<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Vertical-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.</p></abstract>

Vertical-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.

3-D Simulation of Vertical-Axial Tidal Current Turbine

Shipbuilding Engineering Collage, Harbin Engineering University, Heilongjiang, Harbin,

Shipbuilding Engineering Collage Harbin Engineering University Heilongjiang, Harbin, 150001,

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"3-D Simulation of Vertical-Axial Tidal Current Turbine"}

Vertical-axial tidal current turbine is the key for the energy converter, which has the advantages of simple structure, adaptability to flow and uncomplex...

3-D Simulation of Vertical-Axial Tidal Current Turbine

Published Online: Jan 20, 2017

Page range: 73 - 83

DOI: https://doi.org/10.1515/pomr-2016-0072

Keywords
Tidal current energy, vertical-axial turbine, hydrodynamic performance, CFD, numerical simulation, 3-D effect

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

3-D Simulation of Vertical-Axial Tidal Current Turbine

Published Online: Jan 20, 2017

Page range: 73 - 83

DOI: https://doi.org/10.1515/pomr-2016-0072

KeywordsTidal current energy, vertical-axial turbine, hydrodynamic performance, CFD, numerical simulation, 3-D effect

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Tidal current energy, vertical-axial turbine, hydrodynamic performance, CFD, numerical simulation, 3-D effect