Showing 51 - 60 of 1,392
This paper presents a study, carried out with the help of the French Agency of Innovation (ANVAR). It deals with the conception of a small Savonius rotor (i.e. of low power) for local production of electricity. Our challenge was to design, develop and ultimately build a prototype of such a...
Persistent link: https://www.econbiz.de/10010804464
The increasing interest among architects and planners in designing environmentally friendly buildings has led to a desire to explore and integrate renewable sources of energy. Roof mounted wind turbines is a technology that presents a high potential for integration within the built environment....
Persistent link: https://www.econbiz.de/10010804465
Renewable energy sources like wind energy are copiously available without any limitation. Reliability of wind turbine is critical to extract maximum amount of energy from the wind. The vibration signals in wind turbine's rotation parts are of universal non-Gasussian and nonstationarity and the...
Persistent link: https://www.econbiz.de/10010804599
An aero-structure code has been developed to predict the performance of a horizontal axis wind turbine (HAWT) with adaptive blades. The code is a combination of an aerodynamic code, an adaptive mesh generator and a finite element code, all developed especially for this purpose. It has been shown...
Persistent link: https://www.econbiz.de/10010804624
This paper describes the development of a Horizontal Axis Wind Turbine 3D CFD model using the Ansys Fluent solver. The model was developed to predict wind turbine performance and evaluate the capabilities of the 1D model (based on BEM Theory) developed by the authors. The two models were...
Persistent link: https://www.econbiz.de/10010804659
The aerodynamic loads for MW scale horizontal-axis wind turbines are calculated and analyzed in the established coordinate systems which are used to describe the wind turbine. In this paper, the blade element momentum (BEM) theory is employed and some corrections, such as Prandtl and Buhl...
Persistent link: https://www.econbiz.de/10010804676
We studied the improved effects a diffuser had on the output power of small wind turbine systems, aiming to introduce these systems to radio relay stations as an independent power supply system. A frustum-shaped diffuser was chosen from an economical standpoint and wind speed distribution. The...
Persistent link: https://www.econbiz.de/10010804677
A very small wind turbine system for multi-purposes was developed and its performance was reported in this paper. The rotor diameter of the turbine is 500mm. The tests of the energy output, turbine speed, power coefficient, and torque of turbine were carried out for a wide rage of free stream...
Persistent link: https://www.econbiz.de/10010804689
In this paper a novel intelligent method is applied to the problem of sizing in a hybrid power system such that the demand of residential area is met. This study is performed for Kahnouj area in south-east Iran. It is to mention that there are many similar regions around the world with this...
Persistent link: https://www.econbiz.de/10010804703
This paper reports author’s experiences of technical assistance for developing countries.
Persistent link: https://www.econbiz.de/10010804747