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Specialization in Ocean Energy MODELLING OF WAVE ENERGY CONVERSION António F.O. Falcão Instituto Superior Técnico, Universidade de Lisboa 2014

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Dimensional analysis applied to wave energy conversion modelling

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Dimensional analysis applied to wave energy conversion We may apply dimensional analysis techniques to model testing of wave energy converters in wave tank or wave flume.

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Assuming the device to be an exact geometric representation of the full- sized device Applying Buckingham theorem, we may replace this equation by another one with only three independent (dimensionless) variables If dynamical symilarity is to be ensured, the three dimensionless variables on the rhs must take the same values in model and full size. This will ensure the equality of all the other dimensioless variables. Note that viscosity effects and Reynolds number were ignored. However, this analysis is valid even if wave amplitude and body motion amplitude are not small.

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