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One aspect of the present invention provides a method of designing a horizontal axis wind turbine.

本发明的一个方面是提供一种设计水平轴风力涡轮机的方法。

Another aspect of the invention provides a rotor for a horizontal axis wind turbine.

本发明的另一个方面是提供一种水平轴风力涡轮机的转子。

PROPID is a computer program for design and analysis of horizontal axis wind turbine blade s.

作为一个专用程序，PROPID在水平轴风力机叶片的逆向设计与分析中有许多独特的优点。

This paper presents the modelling analysis for the rotor blade of the horizontal axis wind turbine using finite element analysis method.

用有限元分析的方法对水平轴风力机的桨叶进行了计算模态分析和研究。

This paper studies the structural dynamics of the rotor blade of the horizontal axis wind turbine using the modal analysis method.

本文用模态分析的方法研究了水平轴风力机桨叶的结构动力学特性。

Large Horizontal Axis Wind Turbine run in complicated environment, the load it endured is also very complicated.

大型水平轴风力机运行在复杂的自然环境中，所受载荷情况非常复杂。

Even in the North Hoyle, the turbine has to contain with some foroshers conditions from time to time.

为了确保风力发电机的去年的正常运作，全职的特别训练维护小组负责北Hoyle风能基地的风电机车的维护与修理。

The Vat turbine used in North Hoyle are trying for modern engineering. The communation of almost 30 years' development.

在北Hoyle风能基地，所有的风力发电机集成了发展了30余年的现代科技。

In general, the design work with traditional measures is done by hand, which cannot meet the needs of the technology and manufacture. So the author has developed a CAD hydraulic design software fit for lower specific speed axial flow runner, which is easily operated by users.The main research work of this paper is as follows:1 Analyzing the main reason of axial flow power station cannot work well under littler volume of flow in some season and putting forward an improving scheme, pointing out the characters of design under abnormal factors.2 Combined with the development of the industry in our country, the abnormal hydraulic design method of propeller turbine is discussed based on present literature, data and experiment results.3 Guided by the design method of software engineering, a suit of hydraulic design software of Lower Specific Speed Axial Flow Runner is programmed by the object-oriented programming language Visual Basic and a straightforward, concise and standard Windows human-computer dialogue interface is designed for the system, which makes the operation of the system very convenient.4 ActiveX Automation technology is adopted as the interface with AutoCAD and the hydraulic drawings are edited, modified by AutoCAD until hydraulic model drawings according with the demand of engineering practice are output.5 To resolve practice problem, the author has designed a lower specific speed axial flow runner for Duowa Power Station through an example.

论文的主要内容有：1 深入分析很多轴流定桨式水电站枯水季节小流量下不能发电的主要原因，提出减容改造方案，并指出超常规条件下的改造设计特点。2 结合国情及行业发展需要，参考现有资料、文献和前人的研究成果，进行低比转速轴流式转轮叶片水力设计方法的研究，对轴流式转轮叶片的奇点分布法水力设计进行了全面的探索，结合现代计算机技术，找到了一种针对特殊条件的轴流式转轮叶片水力设计方法。3 仔细比较多种AutoCAD二次开发工具后，结合本课题的特点，选用Visual Basic语言，综合应用软件工程的设计思想，进行低比转速轴流式转轮叶片水力设计软件的编制，为系统设计了直观、简洁和标准的Windows人机对话界面，便于用户操作；编程时在考虑到设计条件特殊性的同时，尽量做到程序的通用性，使之可用于解决同一类问题；另外，大部分程序还可移植到普通轴流式转轮叶片水力设计中，具有良好的适应性。4 利用ActiveX Automation技术与AutoCAD接口，对AutoCAD进行二次开发，在AutoCAD下实现水力图的自动生成和编辑，直至输出符合实际工程要求的木模图。5 通过算例，为多哇水电站设计了一个低比转速轴流定桨式转轮，解决其在枯水期小流量下不能发电的问题。

Shawn Frayne, founder of Humdinger Wind Energy, developed a turbine-less generator that harnesses energy from the rapid wind-induced vibration (50 cycles per second) of a seven-to-ten-foot flap of taffeta fabric.

Humdinger风动能的创始人Shawn Frayne，发明了一个无风涡轮发动机，能从一个利用7-10英尺的塔夫绸织物拍打的快速风感应装置的震动中(每秒50转)获取能量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。