基于马格纳斯效应的半潜船辅助推进装置

IF 2 3区工程技术 Q2 ENGINEERING, MARINE

Polish Maritime Research Pub Date : 2022-09-01 DOI:10.2478/pomr-2022-0023

Jing Lv, Yiqun Lin, Rui Zhang, Boyang Li, Hualin Yang

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引用次数: 0

摘要

摘要本研究的目的是探索风推进在半潜式船舶上的潜力。提出了一种安装在半潜船上的新型弗莱特纳转子(双旋转气缸)系统。介绍了高20米、直径14米的两缸的结构和安装。在Fluent软件中对气缸进行了数值模拟。分析了两缸间距为3D-13D (D为缸径)时，视风角和自旋比对两缸性能的影响。当两柱间距为3D时，系统性能随自旋比的增加而提高。此外，视风角对系统性能也有影响。其中，在视风角为120°时，自旋比为3.0时，系统的推力贡献最大。最大推力可达500kn。当自旋比为2.5，视风角为120°时，系统最大有效功率为1734 kW。此外，两缸距离对系统性能的影响也不容忽视。当两缸间距为7D，转速比为2.5时，系统有效功率达到最大，为1932 kW。

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Assisted Propulsion Device of a Semi-Submersible Ship Based on the Magnus Effect

Abstract The purpose of this study is to explore the potentiality of wind propulsion on semi-submersible ships. A new type of Flettner rotor (two rotating cylinders) system installed on a semi-submersible ship is proposed. The structure and installation of two cylinders with a height of 20 m and a diameter of 14 m are introduced. The numerical simulation of the cylinder is carried out in Fluent software. The influence of apparent wind angle and spin ratio on the two cylinders are analysed, when the distance between two cylinders is 3D-13D (D is cylinder diameter). When the distance between two cylinders is 3D, the performance of the system increases with an increase in spin ratio. Moreover, the apparent wind angle also has an effect on the system performance. Specifically, the thrust contribution of the system at the apparent wind angle of 120° is the largest at the spin ratio of 3.0. The maximum thrust reaches 500 kN. When the spin ratio is 2.5 and the apparent wind angle is 120°, the maximum effective power of the system is 1734 kW. In addition, the influence of the two cylinders distance on system performance cannot be ignored. When the distance between the two cylinders is 7D and the spin ratio is 2.5, the effective power of the system reaches a maximum, which is 1932 kW.

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来源期刊

Polish Maritime Research 工程技术-工程：海洋

CiteScore

3.70

自引率

45.00%

发文量

审稿时长

>12 weeks

期刊介绍： The scope of the journal covers selected issues related to all phases of product lifecycle and corresponding technologies for offshore floating and fixed structures and their components. All researchers are invited to submit their original papers for peer review and publications related to methods of the design; production and manufacturing; maintenance and operational processes of such technical items as: all types of vessels and their equipment, fixed and floating offshore units and their components, autonomous underwater vehicle (AUV) and remotely operated vehicle (ROV). We welcome submissions from these fields in the following technical topics: ship hydrodynamics: buoyancy and stability; ship resistance and propulsion, etc., structural integrity of ship and offshore unit structures: materials; welding; fatigue and fracture, etc., marine equipment: ship and offshore unit power plants: overboarding equipment; etc.