Original scientific paper
https://doi.org/10.21278/brod71105
A NUMERICAL STUDY ON THE OPEN WATER PERFORMANCE OF A PROPELLER WITH SINUSOIDAL PITCH MOTION
Yoon-Ho Jang
; Department of Naval Architecture and Ocean Engineering, Inha University, Incheon 22212, Republic of Korea
Meong-Jin Eom
; Department of Naval Architecture and Ocean Engineering, Inha University, Incheon 22212, Republic of Korea
Kwang-Jun Paik
orcid.org/0000-0003-4657-5806
; Department of Naval Architecture and Ocean Engineering, Inha University, Incheon 22212, Republic of Korea
Sang-Hyun Kim
; Department of Naval Architecture and Ocean Engineering, Inha University, Incheon 22212, Republic of Korea
Gisu Song
; Samsung Ship Model Basin, Samsung Heavy Industries, Co., Ltd., Daejeon 34051, Republic of Korea
Abstract
When a ship operates in waves, the ship moves with 6 degrees-of-freedom, and a propeller at the stern of the ship cannot avoid moving due to the ship motion. Therefore, it is important to analyse the propulsion performance while considering the ship motion in waves for efficient ship operation. The pitch motion of the ship has a dominant effect on the variation of the propeller performance and results in sinusoidal pitch motion of the propeller. In this study, a numerical analysis was done using a KP458 model propeller with a diameter of 10 cm, which was designed for the KLVCC2 body plan. The propeller performance was calculated using computational fluid dynamics (CFD) at several constant tilt angles. Numerical simulations were then conducted with sinusoidal pitch motion in several conditions of varying pitch angle. The variations of the thrust and torque of the propeller in sinusoidal pitch motion were compared with the results obtained in constant tilt angles.
Keywords
CFD; Propeller performance; Sinusoidal pitch motion; Tilt angle
Hrčak ID:
236545
URI
Publication date:
31.3.2020.
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