NASA NTRS · 19780011692
Fatigue load spectra for upwind and downwind rotors
Abstract
Effect of both alternating and mean load on the fatigue life of an upwind and downwind MOD-2 wind turbine system is presented. It was shown that the fatigue damage varies as the product of the stress range cubed and the maximum stress. Hence, the alternating flapwise load caused by tower shadow and wind gradient is an important factor in determining rotor blade life.
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Andrews, J. S.. 1978-01-01. Fatigue load spectra for upwind and downwind rotors. https://ntrs.nasa.gov/citations/19780011692
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