Investigating Main and High-Speed Shaft Bearing Reliability through Uptower Testing PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The most prevalent failure modes in wind turbine drivetrains are main bearing failures stemming from micropitting, white etching or axial cracks in gearbox bearings, and generator bearing failures. These failures are neither well understood nor accounted for in design standards; consequently, the mitigation strategies being developed and fielded may only partially address the physics of failure and can take years to assess. The U.S. Department of Energy continues to support research programs to investigate the influence of rolling element sliding on the formation of bearing axial cracks and main bearing micropitting.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The most prevalent failure modes in wind turbine drivetrains are main bearing failures stemming from micropitting, white etching or axial cracks in gearbox bearings, and generator bearing failures. These failures are neither well understood nor accounted for in design standards; consequently, the mitigation strategies being developed and fielded may only partially address the physics of failure and can take years to assess. The U.S. Department of Energy continues to support research programs to investigate the influence of rolling element sliding on the formation of bearing axial cracks and main bearing micropitting.
Author: Erich Hau Publisher: Springer Science & Business Media ISBN: 3540292845 Category : Technology & Engineering Languages : en Pages : 792
Book Description
Wind Turbines addresses all those professionally involved in research, development, manufacture and operation of wind turbines. It provides a cross-disciplinary overview of modern wind turbine technology and an orientation in the associated technical, economic and environmental fields. It is based on the author's experience gained over decades designing wind energy converters with a major industrial manufacturer and, more recently, in technical consulting and in the planning of large wind park installations, with special attention to economics. The second edition accounts for the emerging concerns over increasing numbers of installed wind turbines. In particular, an important new chapter has been added which deals with offshore wind utilisation. All advanced chapters have been extensively revised and in some cases considerably extended
Author: U. S. Department U.S. Department of Energy Publisher: CreateSpace ISBN: 9781508860549 Category : Languages : en Pages : 46
Book Description
This book provides a detailed roadmap of technical, economic, and institutional actions by the wind industry, the wind research community, and others to optimize wind's potential contribution to a cleaner, more reliable, low-carbon, domestic energy generation portfolio, utilizing U.S. manu-facturing and a U.S. workforce. The roadmap is intended to be the beginning of an evolving, collaborative, and necessarily dynamic process. It thus suggests an approach of continual updates at least every two years, informed by its analysis activities. Roadmap actions are identified in nine topical areas, introduced below.
Author: Ralph Ellison Publisher: Penguin Books Limited ISBN: 9780241970560 Category : Fiction Languages : en Pages : 0
Book Description
The invisible man is the unnamed narrator of this impassioned novel of black lives in 1940s America. Embittered by a country which treats him as a non-being he retreats to an underground cell.
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Author: Jonathan Keller
Author: Erich Hau
Author: U. S. Department U.S. Department of Energy
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Author: Jacob Riis
Author: Edward Lee Thorndike
Author: Ellen Douglas Larned
Author: Ralph Ellison