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The performance of a weir-mounted tidal turbine : Field observations and theoretical modelling. / Verbeek, M.C.; Labeur, R.J.; Uijttewaal, W.S.J.

In: Renewable Energy, Vol. 153, 2020, p. 601-614.

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@article{63a9992563594e44aa85c7b9567e5edd,
title = "The performance of a weir-mounted tidal turbine: Field observations and theoretical modelling",
abstract = "An economical way to harvest tidal energy is by integrating free stream turbines in coastal infrastructure. While numerous studies have investigated how turbines should be arranged in idealized geometries to optimize their performance, only a few have considered the influence of realistic bed features. This research investigates the influence of a hydraulic structure on the performance of a tidal turbine, using the combination of field monitoring of full scale turbines installed in a Dutch storm surge barrier - comprising a weir and pillars - and by developing a corresponding theoretical model. The observed production by the turbines was large compared to situations with an unconstrained flow for two reasons. Firstly, the flow contraction by the weir increased the mass flux through the rotor plane. Secondly, the turbine suppressed energy losses in the recirculation zone downstream of a weir. The proposed model provides a quantitative estimate of these effects and is validated against field data. The model can be used as a design tool or parametrization of turbines in a large scale shallow water model, providing performance estimates covering a range of turbine-weir configurations. The work contributes to efficiently exploiting tidal energy with turbines in coastal bridges or flood defenses.",
keywords = "Field monitoring, Production, Theoretical model, Tidal turbines, Weir",
author = "M.C. Verbeek and R.J. Labeur and W.S.J. Uijttewaal",
year = "2020",
doi = "10.1016/j.renene.2020.02.005",
language = "English",
volume = "153",
pages = "601--614",
journal = "Renewable Energy",
issn = "0960-1481",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The performance of a weir-mounted tidal turbine

T2 - Field observations and theoretical modelling

AU - Verbeek, M.C.

AU - Labeur, R.J.

AU - Uijttewaal, W.S.J.

PY - 2020

Y1 - 2020

N2 - An economical way to harvest tidal energy is by integrating free stream turbines in coastal infrastructure. While numerous studies have investigated how turbines should be arranged in idealized geometries to optimize their performance, only a few have considered the influence of realistic bed features. This research investigates the influence of a hydraulic structure on the performance of a tidal turbine, using the combination of field monitoring of full scale turbines installed in a Dutch storm surge barrier - comprising a weir and pillars - and by developing a corresponding theoretical model. The observed production by the turbines was large compared to situations with an unconstrained flow for two reasons. Firstly, the flow contraction by the weir increased the mass flux through the rotor plane. Secondly, the turbine suppressed energy losses in the recirculation zone downstream of a weir. The proposed model provides a quantitative estimate of these effects and is validated against field data. The model can be used as a design tool or parametrization of turbines in a large scale shallow water model, providing performance estimates covering a range of turbine-weir configurations. The work contributes to efficiently exploiting tidal energy with turbines in coastal bridges or flood defenses.

AB - An economical way to harvest tidal energy is by integrating free stream turbines in coastal infrastructure. While numerous studies have investigated how turbines should be arranged in idealized geometries to optimize their performance, only a few have considered the influence of realistic bed features. This research investigates the influence of a hydraulic structure on the performance of a tidal turbine, using the combination of field monitoring of full scale turbines installed in a Dutch storm surge barrier - comprising a weir and pillars - and by developing a corresponding theoretical model. The observed production by the turbines was large compared to situations with an unconstrained flow for two reasons. Firstly, the flow contraction by the weir increased the mass flux through the rotor plane. Secondly, the turbine suppressed energy losses in the recirculation zone downstream of a weir. The proposed model provides a quantitative estimate of these effects and is validated against field data. The model can be used as a design tool or parametrization of turbines in a large scale shallow water model, providing performance estimates covering a range of turbine-weir configurations. The work contributes to efficiently exploiting tidal energy with turbines in coastal bridges or flood defenses.

KW - Field monitoring

KW - Production

KW - Theoretical model

KW - Tidal turbines

KW - Weir

UR - http://www.scopus.com/inward/record.url?scp=85079667891&partnerID=8YFLogxK

U2 - 10.1016/j.renene.2020.02.005

DO - 10.1016/j.renene.2020.02.005

M3 - Article

AN - SCOPUS:85079667891

VL - 153

SP - 601

EP - 614

JO - Renewable Energy

JF - Renewable Energy

SN - 0960-1481

ER -

ID: 71011210