A three-dimensional numerical model of a horizontal axis, energy extracting turbine : an implementation on a parallel computing system
Creech, Angus C.W.
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In the last decade, there has been a resurgence of interest in tidal power as a renewable, and environmentally friendly source of electricity. Scotland is well placed in this regard, as the currents in the surrounding seas are primarily tidal; that is to say, driven by lunar and solar tides. Investigations into tidal streams as an energy source, their viability in particular locales, the efficient organisation of marine turbine farms, and most importantly, the effect of such farms on the environment, demand the use of computational fluid dynamics for effective modelling. They also require a turbine model sophisticated enough to generate realistic power output and wakes for a variety of flow conditions, yet simple enough to simulate a number of turbines on modest computing resources. What is presented here then, is the justification for such a model, the development and deployment of it during my PhD, and my validation of the model in a variety of environments.