Paper
28 July 2023 Numerical analysis of the influence of brash ice on propeller performance with CFD-DEM method
Xiao Wen, Zhenghao Liu, Changjian Xu, Zonglong Wang, Ju Ding, Jianguo Liu
Author Affiliations +
Proceedings Volume 12756, 3rd International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2023); 1275630 (2023) https://doi.org/10.1117/12.2686168
Event: 2023 3rd International Conference on Applied Mathematics, Modelling and Intelligent Computing (CAMMIC 2023), 2023, Tangshan, China
Abstract
In this study, the influence of brash ice on propeller performance is numerically analyzed using the coupling method of Computational Fluid Dynamics (CFD) and Discrete Element Method (DEM). Among them, fluid part is modeled with CFD method, while DEM method is applied to model the brash ice and evaluate the ice-ice and ice-propeller interactions. Firstly, we carry out the numerical prediction of propeller performance under ice-free condition, and obtained efficiency coefficient corresponding to different advance coefficients, which show good agreement with experimental data. Subsequently, hydrodynamic performance of propeller in different ice-level sea areas is analyzed by gradually increasing the number of ice injectors in the calculation domain. The results show that when the content of brash ice is relatively limited, the flow characteristics around propeller is less affected, so propeller performance does not change significantly. With the increase of brash ice, the non-uniformity of flow field around the propeller rises rapidly, which leads to the fast deterioration of propeller performance. In the case with 12 DEM ice injectors, the thrust and torque coefficients increase about 10% and 6%, respectively.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiao Wen, Zhenghao Liu, Changjian Xu, Zonglong Wang, Ju Ding, and Jianguo Liu "Numerical analysis of the influence of brash ice on propeller performance with CFD-DEM method", Proc. SPIE 12756, 3rd International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2023), 1275630 (28 July 2023); https://doi.org/10.1117/12.2686168
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KEYWORDS
Ice

Numerical analysis

Computer simulations

Design and modelling

Computational fluid dynamics

Numerical simulations

Water

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