Optimal design of ship-engine-propeller matching for inland ships under multiple operation conditions

SUN Lin; CHEN Hui; GUAN Cong

doi:10.19693/j.issn.1673-3185.02282

Volume 17 Issue 1

Mar. 2022

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Article Navigation > Chinese Journal of Ship Research > 2022 > 17(1): 187-195

SUN L, CHEN H, GUAN C. Optimal design of ship-engine-propeller matching for inland ships under multiple operation conditions[J]. Chinese Journal of Ship Research, 2022, 17(1): 187–195 doi: 10.19693/j.issn.1673-3185.02282

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Optimal design of ship-engine-propeller matching for inland ships under multiple operation conditions

doi: 10.19693/j.issn.1673-3185.02282

SUN Lin^{1, 2
,},
CHEN Hui^{1, 2
,
,},
GUAN Cong^{1, 2
,}

1.
School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
2.
Key Laboratory of High Performance Ship Technology of Ministry of Education, Wuhan University of Technology, Wuhan 430063, China

Received Date: 2021-01-26
Rev Recd Date: 2021-05-25

Available Online: 2022-02-22

Publish Date: 2022-03-02

Abstract

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective There are multiple operation conditions for ships navigation in inland river waterway, such as sailing downstream, upstream as well as in rapid stream, but the traditional ship-engine-propeller matching method can only ensure that the inland ships meet the design requirements when they travels upstream. Under downstream conditions, the ship propulsion's efficiency and energy utilization rate of main engine are both low, resulting in high fuel consumption and less cost-effectivness. To this end, the optimal design of ship-engine-propeller matching for the inland ships under multiple conditions is carried out. Methods First, the parameters of an inland ship's propulsion system under various conditions are designed, and the results are compared to ascertain the influence of each design parameter on the overall propulsion system. Then, the design process of the propulsion system is analyzed, and a mathematical model is established with navigation cost and propulsion system efficiency as the objective functions, and the design parameters of the propeller, main engine power and ship speeds (upstream & downstream) as variables. Finally, the main engine power and design parameters of propulsion system are determined balancing both economy and efficiency using the NSGA-II algorithm. Results The design parameters obtained using this method are easily adapted to the traffic environment of inland ships, making them more economical. Conclusion The results of this study can not only provide design tools for the selection of ship propulsion systems, but also provide a theoretical basis for its practical application.
- ship propulsion system,
- ship-engine-propeller matching,
- NSGA-II,
- multi-objective optimization

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References(14)

References

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