• 上游干涉减少了动叶顶部二次泄漏强度

    Upstream stator-rotor interaction reduces the double leakage flow intensity in the rotor tip region.

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  • 泄漏流引起分离旋涡等使静靠近轮毂处十分复杂。

    Backflow, separation and vortices result from hub leakage lead to a complex flow structure near hub in the stator passage.

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  • 另外叶根泄漏速度分量越大泄漏流转子不利影响也越大。

    Additionally, the larger the circumferential velocity component of hub leakage flow, the greater the deleterious effect of hub leakage upon the rotor flow.

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  • 根据所测量得到三维速度,清楚地展现了转子顶部的特性,特别是泄漏对顶部动的影响

    The computed conclusion show that the magnitude of tip clearance has close relationship with the intension of tip leakage flow.

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  • 同时根据气封间隙泄漏特性采用针对静叶优化方法,以期改善泄漏流压气机整体性能的影响。

    According to the properties of cavity flows, a certain optimization method is applied on the hub in order to improve the performance of compressors.

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  • 因此研究气封泄漏动的具体细节作用机理对于控制气封间隙泄漏压气机性能造成负面影响有着积极意义。

    Therefore, researches on the details and mechanisms of cavity leakage are significant for control of the negative influences, which are caused by cavity flows, on the compressors'performance.

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  • 本文针对几种不同形态顶部间隙,在环壁转动静止不同情况研究间隙内的泄漏粘性影响

    In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.

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  • 粘性无粘结果比较显示泄漏所产生的激波阻塞由激波-漏干扰所致,粘性的作用将削弱其面积和强度。

    The comparison between the viscous and non-viscous simulations shows that the intensive blockage area is caused by shock-leakage flow interaction.

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  • 运行分析允许开发者精确地找到内存泄漏发现修正应用程序运行瓶颈,使代码执行应用程序线程可视化

    Runtime analysis allows developers to pinpoint memory leaks, find and fix application performance bottlenecks, and visualize the execution flow of code and application threads.

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  • 粒子对撞机最初开始运作时候,至少在那次泄漏事故之前粒子从来没撞击过。

    When the LHC originally opened for business, before the leak, the beams never collided.

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  • 由此形成带电粒子,就叫做极地”(polarwind),可地球氢元素泄漏过程的10 ~ 15%,而几乎所有的氦气就是这种方式脱离地球的。

    The resulting stream of charged particles, called the polar wind (not to be confused with the planetary wind), accounts for 10 to 15 percent of Earth's hydrogen loss and almost its entire helium leak.

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  • 下游静叶干涉增加动叶顶部间隙非定常波动强度泄漏损失

    Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.

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  • 依赖外部能源工作具有自动节减压泄漏自动截断、禁开、温升膨胀自动卸压力自动开启等多项功能

    The pressure regulation valve, working without exterior energy, has the functions of pressure regulating, overflow closing, liquid temperature expansion relieving, and set pressure opening.

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  • 量工况,二次损失泄漏损失相对最为严重。

    Under the condition of low flowrate, the losses due to swirling flow and inner leakage are usually higher than the others.

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  • 转动部分采用铁氧体为主要材料,部分采用不锈钢,目前应用广泛泄漏

    The magnetic drive part is mainly made of ferrite, and overflow part is made of stainless steel. Currently it is the no-leakage pump applied most widely.

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  • 转动部分采用铁氧体为主要材料,部分采用不锈钢,目前应用广泛泄漏

    The magnetic drive part is mainly made of ferrite, and overflow part is made of stainless steel. Currently it is the no-leakage pump applied most widely.

    youdao

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