| Interactions between tidal turbine wakes: experimental study of a group of three-bladed rotors. | |
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MedLine Citation:
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PMID: 23319702 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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It is well known that a wake will develop downstream of a tidal stream turbine owing to extraction of axial momentum across the rotor plane. To select a suitable layout for an array of horizontal axis tidal stream turbines, it is important to understand the extent and structure of the wakes of each turbine. Studies of wind turbines and isolated tidal stream turbines have shown that the velocity reduction in the wake of a single device is a function of the rotor operating state (specifically thrust), and that the rate of recovery of wake velocity is dependent on mixing between the wake and the surrounding flow. For an unbounded flow, the velocity of the surrounding flow is similar to that of the incident flow. However, the velocity of the surrounding flow will be increased by the presence of bounding surfaces formed by the bed and free surface, and by the wake of adjacent devices. This paper presents the results of an experimental study investigating the influence of such bounding surfaces on the structure of the wake of tidal stream turbines. |
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Authors:
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T Stallard; R Collings; T Feng; J Whelan |
Publication Detail:
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Type: Journal Article Date: 2013-01-14 |
Journal Detail:
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Title: Philosophical transactions. Series A, Mathematical, physical, and engineering sciences Volume: 371 ISSN: 1364-503X ISO Abbreviation: Philos Trans A Math Phys Eng Sci Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-01-15 Completed Date: 2013-02-21 Revised Date: 2013-04-24 |
Medline Journal Info:
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Nlm Unique ID: 101133385 Medline TA: Philos Trans A Math Phys Eng Sci Country: England |
Other Details:
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Languages: eng Pagination: 20120159 Citation Subset: - |
Affiliation:
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School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK. tim.stallard@manchester.ac.uk |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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