Numerical Investigation of Hydrostatic and Hydrodynamic Forces from Translational and Rotational Motions of a Floating Wind Turbine

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Baroni Mohammad; BAKHTIARI MORTEZA; AleAli Nasim; SADRINASAB MASOUD

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Journal: HYDROPHYSICS Year:2018 | Volume:4 | Issue:1 Page(s): 33-43

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Title

Numerical Investigation of Hydrostatic and Hydrodynamic Forces from Translational and Rotational Motions of a Floating Wind Turbine

Author(s)

Baroni Mohammad | BAKHTIARI MORTEZA | AleAli Nasim | SADRINASAB MASOUD | Issue Writer Certificate

Keywords

Floating wind turbineQ1

Buoyancy forcesQ1

Hydrodynamic forcesQ1

MATLAB softwareQ1

Abstract

Due to the forthcoming crisis for the extraction of energy as well as environmental pollution, floating offshore wind turbines (FOWT) can be the most practical and economic way to extract offshore wind energy resources in the deep waters of intermediate depth. FOWTs are a complex system that are under simultaneous effect of movements resulting from wind and sea waves. Coupled dynamic structures and motion response equations of these turbines show geometric non-linearities between relative forces and speeds. Floating wind turbine is a compound Aero-Hydro-Servo-Elastic system, for which coupled nonlinear motion equations must be designed taking into consideration movement forces and nonlinear damping involving all effects of wind and waves on time lapse. In the present study motion response for operation conditions in translational and rotational motions were analyzed to investigate functionality and structural stability of floating offshore wind turbine under buoyancy and Hydrodynamics forces. For this, a numerical model was developed in MATLAB software. Before dynamic simulation of the FOWT under study, present modules in the model were verified. Finally the obtained results were presented in time domain. The extracted results show that in translational motions, the maximum and minimum of Buoyancy forces are in length and width directions respectively and maximum and minimum of Hydrodynamic forces values are in surge and sway directions respectively. Also, in rotational motions maximum and minimum of Buoyancy forces are in length and vertical directions respectively and maximum and minimum of the Hydrodynamic forces are in vertical and width directions respectively.

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APA: Copy

Baroni, Mohammad, BAKHTIARI, MORTEZA, AleAli, Nasim, & SADRINASAB, MASOUD. (2018). Numerical Investigation of Hydrostatic and Hydrodynamic Forces from Translational and Rotational Motions of a Floating Wind Turbine. HYDROPHYSICS, 4(1 ), 33-43. SID. https://sid.ir/paper/264858/en

Vancouver: Copy

Baroni Mohammad, BAKHTIARI MORTEZA, AleAli Nasim, SADRINASAB MASOUD. Numerical Investigation of Hydrostatic and Hydrodynamic Forces from Translational and Rotational Motions of a Floating Wind Turbine. HYDROPHYSICS[Internet]. 2018;4(1 ):33-43. Available from: https://sid.ir/paper/264858/en

IEEE: Copy

Mohammad Baroni, MORTEZA BAKHTIARI, Nasim AleAli, and MASOUD SADRINASAB, “Numerical Investigation of Hydrostatic and Hydrodynamic Forces from Translational and Rotational Motions of a Floating Wind Turbine,” HYDROPHYSICS, vol. 4, no. 1 , pp. 33–43, 2018, [Online]. Available: https://sid.ir/paper/264858/en

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