Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/127943
Title: Influence of drift angle on the propulsive efficiency of a fully appended container ship (KCS) using Computational Fluid Dynamics
Authors: Zhang, Yifu
Windén, Björn
Díaz Ojeda, Héctor Rubén 
Hudson, Dominic
Turnock, Stephen
UNESCO Clasification: 3319 Tecnología naval
Keywords: Hull–propeller–rudder interaction
Drift angle and rudder angle
Wake fraction and thrust deduction
Wind assist
Computational Fluid Dynamics (CFD), et al
Issue Date: 2024
Project: PID2022-140481OB-I00
Journal: Ocean Engineering 
Abstract: To estimate the powering and manoeuvring performance of the ship in a real seaway, it is essential to accurately determine forces acting on the hull, propeller, rudder and their interaction effects when operating at an angle of drift. The rotating propeller alters the fluid flow around the upstream hull and the downstream rudder. Likewise, when a non-zero drift or rudder angle is applied, significant crossflow is generated across the propeller plane, changing the wakefield and the actual performance of the propeller. A study is conducted to analyse the hull–propeller–rudder interaction of the benchmark KRISO Container Ship (KCS) in calm water using Computational Fluid Dynamics (CFD). The KCS is studied at drift angles of −10◦, 0◦ and +10◦, combined with a series of rudder angles (−35◦ to +35◦), which can represent quasi-static phases of an actual ship manoeuvre. The propeller is modelled using two body force models, Blade Element Momentum Theory and the Yamazaki model. Good agreement is found between experimental and numerical results when predicting hull forces and wave patterns at drift, providing a good reference for experimental measurement of the hull and its appendage forces at drift and future validation of actual dynamic manoeuvring simulations.
URI: http://hdl.handle.net/10553/127943
ISSN: 0029-8018
DOI: 10.1016/j.oceaneng.2023.116537
Source: Ocean Engineering [ISSN 0029-8018, eISSN: 1873-5258], v. 292, (116537), (2024)
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