• Plasma is not effective in diminishing the trend of flow separation when it occurs.

    出现流动分离趋势等离子体无法抑制分离趋势;

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  • The flow separation phenomena can be clearly observed from the computed velocity vector field.

    依据计算结果画出的全速度向量图清楚地观察到流动的分离现象

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  • This type of flow has not only complex flow separation, but the character of unsteady bringing noise.

    流动不仅具有复杂流动分离结构而且常常不稳定,也是噪声发生主要区域。

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  • Vortex and flow separation control has been one of the important subjects in the field of aerodynamics.

    旋涡流动分离控制一直空气动力学研究一个重要课题

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  • Experimental investigation of atmosphere plasma actuation based flow separation suppression is performed.

    进行了大气压等离子体激励抑制分离流动试验研究

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  • The pressure drag comes from the front of the swimmer exposed to the water and the flow separation behind the swimmer.

    压力带来阻力来自游泳前部水面以及后部流体分层

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  • The result shows that there exists neither flow separation nor apparent wake flow within an non-overload centrifugal impeller.

    结果表明,无过载离心叶轮内部流动没有出现分离也没有明显尾迹存在

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  • The numerical simulation demonstrate the details of the flow separation, the wake formation and the secondary flows development.

    侧重分析了叶轮内部分离流动射流尾迹区的形成特点

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  • The analysis of the flow field indicates that the flow separation near shroud had more badly influence on performance of impeller.

    详细分析了风机内部情况,发现轮盖附近流动分离现象使叶轮流体做功能力受到很大影响

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  • A 3d integral boundary layer approach is used and coupled with streamline method for determining vortex-layer-type flow separation.

    本文利用积分边界层结合流线决定涡层型流动分离

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  • But the regions of local flow separation and distortion factor of the flow at the exit section are relevant closely to the yaw angle.

    但是进气道内气流分离区域出口截面场畸变指数却与侧滑大小密切相关

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  • In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.

    本文提出了一种消除泵站水泵吸水管内旋涡流动分离圆锥形装置

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  • The study shows that complex flow separation in the diffuser can be effectively brought under control by external acoustic excitation.

    实验结果表明外部激励的方法可以控制展弦比扩压器内的复杂分离流动

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  • The results also reveal that uneven distribution of hydrodynamic pressure P is the main mechanism causing flow separation on the lee slope.

    而水压力分量分布均匀造成水流分离主要动力机制

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  • Endwall transverse movement has greater influence on flow separation structure in corner region than separated suction side boundary layer.

    横向流动对角流动分离结构影响大于吸力附面层的分离

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  • The results show that flow separation has much effect on the performance parameters, especially the efficient deficient angle of the nozzle.

    研究表明,分离流动矢量喷管性能参数尤其是有效矢量具有较大影响

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  • The intensity of rotor wakes was reduced, flow separation on rotor suction side was suppressed and the tip leakage flow was suppressed periodically.

    动叶尾迹强度明显减弱,叶背流动分离得到抑制叶尖泄漏涡也得到了周期性的抑制。

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  • An experiment was made in an annual cascade to explore the unsteady flow mechanism of skewed slot hub treatment in removing flow separation near hub.

    低速环形叶实验台上圆弧处理轮毂相对静子扩压叶栅环旋转频率对叶栅端壁区流动进行了影响实验探索

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  • Experimental results indicate that the threshold voltage becomes higher as the inflow velocity becomes higher and the flow separation becomes more serious.

    实验结果表明分离严重,来速度越大,有效抑制翼型失速分离的阈值电压越大

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  • Then, the experiment of flow separation in the nozzle was done with a solid rocket motor, and the inside pressure data along the axis of the nozzle was gotten.

    然后,利用某型号固体火箭发动机进行喷管分离试验,测得了喷管壁面上沿轴向压强分布数据

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  • Based on the sedimentation rule, the bottom sediment distribution in rake thickener is analysed, and bottom flow separation is suggested to raise the production efficiency.

    运用浓缩机的沉降规律,对浓缩机沉降料层灰分分布进行了分析,建议采用底双流制进行底流分别处理,达到增效节能的目的。

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  • Frozen type air dryer by lowering the temperature of compressed air to close to the freezing point of water, that extra water vapor condense into liquid water, thus and flow separation.

    冷冻空气干燥器通过降低压缩空气温度接近凝固点使多余的水蒸气凝结液体水,从而气流分离

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  • The streamline behaviour near a separation point of two dimensional steady and unsteady viscous flow is studied, and a general criterion for flow separation is presented in this paper.

    本文研究常、非定常粘性不可压缩流动分离附近流线性状给出了判定分离的通用判据

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  • This paper is intended to analyse how the radial component force which opposed on the bending blades affect the reaction along blade and flow separation characteristics of varying duty.

    分析弯扭叶片中,叶片径向分力沿反动度的影响工况时脱特性影响。

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  • Through studying the structure of the unsteady flow field in vibrating cascades, the coupling relationship between flow separation on the suction surface and blade vibration is revealed.

    此外,通过振荡叶栅定常流结构研究,发现了叶片吸力气流分离叶片振动之间耦合关系

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  • The results show that a positive bowed blade can restrain the corner separation and change the separation configuration, while it can not avoid the flow separation on the suction surface.

    结果表明可以有效遏止分离改变吸力面的分离形态不能完全消除吸力面的分离。

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  • The value calculation shows that bending blade may make considerable influence of flow separation in last stage of large steam turbine, in that the relative height of flow separation is reduced.

    数值计算表明大功率汽轮机末叶片采用弯扭叶片后特性较大影响相对脱流高度减少。

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  • When waves act on a vertical cylinder, there are in-line and lift forces. They are caused by the viscous effect, which induces the surface frictional force and flow separation and vortex shedding.

    通常将垂直柱体波浪场中的受力分为正向力(顺流力)升力,它们干粘性流绕钝体产生摩擦阻力由于水流绕柱分离产生漩而形成柱表面压力分布的不均匀变化而造成的。

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  • In the PIV flow visualization experiment, flow separation takes place at the top and bottom edges and two large vortices behind the model that remain attached to the back of the model are observed.

    PIV迹显示试验观察模型上下两侧发生流动分离后方旋涡,且在两个旋涡中间回流处测点风压系数大于附近测点。

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  • The flow visualization and measurement technology were used to study the flow separation, development of mass vortex and flow control mechanism of triplane at large angle of attack in a water tunnel.

    水洞研究流动分离三翼面布局飞机迎角流动机理

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