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Volume 13
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10.3390/jmse13071375
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Influence of the Upstream Channel of a Ship Lift on the Hydrodynamic Performance of a Fleet Entry Chamber and Design of Traction Scheme

by
Haichao Chang
1,2,
Qiang Zheng
1,2,*,
Zuyuan Liu
1,2,*,
Yu Yao
2,
Xide Cheng
1,2,
Baiwei Feng
1,2 and
Chengsheng Zhan
1,2
1
Key Laboratory of High Performance Ship Technology, Ministry of Education, Wuhan 430063, China
2
School of Shipbuilding, Marine Engineering, Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
*
Authors to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2025, 13(7), 1375; https://doi.org/10.3390/jmse13071375
Submission received: 3 June 2025 / Revised: 10 July 2025 / Accepted: 17 July 2025 / Published: 18 July 2025
(This article belongs to the Section Ocean Engineering)
Versions Notes

Abstract

This study investigates the hydrodynamic performance of ships entering a ship lift compartment that is under the influence of upstream channel geometry and proposes a mechanical traction scheme to enhance operational safety and efficiency. Utilizing a Reynolds-averaged Navier–Stokes (RANS)-based computational fluid dynamics (CFD) approach with overlapping grid technology, numerical simulations were conducted for both single and grouped ships navigating through varying water depths, speeds, and shore distances. The results revealed significant transverse force oscillations near the floating navigation wall due to unilateral shore effects, posing risks of deviation. The cargo ship experienced drastic resistance fluctuations in shallow-to-very-shallow-water transitions, while tugboats were notably affected by hydrodynamic interactions during group entry. A mechanical traction system with a four-link robotic arm was designed and analyzed kinematically and statically, demonstrating structural feasibility under converted real-ship traction forces (55.1 kN). The key findings emphasize the need for collision avoidance measures in wall sections and validate the proposed traction scheme for safe and efficient ship entry/exit. This research provides critical insights for optimizing ship lift operations in restricted waters.
Keywords: ship group; ship lift; hydrodynamics; shallow water; mechanical traction ship group; ship lift; hydrodynamics; shallow water; mechanical traction

Share and Cite

MDPI and ACS Style

Chang, H.; Zheng, Q.; Liu, Z.; Yao, Y.; Cheng, X.; Feng, B.; Zhan, C. Influence of the Upstream Channel of a Ship Lift on the Hydrodynamic Performance of a Fleet Entry Chamber and Design of Traction Scheme. J. Mar. Sci. Eng. 2025, 13, 1375. https://doi.org/10.3390/jmse13071375

AMA Style

Chang H, Zheng Q, Liu Z, Yao Y, Cheng X, Feng B, Zhan C. Influence of the Upstream Channel of a Ship Lift on the Hydrodynamic Performance of a Fleet Entry Chamber and Design of Traction Scheme. Journal of Marine Science and Engineering. 2025; 13(7):1375. https://doi.org/10.3390/jmse13071375

Chicago/Turabian Style

Chang, Haichao, Qiang Zheng, Zuyuan Liu, Yu Yao, Xide Cheng, Baiwei Feng, and Chengsheng Zhan. 2025. "Influence of the Upstream Channel of a Ship Lift on the Hydrodynamic Performance of a Fleet Entry Chamber and Design of Traction Scheme" Journal of Marine Science and Engineering 13, no. 7: 1375. https://doi.org/10.3390/jmse13071375

APA Style

Chang, H., Zheng, Q., Liu, Z., Yao, Y., Cheng, X., Feng, B., & Zhan, C. (2025). Influence of the Upstream Channel of a Ship Lift on the Hydrodynamic Performance of a Fleet Entry Chamber and Design of Traction Scheme. Journal of Marine Science and Engineering, 13(7), 1375. https://doi.org/10.3390/jmse13071375

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