Based on computational fluid dynamics, the distribution of laminar flow-field and pressure difference are obtained by numerical simulation on flow through orifice plate in detail.
以计算流体力学为工具，详细分析计算了流体流过孔板的层流流场分布以及压力降。
From the flow signal generated by orifice to the display on flow totalizer, the multiple conversions of signals are dissected directly perceived through four quadrants signal conversion diagram.
从流体经过孔板产生信号出发，到在流量积算仪上显示流量，用四象限信号转换图直观地剖析了信号的多次转换，重点阐明了其中的非线性转换。
The quoted MFR value is the weight of polymer melt flowing through an orifice in specified conditions, so the higher the MFR value, the lower the melt viscosity and the easier the material will flow.
MF R采用的数值是在一定的条件下通过口模的聚合物熔体的重量，所以MF R越大，熔体粘度越低，而材料的流动性就越好。
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