Fatigue Damage Comparison of Mechanical Components in a Land-based and a Spar Floating Wind Turbine
Journal article, Peer reviewed
Published version
![Thumbnail](/ntnu-xmlui/bitstream/handle/11250/2468536/Nejad_2015.pdf.jpg?sequence=7&isAllowed=y)
View/ Open
Date
2015Metadata
Show full item recordCollections
- Institutt for marin teknikk [3431]
- Publikasjoner fra CRIStin - NTNU [38070]
Abstract
This paper investigates the fatigue damage of the gears and bearings in a land-based and a spar-type floating wind turbine. The reference 5 MW NOWITECH gearbox is used on a land-based and a floating spar wind turbine. First, the global analysis is carried out in an aero-hydro-servo-elastic code. Next, the forces, moments and motions from the global analysis are applied to the gearbox modelled in a Multi Body Simulation (MBS) and forces on gears and bearings are obtained. The fatigue damage is then calculated based on the SN-curve approach and Palmgren-Miner linear damage hypothesis in an identical wind condition and compared for both turbines.