It is important to predict the self-propulsion performance of full-scale marine vessels during the design stage. With the development of high-performance computational techniques, full-scale ship-free running simulations focused on self-propulsion performance are receiving increased attention. This study presents the results of computational fluid dynamics (CFD) simulations for a full-scale submarine propelled by a high-skew propeller. An in-house CFD code with the dynamic overset grid approach is used to simulate the rotational motion of the propeller. First, model- and full-scale simulations focused on submarine resistance and propeller open-water performance are conducted, enabling a systematic convergence study of the model. The self-propulsion performance is then predicted at the model scale, and comparisons with other available results show only small discrepancies. Finally, full-scale submarine self-propulsion simulations are conducted and the results are compared with those from the model-scale simulations with the addition of skin friction correction. Discussions on the differences between model- and full-scale self-propulsion results are presented including propeller performance, pressure distribution, boundary layer, and wake flow.
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April 2021
Research Article|
April 05 2021
Full-scale simulation of self-propulsion for a free-running submarine
Special Collection:
Advances in CFD Methods, Simulations and Applications
,
Flow and Acoustics of Unmanned Vehicles
Liwei Liu (刘李为);
Liwei Liu (刘李为)
School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Key Laboratory of Ship and Ocean Hydrodynamics of Hubei Province
, Wuhan, Hubei 430074, People's Republic of China
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Meixia Chen (陈美霞);
Meixia Chen (陈美霞)
School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Key Laboratory of Ship and Ocean Hydrodynamics of Hubei Province
, Wuhan, Hubei 430074, People's Republic of China
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Jiawei Yu (余嘉威)
;
Jiawei Yu (余嘉威)
School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Key Laboratory of Ship and Ocean Hydrodynamics of Hubei Province
, Wuhan, Hubei 430074, People's Republic of China
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Zhiguo Zhang (张志国)
;
Zhiguo Zhang (张志国)
a)
School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Key Laboratory of Ship and Ocean Hydrodynamics of Hubei Province
, Wuhan, Hubei 430074, People's Republic of China
a)Author to whom correspondence should be addressed: zzg@hust.edu.cn
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Xianzhou Wang (王先洲)
Xianzhou Wang (王先洲)
School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Key Laboratory of Ship and Ocean Hydrodynamics of Hubei Province
, Wuhan, Hubei 430074, People's Republic of China
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a)Author to whom correspondence should be addressed: zzg@hust.edu.cn
Note: This paper is part of the special topic, Advances in CFD Methods, Simulations and Applications.
Physics of Fluids 33, 047103 (2021)
Article history
Received:
December 22 2020
Accepted:
March 04 2021
Citation
Liwei Liu, Meixia Chen, Jiawei Yu, Zhiguo Zhang, Xianzhou Wang; Full-scale simulation of self-propulsion for a free-running submarine. Physics of Fluids 1 April 2021; 33 (4): 047103. https://doi.org/10.1063/5.0041334
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