• The oscillation of the shear layer decreases with the increase of the plate length.

    随着腔内平板长度的增加,剪切层振荡的程度有所减小。

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  • First of all, control of the shear layer of jets by grid turbulence was studied for isothermal flows.

    首先,在冷态流动中完成了利用网格湍流控制射流剪切层的实验研究。

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  • In this paper, the investigation of the variations of the peak power and phase Angle of a laser beam passing through a turbulent shear layer is discussed.

    本文论述一个由流体力学和光学联系起来的新课题——激光通过湍流剪切层后的相位变化及峰值功率变化。

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  • The influence of passive control method of grid turbulence, on the shear layer of a jet and related premixed flames was investigated.

    研究了网格湍流的被动控制方式对射流剪切层以及相关预混火焰的影响。

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  • Most of the flames in practical combustors are established in flow fields of the structure of the shear layer of jets.

    多数实用燃烧装置的火焰建立在具有射流剪切层结构的流场中。

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  • The influence of grid turbulence on the shear layer of a jet and the premixed flames embedded in it was investigated in the present study.

    本文研究网格湍流对射流剪切层以及建立在其中的预混火焰的影响。

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  • A kind of Kelvin type vortex formed by the roll up of the jet shear layer is observed in the experiment.

    实验观察到射流迎、背流剪切涡层卷起形成类开尔文涡列。

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  • In the presence of the flow deflector, the generating of the vortices and the separating of the shear layer are avoided thereby the energy loss of the jet nozzle is reduced considerably.

    由于喷头中有了导流体,避免了涡流的产生与剪切层的分离,从而大幅度地减少了喷头的能量损失。

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  • The near wake flow fields are calculated by simultaneously solving the viscous shear layer and the inviscid rotational region.

    本文采用联立求解粘性剪切层和有旋无粘区的方法计算了再入钝头体层流近尾流场。

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  • This paper shows that the shear stress distribution in bonding layer has similar characteristics as the strain distributions near the ends of the actuator.

    通过分析可得,粘贴层剪切应力的分布与致动器端部附近的应变分布有相似的特征。

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  • This paper shows that the shear stress distribution in bending layer has similar characteristics as the strain distribution near the ends of the actuator.

    通过分析可得,粘贴层剪切应力的分布与致动器端部附近的应变分布有相似的特征。

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  • The earth dam foundation at Heilongtan Reservoir in Lunan county, Yunnan province is consisted of silty sand Layer and silty soil with low bearing capacity and poor shear strength.

    云南省路南县黑龙潭水库土坝基础属粉细沙层及低液限粉质土,允许承载力低,抗剪强度差,不足以维持坝体稳定。

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  • At the same discharge, flow shear rate of fracture fluid is high in the fracture of the thin layer, and its viscosity is low.

    在相同排量下,压裂液在薄层裂缝中流动剪切速率高,粘度低。

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  • Based on the acoustic wave sounding of the dam foundation of a water control project, the continuous ratio of J1~J4 inter layer shear zone is infered by analyzing the acoustic velocity anomaly.

    以某水利枢纽工程坝基声波探测为例 ,通过声速异常分析 ,对J1~J4层间剪切带连续率进行了推定 ,其部分成果经开挖验证具有一定的可靠性。

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  • This paper compared several mechanical models with transverse shear deformation and put forward a kind of layer model assuming that shear stresses vary parabolically through the plate thickness.

    比较了考虑横向剪切变形的几种力学模型,提出了一种新的假定剪应力沿板厚呈抛物线分布的分层模型。

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  • The effect of transverse shear deformation is considered and Angle of rotation of surface normal for each layer is different.

    这类板的横向剪切变形效应必须予以考虑,因而层板不同层的表面法线的转角是不同的。

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  • By adopting the discrete layer displacement and introducing the compatible conditions of shear stresses at interfaces and on boundary surfaces, the modified displacement field is deduced.

    采用分层位移模式,引入夹层板层间和表面剪应力协调条件,导出了位移场的修正形式。

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  • The experimental investigations were performed on the impinging shear flow that is comprised with a jet shear layer impinging a plate parallel to the jet.

    本文对撞击剪切流,即射流剪切层撞击顺流放置的平板的流动,进行了实验研究。

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  • The critical layers of waves in parallel shear flow are generally classified into three kinds: viscosity critical layer, nonlinear critical layer, and non-steady critical layer.

    平行切变流的临界层一般分为三类:粘性临界层、非线性临界层和非定常临界层。

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  • In the matrix, pure shear was dominative in locations where strain was inhomogeneous, and the direction of elongation tended to parallel the shear direction near the disconnected intensified layer;

    基质层中,靠近断开的能干层处的剪切变形中纯剪切占优势,伸长方向趋向于平行剪切方向;

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  • Adhesive layer materials for different conditions may be recommended by using of direct shear test and pullout test with SBR modified emulsion asphalt, SBS modified asphalt and Japan epoxy binder.

    采用SBR改性乳化沥青、SBS改性沥青和日本环氧粘结剂三种层间粘结剂,利用直剪试验和拉拔试验进行层间抗剪性能分析,可以推荐出适合不同条件的粘结层材料。

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  • The free shear layer is a typical flow phenomenon which includes transition and turbulence. The plane jet is a type of free shear flow more complicated than the plane mixing layer.

    自由剪切流是一种典型的包含转捩和湍流的流动现象,而平面射流是一种比平面混合层复杂的自由剪切流。

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  • The dynamic shear modulus ratio and damping ratio of soil are indispensability for seismic safety evaluation and soil layer seismic response analysis of engineering sites.

    土的动剪切模量比和阻尼比是工程场地地震安全性评价工作和土层地震反应分析中不可缺少的重要参数。

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  • The maximum values of shear stress are found in edge of the loaded area on the surface of the upper layer under resultant load.

    最大剪应力发生在综合荷载作用下,上层表面荷载边缘处。

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  • The influence of shear flow along the magnetic field accompanied with a plane current layer on the tearing instability is analyzed.

    在电流片两侧的基态速度场与磁场相互平行的位形下,讨论了速度切变对撕裂模不稳定性的影响。

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  • It is shown that the shear stress distribution in bonding layer has similar characteristics to the strain distributions near the ends of the actuator.

    通过分析可得,粘贴层切应力的分布与致动器端部附近的应变分布有相似的特征。

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  • The insufficient shear strength of waterproof bonding material will result in the jostle, piling up, wave and rut of facing layer.

    防水粘结材料抗剪强度不足会导致面层推挤、拥包、波浪和车辙的产生。

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  • Attention should be paid to the shear strength of the adhesives since the shear stress could cause failure in the adhesive layer.

    粘接剂主要以剪切的方式破坏,粘接剂剪切强度是一个值得注意的问题。

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  • Attention should be paid to the shear strength of the adhesives since the shear stress could cause failure in the adhesive layer.

    粘接剂主要以剪切的方式破坏,粘接剂剪切强度是一个值得注意的问题。

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