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Numerical Simulation of Flow around a Podded Propeller

机译:螺旋桨绕流的数值模拟。

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In this paper the viscous steady flow around a podded propeller issimulated using two CFD tools. Specifically, an open source CFDtoolbox, called OpenFOAM, is further developed to study the openwater hydrodynamic performance of the podded propeller and thehydrodynamic interactions between the pod and the propeller. Thestandard k-ε turbulence model is used in the viscous flow simulation. Inaddition, the same simulation studies are also performed usingcommercial CFD software FLUENT. Numerical results obtained usingtwo CFD tools are compares with experimental measurements. Fairlygood agreement is obtained. The interaction between the strut and thepropeller and the effect of the strut on the hydrodynamic performanceare analyzed by comparing the flows around the podded propeller andthe single propeller.
机译:在本文中,使用两个CFD工具模拟了荚状螺旋桨周围的粘性稳定流。具体来说,进一步开发了一个名为OpenFOAM的开源CFDtoolbox,以研究荚状螺旋桨的露天水动力性能以及荚果和螺旋桨之间的水动力相互作用。在粘性流动模拟中使用标准的k-ε湍流模型。此外,还使用商用CFD软件FLUENT进行了相同的仿真研究。将使用两种CFD工具获得的数值结果与实验测量值进行比较。获得相当好的协议。通过比较荚状螺旋桨和单个螺旋桨周围的流量,分析了支柱与螺旋桨之间的相互作用以及支柱对水动力性能的影响。

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