“turbine stage velocity triangle”的概念、定义、翻译、参考文献-科学参考

单词	turbine stage velocity triangle
释义	turbine stage velocity triangle Encyclopedia 工学涡轮级释 turbine stage velocity triangle涡轮级速度三角形根据力学中速度分解和合成的原理，任一在涡轮级的转子叶片中运动的流体微团的绝对速度都可以分解为沿转子叶片流动的相对速度和随着转轮一起旋转的牵连速度，这三个速度矢量构成一个闭合的三角形，一般把这个三角形称为涡轮级流体的速度图（velocity diagram），习惯上称为速度三角形。
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