The axial velocity, fluctuation velocity, the turbulence intensity, and transverse velocity of the fine particle were studied.
研究了管道中近壁区颗粒的轴向速度、湍流强度和径向速度。
Different water table fluctuation velocity experiments show that the influence of water velocity on diesel residual saturation in saturated zone is negligible.
不同水位变动速度的试验结果表明,水位变动速度对粘性大于水的柴油的残余饱和度影响可以忽略不计。
Sometimes temporal fluctuation may take place in the local velocity.
有时,在局部速度中可能出现瞬时脉动。
This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment.
摘要抽油机中载荷变化大,易引起电动机转速和转矩的波动。
The effects of fluidization number, injection velocity, particle mean diameter and static bed height on jet fluctuation are discussed.
研究了流化数、射流初始速度、颗粒平均粒径及静态床层高度对射流脉动特性的影响。
The so-called velocity of light invariable is the light fluctuation speed is invariable.
所谓光速不变是光的波动速度不变。
Next, this paper gives a description and demonstration of long-term trend and short-term fluctuation of China's monetary velocity.
其次,本文对我国货币流通速度的长期趋势和短期波动现象进行描述与论证。
The subrogation of primaries will not bring serious velocity fluctuation if the design is appropriate.
设计合理时初级的更替不会造成速度严重波动;
The result shows that the flow field near the connection of the big and small cone sections is more fluent, particularly the fluctuation of the axial velocity of the hydrocyclone is greatly reduced.
结果表明,在大、小锥段交接处附近的流场更加顺畅,特别是水力旋流器轴向速度的波动明显减少。
When the mixture velocity accelerates, the chaotic extent of fluctuations increases, and the fluctuation is sensitive to the initial conditions.
气液相混合速度增加,液塞速度波动的混沌程度增大,并且液塞速度波动对初始条件的敏感程度越强。
This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method.
该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
The fluctuation is enhanced with the increasing of scanning velocity.
随扫描速度增加,界面形态由平直向波浪形变化;
The dynamical basis of vortex motion solution is the set of equations of turbulent velocity fluctuation.
求涡旋运动解的动力学的基础是湍流速度涨落方程。
There are many influencing factors of wind power unit such as wind velocity, confused flowing, tower-shadow effect and so on, which will bring fluctuation of wind turbine output.
风电机组发电出力的影响因素有很多,如风速、紊流、风机塔影效应等,这些因素的随机变化都会引起风机出力的波动。
The correlations between the scalar fluctuation and the velocity fluctuations for the local equilibrium turbulence are discussed.
讨论了局部平衡湍流的标量脉动与速度脉动相关。
In the power spectrum of the streamwise velocity fluctuation, the power intensity at low frequencies was larger and the power intensity at high frequencies was smaller than that for water.
在主流速度脉动能谱中,低频运动强度大于水流,而高频运动强度低于水流。
A design method of a robust rotational velocity controller of water hydraulic servomotor was presented for the uncertain parameters and the load fluctuation.
针对液压伺服马达的参数不确定性以及负载转矩脉动等问题,提出了一种鲁棒转速控制器的设计方法。
In addition, the height, density and perpendicularity of remnant stubble, straws and grass had influence on aerodynamic roughness and wind velocity fluctuation on different underlying surfaces.
此外,作物残茬、秸秆和牧草等粗糙元的高度、密度及直立性均对下垫面的空气动力学粗糙度、摩阻速度及风速脉动有一定影响。
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocity fluctuation and Reynolds shear stress have been measured for water flow in a square duct.
用这些公式和一台一维激光多普勒测速计,测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocity fluctuation and Reynolds shear stress have been measured for water flow in a square duct.
用这些公式和一台一维激光多普勒测速计,测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。
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