Hydrodynamic investigation of design parameters for a cylindrical type floating solar system

Dallán Friel; Madjid Karimirad; Trevor Whittaker; John  Doran

doi:10.1201/9781003134572

Hydrodynamic investigation of design parameters for a cylindrical type floating solar system

Dallán Friel, Madjid Karimirad, Trevor Whittaker, John Doran

School of Natural and Built Environment

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this paper, the coupled dynamic response of a moored horizontal cylinder type platform (simplified) for floating photovoltaic applications is obtained using Riflex, a non-linear time domain modelling approach. Cylinder diameter, submergence and environmental parameters are investigated and their influence on the dynamic response is discussed. Response amplitude operators, power density spectra, and response amplitudes for an irregular sea state spectrum are compared for each parametric variation. The static mooring system characteristics are found using equations of elastic catenary and compared with numerical force-excursion tests, which are found to be in general agreement. Natural periods are determined and compared with numerical free-decay tests. The dynamic responses due to first order wave forces, exerted by linear long-crested regular waves, are determined for a range of wave periods. The responses are found to be insensitive to diameter changes and mostly sensitive to submergence changes throughout the applied load cases.

Original language	English
Title of host publication	Proceedings of the 4th International Conference on Renewable Energies Offshore (RENEW 2020, 12 - 15 October 2020, Lisbon, Portugal)
Publisher	Taylor & Francis
ISBN (Electronic)	9781003134572
DOIs	https://doi.org/10.1201/9781003134572
Publication status	Published - 12 Oct 2020

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Hydrodynamic investigation of design parameters for a cylindrical type floating solar system
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abstract = "In this paper, the coupled dynamic response of a moored horizontal cylinder type platform (simplified) for floating photovoltaic applications is obtained using Riflex, a non-linear time domain modelling approach. Cylinder diameter, submergence and environmental parameters are investigated and their influence on the dynamic response is discussed. Response amplitude operators, power density spectra, and response amplitudes for an irregular sea state spectrum are compared for each parametric variation. The static mooring system characteristics are found using equations of elastic catenary and compared with numerical force-excursion tests, which are found to be in general agreement. Natural periods are determined and compared with numerical free-decay tests. The dynamic responses due to first order wave forces, exerted by linear long-crested regular waves, are determined for a range of wave periods. The responses are found to be insensitive to diameter changes and mostly sensitive to submergence changes throughout the applied load cases.",

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Hydrodynamic investigation of design parameters for a cylindrical type floating solar system. / Friel, Dallán ; Karimirad, Madjid ; Whittaker, Trevor; Doran, John .

Proceedings of the 4th International Conference on Renewable Energies Offshore (RENEW 2020, 12 - 15 October 2020, Lisbon, Portugal). Taylor & Francis, 2020.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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