A Simple Method for Designing a Duct for a Multi-Component Ducted Propulsion System

ADMT Journal

مقاله 7، دوره 10، شماره 3، آذر 2017، صفحه 57-64   

نوع مقاله: Original Article

نویسندگان

N. M. Nouri^* ؛ Mehrdad Kalantar Neyestanaki؛ Saber Mohammadi

Department of Mechanical Engineering, Iran University of Science and Technology, Iran

چکیده

The present paper numerically discusses the design procedure of marine ducts used for multi-component ducted propulsion systems at the stern of an axisymmetric submerged body. The results are presented in the form of tables showing the effects of dihedral angel as well as camber ratio of the duct as the two most important geometrical parameters on hydrodynamic performance of the propulsion system. Furthermore, a correlation has been extracted between the results of two and three dimensional analysis of ducted propellers. The results show that the design procedure of the duct used for a ducted propulsion system could be performed using some two dimensional analyses. The simulations are performed using a Reynolds averaged Navier Stokes Equations (RANS) based Computational Fluid Dynamics (CFD) tool.

کلیدواژه‌ها

Axisymmetric submerged body؛ CFD؛ Ducted propulsion system؛ Propeller

مراجع

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