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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
A Study on Effects of Blade Pitch on the Hydrodynamic Performances of a Propeller by Using CFD
Author(s)
NGUYEN Chi Cong1,2, LUONG Ngoc Loi2 and NGO Van He2
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DOI:10.17265/2159-5879/2018.01.005
Affiliation(s)
1. Vietnam Marine University, Haiphong 180000, Vietnam
2. Hanoi University of Science and Technology, Hanoi 10000, Vietnam
ABSTRACT
The main objective of this work is to use the CFD (Computational Fluid
Dynamics) technique to study the effects of pitch ratio on the controllable
pitch propeller’s thrust characteristic. The propeller analyzed is at the
following design condition: diameter of 3.65 m, speed of 200 rpm, blade number of 4, average pitch of 2.459 m, pitch ratio at 0.7 of 0.6737. The first stage
involves the mesh generation and refinement on domain of the designed
propeller. The second stage deals with the identification of initial and
boundary conditions of the mesh-equipped module. In the final stage, various
results are calculated and analyzed for pitch ratio affecting on the
propeller’s thrust characteristic. The achieved results are the basis design
and improving efficiency of the controllable pitch propeller.
KEYWORDS
Controllable pitch propeller, propeller, blade pitch, ship, CFD, thrust.
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