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Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2

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Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2. / Potter, D.; Ilić, S.; Folkard, A.
Springer Water. Springer Nature, 2020. p. 197-216 (Springer Water).

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

Harvard

Potter, D, Ilić, S & Folkard, A 2020, Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2. in Springer Water. Springer Water, Springer Nature, pp. 197-216. https://doi.org/10.1007/978-981-15-2081-5_13

APA

Potter, D., Ilić, S., & Folkard, A. (2020). Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2. In Springer Water (pp. 197-216). (Springer Water). Springer Nature. https://doi.org/10.1007/978-981-15-2081-5_13

Vancouver

Potter D, Ilić S, Folkard A. Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2. In Springer Water. Springer Nature. 2020. p. 197-216. (Springer Water). doi: 10.1007/978-981-15-2081-5_13

Author

Potter, D. ; Ilić, S. ; Folkard, A. / Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2. Springer Water. Springer Nature, 2020. pp. 197-216 (Springer Water).

Bibtex

@inbook{61a4c8db9a664059924bafdfd3bce814,
title = "Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2",
abstract = "Flood-ebb asymmetry of a tidal flow has important implications for net sediment transport and the potential extractable resource. The asymmetry of the tide in U.K. waters may be understood through the interaction of the M2 (principal lunar) and M4 (first even overtide of the M2) tidal constituents. The interaction of the M2 tide with a tidal-stream turbine will alter the M4 tide, both augmenting and reducing the M4 amplitude, leading to an alteration of flood-ebb asymmetry. In this chapter the impact of a row of tidal-stream turbines on the overtides of the M2 has been investigated through a numerical modelling study. Further, the way that additional turbines alter the way the turbines impact the shallow-water tides individually is explored. The results of the modelling show that when deployed in a row, on average, the peak velocity deficit and change to the current magnitude asymmetry (CMA) per turbine was less than were it deployed alone. The difference between the per turbine impact of turbines in a row and that of an individual turbine grew as the number of turbines in the row, and therefore the row blockage, increased. Additionally, the total area of the model domain experiencing a change to the M2 current and CMA > 1% increased with the addition of turbines to the row, for a row blockage >~10%, but remained similar to the single turbine case for lower blockage values. The implication of the change to the CMA by a turbine in a row for the asymmetry in energy conversion for its lateral neighbours was small as the turbines do not lie within the area of effect of their neighbours. However, the per turbine energy conversion increased as the number of turbines and row blockage increased, in line with theory.",
keywords = "Physical environment impact, Tidal asymmetry, Tidal-Stream array, Tidal-Stream turbines",
author = "D. Potter and S. Ili{\'c} and A. Folkard",
note = "Funding Information: Acknowledgements This work was funded by a Natural Environment Research Council studentship, part of the ENVISON Doctoral Training Program, awarded to the lead author. Thanks also goes to DHI UK for providing a student licence for MIKE, allowing this work to be undertaken. Publisher Copyright: {\textcopyright} 2020, Springer Nature Singapore Pte Ltd.",
year = "2020",
doi = "10.1007/978-981-15-2081-5_13",
language = "English",
series = "Springer Water",
publisher = "Springer Nature",
pages = "197--216",
booktitle = "Springer Water",

}

RIS

TY - CHAP

T1 - Assessing the Impact of Rows of Tidal-Stream Turbines on the Overtides of the M2

AU - Potter, D.

AU - Ilić, S.

AU - Folkard, A.

N1 - Funding Information: Acknowledgements This work was funded by a Natural Environment Research Council studentship, part of the ENVISON Doctoral Training Program, awarded to the lead author. Thanks also goes to DHI UK for providing a student licence for MIKE, allowing this work to be undertaken. Publisher Copyright: © 2020, Springer Nature Singapore Pte Ltd.

PY - 2020

Y1 - 2020

N2 - Flood-ebb asymmetry of a tidal flow has important implications for net sediment transport and the potential extractable resource. The asymmetry of the tide in U.K. waters may be understood through the interaction of the M2 (principal lunar) and M4 (first even overtide of the M2) tidal constituents. The interaction of the M2 tide with a tidal-stream turbine will alter the M4 tide, both augmenting and reducing the M4 amplitude, leading to an alteration of flood-ebb asymmetry. In this chapter the impact of a row of tidal-stream turbines on the overtides of the M2 has been investigated through a numerical modelling study. Further, the way that additional turbines alter the way the turbines impact the shallow-water tides individually is explored. The results of the modelling show that when deployed in a row, on average, the peak velocity deficit and change to the current magnitude asymmetry (CMA) per turbine was less than were it deployed alone. The difference between the per turbine impact of turbines in a row and that of an individual turbine grew as the number of turbines in the row, and therefore the row blockage, increased. Additionally, the total area of the model domain experiencing a change to the M2 current and CMA > 1% increased with the addition of turbines to the row, for a row blockage >~10%, but remained similar to the single turbine case for lower blockage values. The implication of the change to the CMA by a turbine in a row for the asymmetry in energy conversion for its lateral neighbours was small as the turbines do not lie within the area of effect of their neighbours. However, the per turbine energy conversion increased as the number of turbines and row blockage increased, in line with theory.

AB - Flood-ebb asymmetry of a tidal flow has important implications for net sediment transport and the potential extractable resource. The asymmetry of the tide in U.K. waters may be understood through the interaction of the M2 (principal lunar) and M4 (first even overtide of the M2) tidal constituents. The interaction of the M2 tide with a tidal-stream turbine will alter the M4 tide, both augmenting and reducing the M4 amplitude, leading to an alteration of flood-ebb asymmetry. In this chapter the impact of a row of tidal-stream turbines on the overtides of the M2 has been investigated through a numerical modelling study. Further, the way that additional turbines alter the way the turbines impact the shallow-water tides individually is explored. The results of the modelling show that when deployed in a row, on average, the peak velocity deficit and change to the current magnitude asymmetry (CMA) per turbine was less than were it deployed alone. The difference between the per turbine impact of turbines in a row and that of an individual turbine grew as the number of turbines in the row, and therefore the row blockage, increased. Additionally, the total area of the model domain experiencing a change to the M2 current and CMA > 1% increased with the addition of turbines to the row, for a row blockage >~10%, but remained similar to the single turbine case for lower blockage values. The implication of the change to the CMA by a turbine in a row for the asymmetry in energy conversion for its lateral neighbours was small as the turbines do not lie within the area of effect of their neighbours. However, the per turbine energy conversion increased as the number of turbines and row blockage increased, in line with theory.

KW - Physical environment impact

KW - Tidal asymmetry

KW - Tidal-Stream array

KW - Tidal-Stream turbines

UR - http://www.scopus.com/inward/record.url?scp=85119141369&partnerID=8YFLogxK

U2 - 10.1007/978-981-15-2081-5_13

DO - 10.1007/978-981-15-2081-5_13

M3 - Chapter

AN - SCOPUS:85119141369

T3 - Springer Water

SP - 197

EP - 216

BT - Springer Water

PB - Springer Nature

ER -