查询词典 turbulent

The little boat kept veering from its course in such a turbulent river.

小船在这湍急的河中总是改变方向。

In this paper, the new idea simultaneously using the Planar Laser Induced Fluorescence technique and the Acoustic Doppler Velocimeter technique is applied to research the coherent structure of turbulent boundary layer.

本文在评述紊流边界层拟序结构研究现状的基础上，受前人研究工作的启发，提出了使用平面激光诱导荧光技术与声学多普勒测速技术相结合的方法同步观测和研究紊流边界层拟序结构的新思路。

In order to study the velocity distribution in open channel, a 3-D turbulent numerical model is established firstly.

为研究各种断面明渠的流速分布，本文首先建立了一个三维紊流数学模型。

Flow visualization and laser velometer measuring results show that the radialdistribution of turbulent intensity and turbulence stresses grow with the increase of voidfraction until large vortex formed near the pipe wall,and the formation of Taylor bubbleor the coalescence of bubble cluster should be restrained by intense turbulence.

流动显示和激光测速计的测量表明，湍流强度和湍流应力的径向分布均随空隙率的增长而迅速增长，直至在近壁形成大尺度涡结构，使Taylor泡的形成或气泡群的聚并被强湍流的作用抑制。

In this thesis, in order to calculate the viscid effect, Euler equations+boundary layer correction method and N-S equations+S-A turbulent model method are introduced.

另外，本文在计算流场的粘性影响时，分别采用了附面层修正+Euler方程和S-A湍流模型+N-S方程两种方法。

Considered the viscous drag, inert force and form effects imposed by the porous solid matrix to the flow, a turbulent combustion model based on fundamental equations of combustion in porous media was developed.

考虑了多孔介质的粘性力、惯性力及形状效应，以多孔介质中燃烧的基本方程为基础，推导出了多孔介质中的湍流燃烧模型。

With k- e turbulent model and wall function presented by Launder and Spalding, numerical results of viscous resistance coefficient, isoplethic maps of velocity and stress contributions areobtained.

采用k-ε紊流模式及Launder和Spalding提出的壁函数进行数值模拟，得到了该双尾船船体粘性阻力及速度、切应力的等值线分布等结果。

Turbulent flux ; Momentum ; Heat ; Water-vapour ; Thickness of ecoboundary layer

湍流通量；动量；热量；水汽；生态边界层厚度

White-water rafting is as exciting and turbulent as life.

白浪漂流令人兴奋刺激，人生的"漂流"又何尝不是如此？

With the design method described and design standard proposed in this thesis, a transonic NLF wing has been designed. Calculation shows that this NLF wing has, even in case of full turbulent boundary layer flow, good transonic aerodynamic characteristics.

本文结合民机预研项目，根据后掠机翼层流流动的特点和已有的经验提出了自然层流机翼的设计准则，用本文的三维机翼设计方法设计了一个跨音速自然层流机翼。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。