流速的英文

[机械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate
◇流速管 pitot tube; 流速计 hydrodynamometer; rhysimeter; flowmeter; pitometer; 流速仪 current meter

• 测流速:    measurement of cur ...
• 潮流速:    tidal velocity
• 等流速:    velocity， uniform

例句与用法

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1. The velocity of the fluid is inversely proportional to the spacing of the steamlines .
   流体的流速与流线的间距成反比。
2. The river was not high, so there was not more than a two-or three-mile current .
   河里的水不大，所以流速也不过二三英里。
3. At some higher velocity the ripples or dunes disappear and the bed becomes flat .
   流速增大时，沙纹、沙垄消失，河床变平。
4. The hydrometric pendulum is sometimes used to determine flow velocities in open channels .
   测流速的摆锤有时用于确定明渠中的流速。
5. The maximum surface velocity near the center is somewhere between one and two feet per day .
   靠近中心的最大表面流速为每天大约12英尺。

百科释义

流速是流体的流动速度。当流速很小时，流体分层流动，互不混合，称为层流，或称为片流；逐渐增加流速，流体的流线开始出现波浪状的摆动，摆动的频率及振幅随流速的增加而增加，此种流况称为过渡流；当流速增加到很大时，流线不再清楚可辨，流场中有许多小漩涡，称为湍流，又称为乱流、扰流或紊流。