Simulation and Analysis of the Blade Shape of Savonius VAWT

随着可再生能源使用的发展，风电已成为世界上最为主要的能源输出之一，其重要性也受到日益重视。叶片是风力机的一个重要的组成部分，它的形状对风力机吸收风能的效率起着至关重要的作用。本课题以厦门市人事局留学人员回国择优资助项目《垂直轴微风风力发电系统的设计》为背景，主要研究小型家用垂直轴风力发电机叶片的设计，优化及计算机模拟。主要研究成果如下： 1.风力机叶片的设计 （1）探讨叶片设计的通用方法。综合国内外多种叶片设计方法，整理现有叶片设计模型理论，得出一种简单有效的、非传统形状的风力机叶片的设计方案。利用机械设计软件CATIA对叶片的形状建模，在流体工程模拟软件FLUENT中对其进行模拟分析。 ...With the development of the recycle resource, wind power becomes one of the most important renewable resources in the world, especially when the environment is badly polluted and the conventional resource is drying up. More and more attention is being paid to the wind energy for its particular merits, which is recognized by the whole world by its cleanness and recycle characteristics. Blade is on...学位：理学硕士院系专业：物理与机电工程学院物理学系_凝聚态物理学号：2005130164

An innovative Design of Vertical-axis Wind Turbines for Home Use

本文介绍了一种小型家用垂直轴风力发电系统的设计方案。该系统针对传统萨窝纽斯形(Savonius)风机叶片的形状进行优化——扭曲叶片,对各项动力学参数进行模拟实验及计算。结果表明,这种扭曲叶片型的Savonius风力机与汽车发动机相结合可以使风能利用效率得到更好的开发。An innovative vertical-axis wind power generating system for home use has been proposed and tested.The emphasis is placed on optimizing the configuration of a traditional Savonius rotor(twisting the blades),simulating and experimenting.The computing results show that a Savonius rotor with twisted blades combined with a car-alternator can reach a better coefficient of performance

Design and Simulation of a New Axial-field Permanent-magnet DC Generator

对一种新型小功率盘式永磁直流风力发电机的原理和电磁设计进行了分析和推导,利用Ansoft Maxwell 3D软件对电机的磁场分布和运动情况进行了仿真,其结果可为进一步研究提供参考。In this paper,an innovative model of vertical-axis permanent-magnet direct-current wind-energy generator has been presented.Its working principle and electromagnetic circuit design have been analyzed and optimized.Ansoft Maxwell 3D software was used to simulate the electromagnetic field and investigate the generator′s dynamic behavior.All the simulation methodology and achievements facilitate the design optimization for wind-energy generator and in-depth research

丙烯氨氧化合成丙烯腈流化床反应器的模型拟合

基于反应动力学实验结果，分析考察了丙烯氨氧化反应的动力学行为，提出了关于反应转化率与目的产物收率的幂函数形式的拟合模型，藉此对某厂丙烯腈工业流化床反应器的操作数据进行了关联，在考虑反应器中气－固流动影响的前提下，建立了丙烯腈反应器的下述宏观数学模型：反应转化率Ｘ＝０．８３２５ｕ－０．１０５８Ｒ－０．０１６４ＮＨ３Ｒ０．２５０９Ｏ２ｅｘｐ（－０．７４５９＋３５９．７９／Ｔ）丙烯腈单收ＹＡＮ＝０．０８９６ｕ０．０３４２Ｒ０．２３３３ＮＨ３（５．８２４５ｅｘｐＲ１．１３３７Ｏ２－Ｒ４．７４４５Ｏ２）ｅｘｐ（－２．０６５１＋５２２．９８／Ｔ）模型拟合的相对误差小于１０％

The Design of Energy Storage Module Based on Super Capacitor of Replacement Batteries

本文介绍了一种替代12V蓄电池的超级电容储能模块,并设计了相应的充电和稳压输出电路。通过Matlab软件对充电电流进行计算并采用L4970A和MAX668芯片进行电路设计,保证电路的效率和输出的稳定可靠。随着超级电容性能的提升,这种模块有望在部分电路代替蓄电池。A super-capacitor based module that would be capable of replacing the 12V battery is designed.In control part of the circuit, integrated circuit is employed to make the whole circuit simple,reliable and efficient.As the super capacitor's capability develops,the module may replace traditional battery in some area practically