The hydrodynamic lubrication performance of rectangle, inclined plane, circular-arc, triangle, multi-arc and sine surface texture was researched with CFD method based on N-S equation.
采用基于N - S方程的CFD方法,研究矩形、斜面台阶形、圆弧形、三角形、多圆弧形以及正弦形织构表面的动压润滑性能。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
在这种新的逆变器开关控制策略中建立多目标优化函数,既使得电压型逆变电路输出电流波形总谐波畸变率尽量小,同时又能减小逆变过程的电力电子开关损耗。
The paper introduces a multi-level H-bridge converter, which produces 18-step waveform according to required control method. The standard sine waveform can be gotten after passing through the filter.
介绍了一种多级H桥并联变换器,通过一定的控制方式使每个H桥变压器副边产生的波形叠加成18阶梯波,经滤波后可得到比较标准的正弦波。
This article introduces a RC sine-wave oscillator multi-function experiment circuit.
介绍了一种使用电测法的材料力学多功能实验台及其应用。
This article introduces a RC sine-wave oscillator multi-function experiment circuit.
介绍了一种使用电测法的材料力学多功能实验台及其应用。
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