2016
DOI: 10.1016/j.prostr.2016.06.449
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Fretting fatigue induced surface cracks under shrink fitted main bearings in wind turbine rotor shafts

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Cited by 16 publications
(10 citation statements)
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“…This phenomenon was observed in the prior project "BeBen XXL", see Fig. 9, where fatigue runs with forged main shafts of a 2 MW wind turbine as specimens were conducted on the main shaft fatigue test bench [11].…”
Section: Inner Ring Creep In the Main Bearing Seatmentioning
confidence: 70%
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“…This phenomenon was observed in the prior project "BeBen XXL", see Fig. 9, where fatigue runs with forged main shafts of a 2 MW wind turbine as specimens were conducted on the main shaft fatigue test bench [11].…”
Section: Inner Ring Creep In the Main Bearing Seatmentioning
confidence: 70%
“…Due to lightweight design, the overall stiffness of the main shaft will decrease, which influences the contact between the main bearing inner ring and the main shaft bearing seat. In this fitting, there is a high risk of inner ring creep and fretting corrosion, as observed in the previous project "BeBen XXL" [11]. Finite element simulations to determine the creeping tendency of the test bench setup are carried out and a method to experimentally prove the occurrence of inner ring creep is developed.…”
Section: Introductionmentioning
confidence: 95%
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“…The bending moment is resulting from the own weight of the rotor and the vertical and horizontal wind shear. A more in depth explanation of the loads on the rotor shaft can be found in [6].…”
Section: Rotor Shaft Loadsmentioning
confidence: 99%
“…The load received by the wind turbine in the actual working process is constantly changing with the influence of natural wind [25]. The main bearing is the core component of the wind turbine, and its function is to support the rotation of the main shaft and reduce the frictional influence caused by the rotation of the main shaft [26,27]. Therefore, the quality of the main bearing will directly determine the performance of the entire equipment.…”
Section: Introductionmentioning
confidence: 99%