Hydrodynamic Characteristic of the Marine Propeller in the Oblique Flow with Various Current Angle by CFD Solver

Alireza Abbasi¹, Hassan Ghassemi^1, and Manouchehr Fadavie¹

¹Department of Maritime Engineering, Amirkabir University of Technology (AUT), Tehran, Iran

Cite this paper:
Alireza Abbasi, Hassan Ghassemi and Manouchehr Fadavie. Hydrodynamic Characteristic of the Marine Propeller in the Oblique Flow with Various Current Angle by CFD Solver. American Journal of Marine Science. 2018; 6(1):25-29. doi: 10.12691/marine-6-1-3

Abstract

The purpose of this study is to obtain the hydrodynamic characteristic of propeller in the oblique flow with various current angle (means oblique flow). The Reynolds-averaged Navier-Stokes (RANS) equations solver of the StarCCM+ software is employed with a realizable k-ε turbulent model. In the current study, the B-Series propeller (B:4-70) is used because of its use in commercial vessels. The simulation is conducted in two parts: at first, examination of propeller behavior in direct flow conditions and comparison with experimental conditions and in the next step analysis of the propeller in the oblique flow with angles of 10, 20, 30 and 40 degrees. The results are shown that the thrust and torque coefficients (K_Tx and K_Qx) are reduced by increasing the angle of flow and increasing the advance coefficient.

Keywords:
hydrodynamic characteristics b-series propeller oblique flow StarCCM+

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