量的不确定度分析–第2部分，高级主题

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This paper continues from the first paper1 in describing the process of estimating thernuncertainty of volume measurements made with turbine and ultrasonic flowmeters. Componentsrnthat contribute uncertainty include the pressure and temperature transducers, the gasrnchromatograph, state equation and flow computer as well as the meter itself. In the first paperrneach component was described and numerical uncertainty values were estimated based on arnhypothetical set of measurements. The individual component values were combined to providernthe uncertainty in the total volume.rnThe present paper discusses uncertainty issues associated with calibration, it is organizedrnbased on two examples. The first example concerns pressure transducer calibration, the secondrnexample discusses flowmeter calibration. Topics include short and long term random effects,rnpercent-of-reading effects, and full-scale effects Additional discussion covers properrninterpretation of flowmeter calibration results and guidance to replace manufacturer specificationsrnwith calibration results.
机译：本文是第一篇论文的续篇，描述了用涡轮流量计和超声波流量计进行体积测量不确定度的估算过程。造成不确定性的组件包括压力和温度传感器，气相色谱仪，状态方程式和流量计算机以及仪表本身。在第一篇论文中，描述了每种成分，并基于无假设的一组测量值估计了数值不确定性值。将各个成分的值组合起来，以提供总体积中的不确定性。本文讨论与校准相关的不确定性问题，它是基于两个示例进行组织的。第一个示例涉及压力传感器校准，第二个示例讨论流量计校准。主题包括短期和长期随机效应，读数百分比效应和满量程效应。其他讨论包括对流量计校准结果的正确解释以及用校准结果代替制造商规格的指南。

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