نتایج جستجو برای: wind environment

تعداد نتایج: 596074  

Wind environment in the populated built area especially in campus is important. This s tudy tes ted57 crossroad spots over of the whole campus in North China University of Technology (NCUT). The data of wind speed and direction were measured at fixed time and fixed place. The average, maximum values as well as the speed variation scale were calculated. Wind comfort criteria were adopted t...

Journal: :Wind Engineers, JAWE 2009

2017
Tim Hagemann Florian Haizmann David Schlipf Po Wen Cheng

This work presents the development of a simulation environment which allows to simulate realistic extreme events with lidar-based feedforward control. This environment includes turbulent wind fields including extreme events, wind evolution and wind field scanning with a nacelle-based lidar system. It is designed to simulate lidar-based controllers in a realistic environment. In addition, a cont...

Journal: :Wind Engineers, JAWE 2020

Journal: :amirkabir international journal of modeling, identification, simulation & control 2015
sh. asgari a. yazdizadeh m. g. kazemi

in this paper, in order to increase the efficiency, to reduce the cost and to prevent the failures of wind turbines, which lead to an extensive break down, a robust fault diagnosis system is proposed for v47/660kw wind turbine operated in manjil wind farm, gilan province, iran. according to the acquired data from iran wind turbine industry, common faults of the wind turbine such as sensor fault...

2013
Akira Nishimura Takuya Ito Junsuke Murata Toshitake Ando Yasunari Kamada Masafumi Hirota Mohan Kolhe

In future planning of the city, it is very important to consider the proper intelligent integration of renewable energy sources into the built environment for developing smart cities. Analysis of the wind velocity profile in the built environment is very important for finding out the energy content in the wind and also to analyze the performance of wind turbines in the built environment. In thi...

ژورنال: انرژی ایران 2022

In Iran, due to the high rate of economic growth and development activities, the annual demand for various energies, including electrical energy, has increased, as a result of which the construction of new power plants has become an undeniable necessity. Considering the evolution of energy in the current century and the need for renewable energies, the use of wind energy and the establishment o...

2009
Bing Wang Borong Lin

The wind environment around a building influences human lives and the design of it. Simulation by CFD software is a main method used to study wind environment. But the reliability of the simulation result needs to be proved by comparing to the measured wind environment data. Experiment and simulation on wind environment were carried out in this reasearch. What’s more, different simulation metho...

2015
Chien-Yuan Kuo Chun-Ta Tzeng Ming-Chin Ho Chi-Ming Lai Nyuk Hien Wong

The pedestrian-level wind environment quality in street canyons formed by high-rise buildings and other low-level buildings could be affected by multiple factors, such as the height and geometry of the surrounding buildings, street width, wind direction, and wind speed. This study conducted wind tunnel experiments to determine the characteristics of the pedestrian-level wind environment in stre...

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