摘 要 当今世界，化石能源被大量采伐，陆地上可以直接开采的能源正在高速率地减少，与此同时大量使用化石能源所造成的环境污染问题已经越来越成为全球性的问题，在这一大环境下，全球所有的航运公司企业都在寻求一种能够降低燃料消耗量进而控制运输成本的方法。因此,各大航运企业加大寻求新能源的力度，尤其对于风能以及太阳能的研究和开发。 本文主要由以下几个研究内容组成:首先，调研搜集分析有关资料，了解风帆助推船舶有关的研究近况，再参考机翼理论,分析现有的各种帆型合理结构、空气动力性能，并选取了圆弧型翼型风帆；接着，依据目标船舶进行风帆设计，且安装风帆之后进行稳性校核；然后，利用Gambit 软件建立风帆有限元模型，导入 Fluent软件中进行数值模拟计算，得到风帆在不同速度与不同攻角情况时的升阻力、助推力和侧推力等，并基于数值模拟计算的结果进行风帆助航技术效能分析；最后，将进行实验方案的设计，得出实验的结果，对比两种不同计算方法的结果，验证数值模拟的结果。 58676
毕业论文关键词:风帆助航技术,空气动力性能，数值模拟，稳性校核
Abstract In today's world, the fossil fuel is exploited largely, the fuel under the ground is reducing at the high rate. Meanwhile the problem of environmental pollution caused by using a lot of fossil energy has increasingly become global problem. In this condition, all of the world's shipping companies are seeking to reduce fuel consumption and control method of transportation cost. Therefore, they speed up research on renewable clean energy, such as wind and solar power. This paper mainly consists of the following parts. Firstly, research on collection and analysis of relevant information and understand the research status of the sailing boats. Do some analysis of the existing various sail structures of aerodynamic performance to choose a comprehensive comparison and selection of the optimal sail. Secondly, we use wing theory and select the arc profile to match the experimental ship sail size. Thirdly we check the sailing ship stability. Then, we calculate the flow in different speed and different angle of attack of the lift and drag and analyze simulation results through the fluent software aerodynamic performance of the wing analyzing. The numerical simulation results should be applied in the ship to estimate the effect of reducing consumption. Finally， we design an experiment to check the reliability of fluent.
Key words: sail-assisted technology, aerodynamic performance, fluent, stability checking
目 录
第一章 绪论 .. 1
1.1 本文的研究背景 .. 1
1.2 本文的研究意义 .. 2
1.3.1 国内研究现状 . 3
1.3.2 国外研究现状 . 4
1.4 本文的研究内容 .. 7
第二章 风帆空气动力特性研究 . 8
2.1 风帆主要类型 . 8
2.1.1 翼帆 . 8
2.1.2 天帆 . 9
2.1.3 圆弧型风帆 10
2.1.4 其他类型的风帆 10
2.2 翼型参数的选择 11
2.3 风帆力学原理 .. 13
2.4 风帆气动性能分析 .. 14
2.5 本章小结 .. 16
第三章 风帆数值模拟 . 17
3.1 GAMBIT软件介绍 .. 17
3.2 FLUENT软件介绍 .. 17
3.2.1 FLUENT适用对象 .. 18
3.3 数值计算模型控制方程 .. 19
Fluent圆弧型风帆推力实验的设计与研究+代码:http://www.751com.cn/zidonghua/lunwen_63525.html