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本文根据粘性流体力学原理和转子动力学理论,详细分析了椭圆齿轮流量计内的缝隙漏流,建立了能预测介质粘度对流量计误差特性影响的理论模型。数值计算结果表明,理论值与实验数据基本吻合。
Based on the theory of viscous fluid dynamics and rotor dynamics, this paper analyzes in detail the gap leakage in the oval gear flowmeter and establishes a theoretical model that can predict the effect of medium viscosity on the error characteristics of the flowmeter. The numerical results show that the theoretical value is in good agreement with the experimental data.