Evaluation of tidal stream energy and its impacts on surrounding dynamics in the Eastern Region of Pingtan Island, China

He Wu; Xin Wang; Bingzhen Wang; Yang Bai; Peitao Wang

doi:10.1007/s00343-017-0187-z

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Evaluation of tidal stream energy and its impacts on surrounding dynamics in the Eastern Region of Pingtan Island, China

Updated：2023-05-16

- Evaluation of tidal stream energy and its impacts on surrounding dynamics in the Eastern Region of Pingtan Island, China
- Journal of Oceanology and Limnology Vol. 35, Issue 6, Pages: 1319-1328(2017)
- Affiliations：
  
  1. Department of Mechanics Tianjin University
  2. National Ocean Technology Center
  3. National Marine Environmental Forecasting Center
  4. Key Laboratory of Research on Marine Hazards Forecasting National Marine Environmental Forecasting Center State Oceanic Administration
- Author bio：
- Funds：
- DOI：10.1007/s00343-017-0187-z
  CLC：
- Online First：13 March 2017，
  
  Published：2017
- Accepted：
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Wu, H., Wang, X., Wang, B. et al. Evaluation of tidal stream energy and its impacts on surrounding dynamics in the Eastern Region of Pingtan Island, China., Chin. J. Ocean. Limnol. 35, 1319–1328 (2017). https://doi.org/10.1007/s00343-017-0187-z
DOI：

Wu, H., Wang, X., Wang, B. et al. Evaluation of tidal stream energy and its impacts on surrounding dynamics in the Eastern Region of Pingtan Island, China., Chin. J. Ocean. Limnol. 35, 1319–1328 (2017). https://doi.org/10.1007/s00343-017-0187-z DOI：

摘要

Abstract

Using an improved FVCOM numerical model

combined with the momentum-sinking scheme based on the structural characteristics of specific turbines

this study analyzed the temporal and spatial distributions of tidal energy resources before and after the deployment of tidal turbines near Pingtan Island

China. Considering factors such as the distribution of tidal stream energy

bathymetry

topography

and the design parameters of the turbines

an appropriate location for a demonstration tidal turbine was selected and the corresponding energy resource was evaluated. Several sites with strong tidal streams were considered: south of the northern cape

east of the southern cape

and the southern end of Haitan Bay. The former was thought most suitable for the deployment of a tidal energy turbine

with projected power generation for approximately 470 h per month. The average power of this demonstration was about 2.4 kW

and the annual electricity output was approximately 17.47 MWh. The intervention of the turbine device had little influence on the near-field tidal stream or water level. The tidal stream was reduced slightly in the area south of the northern cape

although the effect weakened further from the turbine. Conversely

the velocity increased slightly on both sides of the demonstration site. The difference in current speed with and without the turbine was greater at slack tide than still tide. The influence of turbine operation on water level was minor. The method adopted in this study can be considered a reference for the selection of sites for the demonstration of tidal stream energy. However

the method is unable describe the dynamic characteristics of the turbulent flow surrounding the deployed turbines

which has an important role regarding the optimal designs of the turbine blade and pile foundations. Therefore

we will continue to work to improve this model in future research.

关键词

Keywords

references

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