期刊
RENEWABLE ENERGY
卷 33, 期 6, 页码 1267-1274出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2007.06.018
关键词
tidal; current; energy; extraction; simulation; CFD
资金
- Engineering and Physical Sciences Research Council [EP/E040136/1] Funding Source: researchfish
- EPSRC [EP/E040136/1] Funding Source: UKRI
The energy available from tidal currents is substantial and considerable work has been conducted into determining the size of the resource and what the large-scale consequences of extraction might be. This paper describes the work conducted to establish a laboratory-scale model, by using the commercial computational fluid dynamics (CFD) code FLUENT (TM), in order to predict local-flow consequences resulting from the extraction of energy in two and three dimensions from within the water column in a tidal flow. As might be expected, a wake is formed but there is considerable localized flow acceleration around and, most especially, under an extraction zone. The wake behind the device is shown to be associated with a drop in the free surface which, in turn, is associated with the decline in the wake itself. (C) 2007 Elsevier Ltd. All rights reserved.
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