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基于Taylor公式可以对浮子流量计的流量公式推导出小偏差方程,找出对流量测量的诸影响因素。分析表明浮子的最大截面尺寸和玻璃管尺寸的精度对流量测量,尤其是小流量时的测量精度影响最大。本文还比较了精确流量公式和近似流量公式的差别。
Based on the Taylor formula, the small deviation equation can be deduced from the flow formula of the float flowmeter to find out the influencing factors on the flow measurement. The analysis shows that the accuracy of the maximum cross-section size of the float and the size of the glass tube has the greatest influence on the flow measurement, especially at low flow rates. This article also compares the differences between the exact flow formula and the approximate flow formula.