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A TOpti simulation for finding fuel saving by optimising propulsion control and power management
Journal of Marine Science and Technology ( IF 2.6 ) Pub Date : 2019-05-25 , DOI: 10.1007/s00773-019-00651-2
Miikka Jaurola , Anders Hedin , Seppo Tikkanen , Kalevi Huhtala

The optimisation of load shares between parallel power sources is essential for fuel-efficient propulsion systems. A more complete power management problem can be formulated by including the propeller and its propulsion control. Not only does this allow for a reduction in the propeller load under the changing operating conditions of the vessel, but also it enables the minimisation of the machinery’s fuel consumption at load- and speed-dependent efficiency models. The need to optimise the design of the machinery in marine vessels has motivated the authors of the current article to develop a design tool for this purpose. The present case study gives an overview of the tool’s features and compares the optimal power management of a fishing boat with different propulsion control variants. Compared with a controllable pitch propeller, which is operated at a fixed speed, reductions in fuel consumption were achieved with reduced propeller speeds. The best fuel savings, approximately 11%, were achieved using a two-speed gearbox with a controllable pitch propeller.

中文翻译:

通过优化推进控制和功率管理来寻找节油的 TOpti 仿真

并行电源之间负载分配的优化对于燃油效率高的推进系统至关重要。通过包括螺旋桨及其推进控制,可以制定更完整的功率管理问题。这不仅可以在船舶不断变化的操作条件下减少螺旋桨负载,而且还可以在依赖负载和速度的效率模型下最大限度地减少机器的燃料消耗。优化船舶机械设计的需要促使本文作者为此目的开发设计工具。本案例研究概述了该工具的功能,并比较了具有不同推进控制变体的渔船的最佳功率管理。与可控螺距螺旋桨相比,它以固定速度运行,通过降低螺旋桨速度来减少燃料消耗。使用带可调螺距螺旋桨的两速变速箱实现了最佳燃油节省,约为 11%。
更新日期:2019-05-25
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