Marine current energy estimation using the generalized gamma distribution: a case study for the upper layer of the Dardanelles Strait

Ismail Can Ulusoy*, Tarkan Erdik

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Özet

Sea currents could produce as much energy as wind currents because the average density of the oceans is about 850 times greater than that of air. Being able to accurately predict current power data is of critical importance in extracting the renewable energy potential of a specific ocean region. However, the classical power prediction formulas do not take into account the fluctuations around the mean, or turbulence. Because ocean currents are turbulent, a greater understanding of the existence of turbulence is a key factor in current power estimations. This paper principally investigates the use of the generalized gamma distribution in developing a new current power prediction formula that takes into account deviations from the mean. In addition, mean power and energy fluxes are calculated with the developed formula for the upper layers of the ocean (between 0 and 20 m) at the southern outlet of the Dardanelles as a case study. To estimate mean power and energy fluxes, 3-year hourly time series data with an average current speed of 0.381 m/s are used. Finally, the mean power and the energy fluxes are estimated to be 46.45 W/m2 and 407.23 kWh/m2/year, respectively.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)481-492
Sayfa sayısı12
DergiJournal of Ocean Engineering and Marine Energy
Hacim7
Basın numarası4
DOI'lar
Yayın durumuYayınlandı - Kas 2021

Bibliyografik not

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Finansman

This research was supported by the Istanbul Technical University (ITU) under the BAP Unit (Grant No. 42373). This study was supported by Istanbul Technical University Scientific Research Project Coordination Unit (ITU BAP) with grant number 42373.?The authors wish to thank the Turkish State Meteorological Service for providing current velocity data of the Dardanelles Strait.?I.C.U. acknowledges the support of Turkish Council of Higher Education (CoHE) for 100/2000 CoHE doctoral scholarship. This study was supported by Istanbul Technical University Scientific Research Project Coordination Unit (ITU BAP) with grant number 42373. The authors wish to thank the Turkish State Meteorological Service for providing current velocity data of the Dardanelles Strait. I.C.U. acknowledges the support of Turkish Council of Higher Education (CoHE) for 100/2000 CoHE doctoral scholarship.

FinansörlerFinansör numarası
CoHE
ITU BAP
Turkish Council of Higher Education
Turkish State Meteorological Service
Istanbul Teknik Üniversitesi42373

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