Damage estimates for European and US sites using the US high-cycle fatigue data base

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This paper uses two high-cycle fatigue data bases, US blade materials and one for European materials the service lifetime of a wind turbine blade sit WISPER load spectrum for northern European sit 19921 and the WISPER protocol load spectrum farm sites. The US data base, developed by Mandell, et al. (1995), contains over 2200 data points that were obtained using coupon testing procedures. These data are used to construct a Goodman diagram that is suitable for analyzing wind turbine blades. This result is compared to the Goodman diagram derived from the European fatigue data base FACT. The LIFE2 fatigue analysis ... continued below

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8 p.

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Sutherland, H.J. February 1, 1996.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Livermore, CA (United States)
    Place of Publication: Livermore, California

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This paper uses two high-cycle fatigue data bases, US blade materials and one for European materials the service lifetime of a wind turbine blade sit WISPER load spectrum for northern European sit 19921 and the WISPER protocol load spectrum farm sites. The US data base, developed by Mandell, et al. (1995), contains over 2200 data points that were obtained using coupon testing procedures. These data are used to construct a Goodman diagram that is suitable for analyzing wind turbine blades. This result is compared to the Goodman diagram derived from the European fatigue data base FACT. The LIFE2 fatigue analysis code for wind turbines is then used to predict the service lifetime of a turbine blade subjected to the two loading histories. The results of this study indicate that the WISPER load spectrum from northern European sites significantly underestimates the WISPER protocol load spectrum from a US wind farm site; i.e., the WISPER load spectrum significantly underestimates the number and magnitude of the loads observed at a US wind farm site. Further, the analyses demonstrate that the European and the US fatigue material data bases are in general agreement for the prediction of tensile failures. However, for compressive failures, the two data bases are significantly different, with the US data base predicting significantly shorter service lifetimes than the European data base.

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8 p.

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OSTI as DE96007416

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  • 11. International Energy Agency (IEA) research and development wind annex, Stuttgart (Germany), 1-2 Feb 1996

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  • Other: DE96007416
  • Report No.: SAND--96-0334C
  • Report No.: CONF-960267--1
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 211380
  • Archival Resource Key: ark:/67531/metadc666343

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  • February 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • April 12, 2016, 8:24 p.m.

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Sutherland, H.J. Damage estimates for European and US sites using the US high-cycle fatigue data base, article, February 1, 1996; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc666343/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.