... ABSTRACT In this study, an optimization method which couples a Reynolds-averaged Navier-Stokes (RANS) method and lifting line model interaction method is presented, and applied to design, for highest power output, horizontal axis marine current turbines in uniform inflow for different duct...

... ABSTRACT Marine current energy has a great potential for electricity generation while Marine Current Turbine(MCT) are proved to be efficient devices. To design a proper mooring system for a specific marine current turbine is one of the core technologies. The research presented in this paper...

... and Batten, 2007; Bahaj, Batten and McCannb, 2007). The cavitation, undersea noise, and wake flow of the propeller have also been investigated experimentally (Wang, Atlar and Sampson, 2007). Marine Current Turbines Ltd. had installed a two-bladed turbine at Devon coast, which is the world's first tidal...

... performance curve at a relative high tip speed ratio was obtained, and additional observations were made with regards to cavity size and shape as well as cavitation breakdown behavior. marine current turbine cavitation tidal stream power unit current turbine model counter-rotating type renewable...

... ocean energy drilling operation otec turbine production control current turbine pipe ocean energy investigation production logging kpp study area horizontal current power plant bathymetry island otec power plant production monitoring taiwan reservoir surveillance Green-Island...

... Performance Investigation of a Counter-rotating Tidal Current Turbine by Front and Rear Blade Angle by CFD and Model Experimentation Nak Joong Lee1, In Chul Kim1, Beom Soo Hyun2 and Young Ho Lee3 1Department of Mechanical Engineering, Graduate School, Korea Maritime and Ocean University(KMOU...

... the experimental results and numerical solution shows that they have good agreement quantitatively. It is concluded that the generator is feasible. generator renewable energy voltage numerical investigation coil generator square coil generator effective power current turbine subsurface buoy tidal...

...-in characteristic (Fergal, et al., 2010). beom-soo hyun 4 numerical investigation turbine cavitation inception ocean energy procedure naval architecture power coefficient university ocean engineering ju hyun lee 3 cavitation bemt tsr current turbine shin hyung rhee 2 renewable energy...

... ABSTRACT The present study investigates the efficiency of a vertical axis tidal current turbine for various conditions of the number of blades and layers experimentally and numerically. The vertical axis tidal current turbine is of drag force type and has arch-shaped blades. From experiments...

... ABSTRACT: In this paper, the unsteady hydrodynamic analysis of marine propellers and horizontal-axis tidal current turbines is performed by using a vortex lattice method (MPUF-3A) and a boundary element method (PROPCAV). A fully unsteady wake alignment algorithm is implemented into MPUF-3A...

... length scale fluctuation flow field sem simulation inlet reynolds reservoir characterization turbine renewable energy ocean energy cfd model velocity magnitude current turbine Modelling a Tidal Turbine in Unsteady Flow Simon Gant and Tim Stallard School of Mechanical, Aerospace and Civil...

... inexhaustible though intermittent but predictable and reliable for driving power generation turbines. electricity social responsibility requirement artificial intelligence local flow condition current turbine maintenance europe tidal current sustainable development offshore tidal current plant...