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首页> 外文期刊>International Journal of Marine Engineering Innovation and Research >Analysis of Energy Efficiency of Rotate Flettner Rotor Based on Variation in Wind Direction and Rotor’s Material
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Analysis of Energy Efficiency of Rotate Flettner Rotor Based on Variation in Wind Direction and Rotor’s Material

机译：基于风向和转子材料变化的旋转流动式转子能效分析

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摘要

Flettner rotor is a cylindrical object which installed vertically on the ship's body. It rotates on its axis to utilize the airflow from the wind and help the ship to generate additional thrust force by using the principle of magnus effect. This additional thrust force produced by the flettner rotor helps to reduce the fuel consumption which used as an energy source for the main or auxiliary engine. However, the flettner rotor has possibilities to operate in a certain different condition which can affect the efficiency of the flettner rotor usage. The discussion is to find out how much power is needed to rotate a rotor based on the variation of the material being used, how does the wind direction affect the performance of the flettner rotor as an alternative ship propulsion system, how does the energy efficiency get affected by the variation of material and the wind direction. From the discussion of this bachelor thesis, it is concluded that aluminum is the material that requires the least power to rotate a flettner rotor with 77,2276 kW on the speed of 14.4 rad/s and it gives its maximum contribution when the wind direction towards the flettner rotor is coming through the port side of the ship? with the angle of 90 ° and the flettner rotor rotates in clockwise direction. It is also concluded that the best configuration of flettner rotor to produce a good energy efficiency are by using aluminum as the rotor’s material, having wind that coming through from the angle of? 90°, and the flettner rotor rotates at 14.4 rad/s with apparent wind speed at 7.2 m/s. This configuration can save fuel consumption of the ship up until 570.768 kg on 5000 km voyage.
机译：Flettner转子是圆柱形物体，船体垂直安装在船体上。它在其轴上旋转以利用风中的气流，并通过使用马格努斯效应的原理来帮助船舶产生额外的推力。由Flettner转子产生的这种额外的推力力有助于降低用作主或辅助发动机的能源的燃料消耗。然而，Flettner转子具有在某种不同条件下操作的可能性，这可能影响Flettner转子使用的效率。讨论是为了了解基于所使用材料的变化来旋转转子所需的功率，风向如何影响Flettner转子作为替代船舶推进系统的性能，如何能效如何获得受材料变化和风向的影响。从这个学士论文的讨论来看，铝是铝的材料，需要最小的电力，以旋转浮动式转子，以14.4 rad / s的速度旋转77,2276 kW，并且当风向朝向时，它会产生最大贡献Flettner转子通过船的港口侧来临？随着90°的角度，挡板转子沿顺时针方向旋转。还得出结论，Flettner转子的最佳配置，以产生良好的能量效率是通过使用铝作为转子的材料，使风通过角度来实现90°，流体转子在14.4 rad / s以7.2 m / s的风速下旋转。此配置可以将船舶的燃料消耗节省50.768公斤5000公里的航行。

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