Abstract
Estimation of extreme wind speed potential at a region is of importance while designing tall structures such as cooling towers, stacks, transmission line towers, etc. Assessment of wind speed in a region can expediently be carried out by probabilistic modelling of historic wind speed data using an appropriate extreme value distribution. This paper illustrates the use of five parameter estimation methods of Gumbel distribution for modelling Hourly Maximum Wind Speed (HMWS) data recorded at Delhi and Visakhapatnam regions. Goodness-of-Fit (GoF) tests involving Anderson- Darling and Kolmogorov-Smirnov are used for checking the adequacy of fitting of the method to the recorded data. Root Mean Square Error (RMSE) is used for selection of a suitable method for determination of parameters of Gumbel distribution for modelling HMWS data. The results of GoF tests and RMSE show that order statistics approach is better suited for estimation of design wind speed for the regions under study.
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