volute centrifugal pump
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SOW series single stage double entry pump is a horizontally split volute centrifugal pump, mainly used to handle clean water or liquids similar to water in physical and chemical properties, temperature not above 105℃.
SOW系列单级双吸泵系水平中开蜗壳式离心泵,主要供输送温度不高于105℃的清水或理化性质类似于水的液体。
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With method given by the paper, the impeller and volute of centrifugal pump can been designed according to the flow rate and head, and take optimization choosing with numerical test to aubstitute for real pump or model teat.
用本文提出的方法,可以根据设计工况点或高效点的流量与压头的要求,通过数值计算,确定离心泵通流部分的形状和尺寸,并且用数值试验进行优化选择,以代替多种方案的模型或实物试验进行优化方案的选择。
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The RANS governing equation and RNG κ-ε turbulence model were used, and the flow fields at different relative positions between blade and volute tongue in a centrifugal pump were simulated by using finite volume method, under the hypothesis of steady flow.
本文选择RANS方程和RNGk-ε湍流模型,采用有限体积法,在假定流动定常的前提下对离心泵中叶片与蜗舌不同相对位置时的流场进行数值模拟,总结分析了各性能参数的计算误差在不同的相对位置时的变化规律。
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It is available to carry out numerical simulation and fluid dynamic analysis further. Based on Frozen-Rotor Approach and Rotor-Stator Approach, the numerical simulation was carried out in the centrifugal pump and the numerical results showed that the flow in the impeller and volute of centrifugal pump is periodically unsteady. Due to the interaction between impeller and volute the flow is characterized by pressure fluctuations and it is the strongest at impeller outlet and at the vicinity of the tongue. The unsteady pressure fluctuations are also one of the most important reasons to induce vibration and noise. Secondly, the flow field of the volute is characteristic of the vortex flow, and the vortex flow presents very complicated developing process which is creating, increasing and dissipating every now and then. All these lead to very large flow loss in the volute.
采用Frozen-Rotor冻结转子模式和Rotor-Stator滑移界面模式系统开展了不同工况下离心泵内叶轮与蜗壳耦合的定常和非定常流动研究,结果表明由于叶轮与蜗壳的干扰蜗壳进口周向流动的不均匀性是非常强烈的,特别是叶轮与蜗舌间的相互干扰最为强烈,一直影响到叶轮进口和蜗壳扩散管出口的流场;在蜗壳内整个流动是以旋涡形式向出口推进的,并随着包角的变化旋涡表现出十分复杂的产生、发展和耗散的演化过程,导致蜗壳内较大的流动损失。
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French physicist Papin invented a four-blade impeller centrifugal pump volute.
达芬奇所作的草图中。1689年,法国物理学家帕潘发明了四叶片叶轮的蜗壳离心泵。
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volute centrifugal pump:蜗壳式离心泵
volute casing 蜗壳 | volute centrifugal pump 蜗壳式离心泵 | volute pump 旋涡泵
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volute centrifugal pump:涡形离心泵
涡形外壳 volute casing | 涡形离心泵 volute centrifugal pump | 涡卷室 volute chamber
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volute centrifugal pump:涡卷离心泵
向量伏特计 voltmeter; vector | 涡卷离心泵 volute centrifugal pump | 涡卷泵 volute pump
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centrifugal volute pump:离心螺旋泵
centrifugal viscose rayon spinning machine 离心粘胶人造丝纺丝机 | centrifugal volute pump 离心螺旋泵 | centrifugal warming air machine 离心暖风机
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Pump, volute centrifugal:螺式离心抽水机
"螺式抽水机","Pump, volute" | "螺式离心抽水机","Pump, volute centrifugal" | "混凝土泵","Pumpcrete"
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