• 通过选择不同气体分子与壁面相互作用模型研究了壁面边界条件羽流撞击效应影响

    Influence of wall boundary condition on plume impingement effects is finally studied by applying various gas - (surface) interaction modeling.

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  • 结果表明丘里喉部提高脱硫效率起到关键作用,SO_2浓区位于壁面附近的局部区域

    The results showed that the venturi laryngeal is important to improve the desulphurization efficiency, the higher concentrations of SO_2 locate in the area close to the wall.

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  • 弯曲激波壁面进一步作用后发生反射,于波前气流速度不同,这种反射存在规则反射和马赫反射种类型;

    The bent shock wave is reflected at the wall. As the flow speed changes, two kinds of shock reflection have been observed.

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  • 指出热解气体注入边界层作用主要增加阻塞效应改变壁面组元浓度

    The main effect of pyrolysis gas on surface behavior which increased heat blockage of boundary layer and varied the concentration of gas species are presented.

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  • 空气涡流对燃油空气混合促进作用主要发生油束与燃烧室壁面碰撞以后。

    The function of air motion, which promotes fuel mixing with air, is great mainly after fuel spray impingement.

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  • 实验证实边界层抽吸可以有效地减小激波壁面边界层相互作用产生分离现象

    It has been confirmed by experiments that the boundary layer suction can efficiently eliminate the separation due to interaction of a reflected shock wave with the wall boundary layer.

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  • 看重分析了采煤工作面应力特点冲击劈裂式采煤相互作用关系提出了冲击煤的作业方式。

    The paper emphatically analyses the interaction between the wall stress characteristic and coal getting by impact on the longwall face, proposes the work pattern of coal breaking by impact.

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  • 考虑表面张力作用研究不可压缩、无粘性流体流过变化壁面共振流动,分析了不同的底部壁面变化非线性表面的影响。

    The resonant flow of an incompressible, inviscid fluid with surface tension on varying bottoms was researched. The effects of different bottoms on the nonlinear surface waves were analyzed.

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  • 采用紊流射流理论推出了新的壁面射流计算公式,正确描述贯穿基础建立了涡流作用空气模型

    The theory of turbulent jet has been employed to induce new formulas for wall jet, and on the base of correct spray penetration, air entrainment model in swirl field has been built.

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  • 利用相关分析方法详细讨论了作用水工建筑物平面柱面球面边壁脉动压力的点面转换关系,推导出面脉动荷载的解析表达式。

    Using the related analysis method, this article deals with the point-surface conversion of the side fluctuating pressure which ACTS on plane, cylinder and sphere in hydraulic buildings in detail.

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  • 当体积壁面传播边界层作用,会边界层内产生局部振动。

    The sources interacte with the boundary and produce local disturbance in the boundary.

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  • 着重分析相间作用包括壁面剪切应力虚拟质量拖拽力,压力传播速度和衰减的影响。

    The interphase forces on the propagation were investigated, including wall shear stress, virtual mass force and drag force.

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  • 计算结果表明增加通道深比对推力壁面能够起到强化传热作用同时增加了冷却通道的进出口

    The simulation results show that the heat transfer of rocket chamber will be enhanced when increasing the aspect ratio, but the pressure drop will increase simultaneously.

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  • 模拟结果表明壁面滑移微小通道的熔体充模流动具有明显促进作用

    The simulation result indicates that wall slip can advance melt filling in micro-channel obviously.

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  • 本文通过建立壁面流动形状简化数学模型,较准确反映了液膜流动空气流动之间相互作用关系

    In this paper, the simple mathematical model of the shape of the water film is established, and used to analyze the relation between the film flowing and the air stream.

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  • 射流角度增加使得小射流形成壁面射流及通道旋板面换热作用减弱

    The using of strengthening heat transfer of transverse flow increase as the jet angle increase.

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  • 实验结果表明,等离子体激励作用主要集中在近壁面附近;激励电压诱导速度近似线性关系,激励频率诱导速度影响不大。

    Experiment results showed that the relation between exciting voltage and induced velocity magnitude was linear, but the influence of supply frequency was not evident.

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  • 计算结果表明,弯管曲率半径壁面附近,由于膨胀稀疏作用轰波强度减弱,在局部出现前导激波与放热反应区的解藕以及二次起爆现象

    From the numerical results it is observed that as the curvature of the bend changes, different detonation phenomena occurred along the wall of the bended pipe.

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  • 对粒径为50微米颗粒也有影响,但是由于颗粒的质量较大,再加上壁面效应,其作用效果远没有2微米颗粒明显,仅近壁区颗粒浓度略有升高,而其它部分基本不变

    Although the thermophoresis force could affect the 50-micron particle, the concentration did not change as large as 2-micron particle because of the large mass and the wall effect.

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  • 研究表明煤粉气流感应式加热无油直接点火器中的着火过程交变电磁场高温壁面加热协同作用的结果。

    The results show that: the ignition process is influenced both by the electromagnetic filed and the wall with high temperature;

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  • 研究表明煤粉气流感应式加热无油直接点火器中的着火过程交变电磁场高温壁面加热协同作用的结果。

    The results show that: the ignition process is influenced both by the electromagnetic filed and the wall with high temperature;

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