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阵列式电容传感器直接估计两相流截面组分含率误差较大.通过分析电容受流型影响的特性,导出了一个修正公式.利用12电极阵列电容传感器取得的个测量值,根据两相介质在电容极板间的分布情况,介绍在利用修正公式修正组分含率值的基础上,再取相邻极板的电容值调整修正比例的方法,即可对各种典型流型进行满意的修正.
The array capacitance sensor directly estimates the component fraction error of the two-phase flow cross section. By analyzing the characteristics of the capacitor affected by the flow pattern, a correction formula is derived. According to the distribution of two-phase medium in the capacitor plates, based on the measured values obtained by the 12-electrode array capacitor sensor, based on the correction formula for the content of the component, the capacitance value of the adjacent plates is adjusted Correction of the proportion of methods that can be a variety of typical flow-type satisfactory correction.