提出的方法的性能进行评估涡轮流量计的仪表系数的变化。
A method to evaluate the performance of turbine flowmeter by meter factor variation was put forward.
利用双时间法设计了用于检定脉冲型流量传感器仪表系数的检定仪。
By using dual timing method the calibrator for calibrating coefficient of instrument of pulsed flow transducer is designed.
提出了一体化智能二线制涡街流量变送器对仪表系数的非线性进行校正的方法。
The method of correcting the non linear instrument coefficient in an integrated intelligent 2 wire vortex flow transmitter is stated.
设计一种新型半管均速管，并根据伯努利方程、连续性方程建立均速管仪表系数的数学模型。
A new half-tube averaging pitot tube is designed, and based on the Bernolli equation and continuity equation, a mathematics model is established.
提出了利用计算流体力学(CFD)软件(FLUENT)进行涡轮流量传感器仪表系数预测的方法。
The method for prediction the meter factor of the turbine flow meter by the computational fluid dynamics (CFD) software package (FLUENT) is put forward.
本文在极低速情况下，模拟测定了仪表齿轮在一齿啮合过程中两齿轮齿面间摩擦系数的变化情况。
The friction factor between two tooth surfaces of instrument gears during one meshing process is imitatively measured in this paper under the condition of ultra-low-speed.
阐述了测量用电流互感器仪表保安系数的计算方法和半成品控制方法，并给出了计算实例。
The calculating safety factor method and the controlling semi-finished products method in measuring cur rent transformers are discussed. The examples are given.
测量结果表明，在极低速状态下，仪表齿轮齿面间的摩擦系数几乎与齿面间的作用力无关，但随齿面相对滑动速度的增加而线性增加。
Results show that the frictional factor almost has nothing to do with applied forces, but increases linearly with the sliding speed between the tooth faces.
测量结果表明，在极低速状态下，仪表齿轮齿面间的摩擦系数几乎与齿面间的作用力无关，但随齿面相对滑动速度的增加而线性增加。
Results show that the frictional factor almost has nothing to do with applied forces, but increases linearly with the sliding speed between the tooth faces.
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