NDLI: Estimation of annual energy output from BCM tidal barrage and the corresponding marine environmental impact

Content Provider	Springer Nature Link
Author	Yu, Huaming Wang, Lu Kuang, Liang Yu, Haiqing Sun, Yuchen Qu, Yuhuan Wu, Xin
Copyright Year	2016
Abstract	Based on the finite-volume coastal ocean model (FVCOM), a three-dimensional numerical model FVCOM was built to simulate the ocean dynamics in pre-dam and post-dam conditions in Bachimen (BCM). The domain decomposition method, which is effective in describing the conservation of volume and non-conservation of mechanical energy in the utilization of tidal energy, was employed to estimate the theoretical tidal energy resources and developable energy resources, and to analyze the hydrodynamic effect of the tidal power station. This innovative approach has the advantage of linking physical oceanography with engineering problems. The results indicate that the theoretical annual tidal energy resources is about 2×10$^{8}$ kWh under the influence of tidal power station; Optimized power installation is confirmed according to power generation curve from numerical analysis; the developable resources is about 38.2% of theoretical tidal energy resources with the employment of one-way electricity generation. The electricity generation time and power are 3479 hours and 2.55×10$^{4}$ KW, respectively. The power station has no effect on the tide pattern which is semi-diurnal tide in both two conditions, but the amplitudes of main constituents apparently decrease in the area near the dam, with the M$_{2}$ decreasing the most, about 62.92 cm. The tidal prism shrinks to 2.28×10$^{7}$ m$^{3}$, but can still meet the flow requirement for tidal power generation. The existence of station increases the flow rate along the waterway and enhances the residual current. There are two opposite vortexes formed on the east side beside the dam of the station, which leads to pollutants gathering.
Starting Page	209
Ending Page	218
Page Count	10
File Format	PDF
ISSN	16725182
Journal	Journal of Ocean University of China
Volume Number	15
Issue Number	2
e-ISSN	19935021
Language	English
Publisher	Science Press
Publisher Date	2016-02-02
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	tidal energy resources tidal developable resources numerical simulation marine environmental effects Oceanography Meteorology
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering

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