Power and thrust measurements of marine current turbines under various hydrodynamic flow conditions in a cavitation tunnel and a towing tank
Bahaj, A.S., Molland, A.F., Chaplin, J.R. and Batten, W.M.J. (2007) Power and thrust measurements of marine current turbines under various hydrodynamic flow conditions in a cavitation tunnel and a towing tank. Renewable Energy, 32, (3), 407-426. (doi:10.1016/j.renene.2006.01.012).
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The results of cavitation tunnel and tank tests on an 800 mm diameter model of a marine current turbine (MCT) are presented. The tests were carried out in a 2.4 m×1.2 m cavitation tunnel and the 60 m towing tank. Results for power and thrust coefficients are presented for a range of tip speed ratio and pitch settings for various conditions. The results of this investigation provided an insight into the operation of a singe turbine in straight or yawed flow, the effect on performance of changes in the tip immersion of the rotor, the interference between twin rotors and the likely areas of cavitation inception. In addition, the analysed results presented provide useful information for the hydrodynamic design of MCTs and detailed data for the validation of numerical models.
|Keywords:||tidal stream, marine currents, marine current turbines, tidal energy, ocean energy, turbine design|
|Subjects:||T Technology > TC Hydraulic engineering. Ocean engineering
T Technology > TJ Mechanical engineering and machinery
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
T Technology > TA Engineering (General). Civil engineering (General)
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Fluid-Structure Interactions
University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||13 Nov 2007|
|Last Modified:||06 Aug 2015 02:40|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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