Numerical analysis of ducted propeller and pumpjet propulsion system using periodic computational domain

Numerical analysis of ducted propeller and pumpjet propulsion system using periodic computational... Nowadays surface and underwater vessels with modern propulsion systems and proper hydro-acoustic performance have been emerged. Pumpjet is one of these new systems, mainly employed for the underwater applications. The advantage of pumpjet over other propulsion systems can be defined by two factors including high efficiency and very low acoustic effects. In this study, the finite volume method (FVM) is implemented to predict hydrodynamic forces acting on a pumpjet propulsion system using ANSYS-CFX solver. The RANS equations with SST k-ω turbulent model are solved in a periodic computational domain around the pumpjet. First, the presented numerical model is applied to a ducted propeller and the numerical results obtained for thrust and torque coefficients and hydrodynamic efficiency are presented and compared with available experimental results. Then, this model is used for analysis of flow around the pumpjet. The numerical results of thrust, torque and hydrodynamic efficiency for pumpjet are presented in different advance coefficients. Velocity and pressure distributions on pumpjet blades are also shown and discussed. Journal of Marine Science and Technology Springer Journals

Numerical analysis of ducted propeller and pumpjet propulsion system using periodic computational domain

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Springer Japan
Copyright © 2017 by JASNAOE
Engineering; Automotive Engineering; Engineering Fluid Dynamics; Engineering Design; Offshore Engineering; Mechanical Engineering
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