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本文从电磁流量计基本理论出发 ,推导出电磁流速仪在管道中移动时引起的测量误差。定量计算说明管道中流动状态 (层流或湍流 )、流速仪的相对移动速度和流速仪的外径都会对测量误差产生较大影响
Based on the basic theory of electromagnetic flowmeter, this paper deduces the measurement error caused by the electromagnetic current meter moving in the pipeline. Quantitative calculation of flow conditions in the pipe (laminar or turbulent flow), the relative velocity of the flow meter, and the outer diameter of the meter can have a significant impact on the measurement error