Irregular wind gust at sitakundu of Bangladesh

Wind energy is a non polluting cost-effective renewable energy source. The science of exploration of wind power is not a new one. For the past few centuries, people have been extracting energy from the wind in various ways. One means of converting wind energy to a more useful form is through the use of windmills. Wind power technology in Bangladesh has been growning significantly in the last decade. Capacity of wind turbines has been increased significantly and at the same time, the cost of generating power from wind has come down. For the purpose of wind data, first of all the wind data of the coastal areas in Bangladesh from January to December, 2006 is to be collected and sorted in sequence in appropriate frequency. The data are further analyzed and converted into several useful parameters, like daily mean wind speed, monthly mean wind speed, and mean annual wind speed. After that, the velocity frequency bar graph, energy bar graph, velocity duration curve, etc. have been plotted and analyzed. During the analysis, it has been found that an unusual wind characteristic at sitakundu on September, 2006 with respect to other month. This unusual wind behavior further analysis for determining wind gusts and Weibull parameters. The wind speed data of a location has been fitted to Weibull function to find different parameters for that site. The value of Weibull shape factor (k) and Weibull scale factor (c) have been calculated by different methods and compared and plotted them by employing different methods. Although the peak wind velocity, the equivalent pressure on rigid bodies, and the dynamic along wind response of flexible structures are component parts of the gust buffeting problem, different procedures have been developed in the technical literature with reference to each of these subjects.