时均速度 meaning in English
time averaged velocity
Examples
- The velocity , turbulent intensity , and reynolds stress of the liquid was measured with ldv , while the hold up , velocity of gas were measured with piv
用ldv测量液相时均速度、湍动速度和雷诺应力，用piv测量含气率和气泡运动速度。 - For the first time the complex separated flow in the aft - end zone was measured using pdpa technology . the whole mean and fluctuating flow field were obtained
利用pdpa测速技术首次对燃烧室尾部的复杂分离流动进行了测量，获得了完整的时均速度和湍流脉动定量数据。 - When the plane was heated , observation showed that the shape factor increased from 1 . 5 to 2 . 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred
发现在加热的情况下，边界层的形状因子由1 . 5上升至2 . 6时均速度廓线中的平衡湍流层消失以及速度能谱中惯性子区消失等变化。 - Secondly , the relation between nusselt number and the local time - averaged velocity and temperature fields of turbulent convection was theoretically induced , which expands the field - coordinated enhancement principle to turbulent convective heat transfer
然后，在理论上导出了紊流对流换热的整体换热性能与局域时均速度场和时均温度场的一般关系式，将对流换热的场协同强化原则扩展至湍流换热。 - The detailed experimental investigation of the distribution and evolution of the mean velocity profile were executed . the signal of instantaneous velocity , the energy spectra of velocity and wave characteristics in the boundary layer have been analyzed
对局部加热的水平平板下表面边界层内的时均速度的演化规律进行了详细的测量，同时对速度脉动信号以及速度能谱进行了分析，并对边界层内的波动特性进行了研究。