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3-D Simulation of Vertical-Axial Tidal Current Turbine
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AbstractVertical-axial tidal current turbine is the key for the energy converter, which has the advantages of simple structure, adaptability to flow and uncomplex convection device. It has become the hot point for research and application recently. At present, the study on the hydrodynamic performance of vertical-axial tidal current turbine is almost on 2-D numerical simulation, without the consideration of 3-D effect. CFD (Computational Fluid Dynamics) method and blade optimal control technique are used to improve accuracy in the prediction of tidal current turbine hydrodynamic performance. Numerical simulation of vertical-axial tidal current turbine is validated. Fixed and variable deflection angle turbine are comparatively studied to analysis the influence of 3-D effect and the character of fluid field and pressure field. The method, put the plate on the end of blade, of reduce the energy loss caused by 3-D effect is proposed. The 3-D CFD numerical model of vertical-axial tidal current turbine hydrodynamic performance in this study may provide theoretical, methodical and technical reference for the optimal design of turbine.
Walter de Gruyter GmbH
Title: 3-D Simulation of Vertical-Axial Tidal Current Turbine
Description:
AbstractVertical-axial tidal current turbine is the key for the energy converter, which has the advantages of simple structure, adaptability to flow and uncomplex convection device.
It has become the hot point for research and application recently.
At present, the study on the hydrodynamic performance of vertical-axial tidal current turbine is almost on 2-D numerical simulation, without the consideration of 3-D effect.
CFD (Computational Fluid Dynamics) method and blade optimal control technique are used to improve accuracy in the prediction of tidal current turbine hydrodynamic performance.
Numerical simulation of vertical-axial tidal current turbine is validated.
Fixed and variable deflection angle turbine are comparatively studied to analysis the influence of 3-D effect and the character of fluid field and pressure field.
The method, put the plate on the end of blade, of reduce the energy loss caused by 3-D effect is proposed.
The 3-D CFD numerical model of vertical-axial tidal current turbine hydrodynamic performance in this study may provide theoretical, methodical and technical reference for the optimal design of turbine.
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=== PAPER RETRACTED === === PAPER RETRACTED === === PAPER RETRACTED === === PAPER RETRACTED === === PAPER RETRACTED === === PAPER RETRACTED === Knowledge of the Problem and Intention to Act on Student Environmentally Responsible Behavior
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