... the opportunity and challenges of implementing tidal energy conversion in Indonesia, from the technical, regulatory, and business aspects of ocean energy provision. The resources from recent studies, the characteristics of the ocean-related to energy conversion, and other technical aspects are also discussed...

... Abstract Though tidal stream energy is a source of electricity with low environmental impact, the manufacture and operation of tidal energy devices has inbuilt environmental impact and cost. Maintenance costs can be significant and reliability challenges have limited the growth of the sector...

... extraction while only marginally affecting the mean loading. The preliminary findings of this research provide insights about critical aspects for the design and evaluation of floating vertical-axis tidal turbine systems. tidal energy vertical-axis turbine vortex panel methods floating tidal turbine...

... on its output/results are included in the paper. Keywords: vertical-axis turbine, actuator line method, torque control, OpenFOAM, tidal energy. NOMENCLATURE Blade chord (m) Smallest distance between a given point and the th actuator line (m) Lift component per unit span on the th blade (N/m) Drag...

... is investigated. tidal energy WIG hydrodynamic performance numerical simulation HYDRODYNAMIC PERFORMANCE OF A CURRENT ENERGY GENERATOR BASED ON WIG Jian Wang School of Naval Architecture and Ocean Engineering, Harbin Institute of Technology, Weihai Weihai, Shandong, 264209 China Guanghua He* Weijie Mo...

... compared to existing vessels. A key criterion throughout the design process is minimizing the cost of the vessel to tidal turbine site developers. KEYWORDS Cable laying, dynamic positioning, environmental impact, operation and maintenance, renewable energy, tidal energy, tidal turbine installation...

..., tidal energy, tidal turbine installation INTRODUCTION The near-shore ocean is a key area for maritime countries with aspects such as recreation, mineral and energy exploitation, weather forecasting and national security integral for economic success. Understanding of coastal and oceanic processes...

... 10 01 2011 Tidal energy has received increasing attention over the past decade. This increasing focus on capturing the energy from tidal currents has brought about the development of many designs for tidal current turbines. Several of these turbines are progressing rapidly from design...

... than that of a tandem layout two-turbine system. Tidal Energy Power Coefficient Tidal Turbine Two-Turbine System Relative Efficiency Proceedings of OMAE09 28th international Conference on Offshore Mechanics and Arctic Engineering Honolulu, Hawaii from May 31-June 5, 2009 T S ha f B A V6...

... the turbine design principle, a simplified relationship between turbines distribution and turbine farm efficiency is formulated. Then, numerical simulation results are presented for a given site in British Columbia together with extended general solution. Tidal Energy Vertical Axis Tidal Turbine Lift...

... investigations on the flow curvature effects are presented. Keywords: Vertical-Axis-Hydro-Turbine; Variable Pitch; Curved Airfoil; Flow Curvature; Tidal Energy. INTRODUCTION Marine current energy is a type of renewable energy resources that has been less exploited respect to wind energy. HAVIOUR OF A NOVEL...