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Similitude relationships for physical modelling of monopile-supported offshore wind turbines

Bhattacharya, S, Lombardi, D and Wood, DM (2011) Similitude relationships for physical modelling of monopile-supported offshore wind turbines International Journal of Physical Modelling in Geotechnics, 11, 2. pp. 58-68.

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Offshore wind turbines are considered as an important element of the future energy infrastructure. There is currently a surge in the construction of such facilities in Europe, yet there is no track record of long-term performance of these structures. Offshore wind turbines are dynamically sensitive structures because of the very nature of the structural form (tall and slender) and the different types of dynamic and cyclic loading imposed on them. Lack of data concerning long-term performance indicates a need for detailed investigation to predict the future performance of such structures. Arguably this can be best carried out through small-scale well-controlled laboratory experimental investigation. In this paper, scaling laws are derived for the design of such model tests for studying the long-term performance. Non-dimensional groups that need to be preserved are identified while carrying out these tests. The effectiveness of these chosen non-dimensional groups is investigated by carrying out controlled tests on a 1:100 scale offshore wind turbine. Typical experimental data are presented.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
Bhattacharya, S
Lombardi, D
Wood, DM
Date : 1 June 2011
Additional Information : Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees.
Depositing User : Symplectic Elements
Date Deposited : 14 Oct 2013 09:27
Last Modified : 09 Jun 2014 13:37

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