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  • 1
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    MARE-WINT : New Materials and Reliability in Offshore Wind Turbine Technology (2016)
    Cham : Springer
    Details
    Keywords: Energy ; Renewable energy resources ; International environmental law ; Vibration ; Dynamical systems ; Dynamics ; Renewable energy sources ; Alternate energy sources ; Green energy industries ; Environmental policy ; Energy ; Renewable and Green Energy ; Renewable and Green Energy ; International Environmental Law ; Environmental Politics ; Vibration, Dynamical Systems, Control
    Description / Table of Contents: Part I Wind Turbine Blades --- Part II Enabling Technologies for Drivetrain and Gearbox Analysis --- Part III Tower and Support Structure --- Part IV Reliability and Preventive Maintenance of Offshore Wind Turbines --- Part V CFD Analysis of a Complete Offshore Wind Turbine --- Part VI Offshore Wind Farm Design --- Part VII Offshore Wind Decommissioning
    Pages: Online-Ressource (XI, 432 pages) , 234 illustrations, 164 illustrations in color
    ISBN: 9783319390956
    URL: https://link.springer.com/openurl?genre=book&isbn=978-3-319-39095-6
    Language: English
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    E-BOOK
  • 2
    Unknown
    MARE-WINT : New Materials and Reliability in Offshore Wind Turbine Technology (2016)
    Cham : Springer
    Details
    Keywords: Energy ; Renewable energy resources ; International environmental law ; Vibration ; Dynamical systems ; Dynamics ; Renewable energy sources ; Alternate energy sources ; Green energy industries ; Environmental policy ; Energy ; Renewable and Green Energy ; Renewable and Green Energy ; International Environmental Law ; Environmental Politics ; Vibration, Dynamical Systems, Control
    Description / Table of Contents: Part I Wind Turbine Blades --- Part II Enabling Technologies for Drivetrain and Gearbox Analysis --- Part III Tower and Support Structure --- Part IV Reliability and Preventive Maintenance of Offshore Wind Turbines --- Part V CFD Analysis of a Complete Offshore Wind Turbine --- Part VI Offshore Wind Farm Design --- Part VII Offshore Wind Decommissioning
    Pages: Online-Ressource (XI, 432 pages) , 234 illustrations, 164 illustrations in color
    ISBN: 9783319390956
    URL: https://link.springer.com/openurl?genre=book&isbn=978-3-319-39095-6
    Language: English
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    E-BOOK
  • 3
    Electronic Resource
    Electronic Resource
    Bush Skewness Defect in Journal Bearing as an Example of Knowledge Base Development (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 293-294 (Sept. 2005), p. 425-432 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In the paper presented are course and results of investigations of the influence of slide bearing bush and shaft mutual skewness on the dynamic properties of the 200 MW 13K215 turboset. The defect was simulated by means of numerical model of the turboset. Simulation was performed for each bearing individually in both, horizontal and vertical planes. Maximum values of the skewness angle were calculated for each bearing at both planes. The influence of the defect on dynamic properties of turboset was presented. Basing on the results of the simulation multiple defect-symptom diagnostic relations were built. Diagnostic relations were used as learning and testing data sets for a knowledge base of an expert system based on the inverse diagnostic model. This expert system is implemented at the unit 7 at the Kozienice Power Station as a first domestic diagnostic system
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/49/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.293-294.425.pdf
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    Paper (German National Licenses)
    Fulltext
  • 4
    facet.materialart.
    Unknown
    Uncertain Parameter Numerical Model Updating According to Variable Modal Test Data in Application of Large Composite Fuselage Panel (2010)
    Hindawi
    Details
    Publication Date: 2010-01-01
    Description: This paper presents a novel approach in the field of experimental and numerical investigation of mechanical properties of composite structures. It takes into account test data variability resulting from structural dynamic properties measurement and uses them to quantify uncertainties in model parameters updating. The main goal of the conducted research is to investigate the dynamic properties of fibre reinforced composite structures. Non-destructive experimental and numerical simulation methods are used hereto. In the experimental part, different test configurations were taken into account. The excitation was performed by means of random and harmonic, single and multi point stimuli while the response measurement was done through contact and non-contact acceleration, velocity and dynamic strain sensing. The test results are applied in two ways: for the structural identification of the object and for non-deterministic updating of the numerical model according to a range of experimental models obtained from test. The sources of the test data variabilities were related to the excitation and measurement technique applied for the investigated object. Non – deterministic model updating and verification & validation included uncertainties of its parameters by means of interval and stochastic methods. A number of variable test modal models were statistically assessed to investigate impact of variability source onto modal model parameters. The presented research was conducted in the context of the FP6 Marie Curie project UNVICO-2.
    Print ISSN: 1070-9622
    Electronic ISSN: 1875-9203
    Topics: Mathematics
    Published by Hindawi
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  • 5
    facet.materialart.
    Unknown
    Updating Finite Element Model of a Wind Turbine Blade Section Using Experimental Modal Analysis Results (2014)
    Hindawi
    Details
    Publication Date: 2014-01-01
    Description: This paper presents selected results and aspects of the multidisciplinary and interdisciplinary research oriented for the experimental and numerical study of the structural dynamics of a bend-twist coupled full scale section of a wind turbine blade structure. The main goal of the conducted research is to validate finite element model of the modified wind turbine blade section mounted in the flexible support structure accordingly to the experimental results. Bend-twist coupling was implemented by adding angled unidirectional layers on the suction and pressure side of the blade. Dynamic test and simulations were performed on a section of a full scale wind turbine blade provided by Vestas Wind Systems A/S. The numerical results are compared to the experimental measurements and the discrepancies are assessed by natural frequency difference and modal assurance criterion. Based on sensitivity analysis, set of model parameters was selected for the model updating process. Design of experiment and response surface method was implemented to find values of model parameters yielding results closest to the experimental. The updated finite element model is producing results more consistent with the measurement outcomes.
    Print ISSN: 1070-9622
    Electronic ISSN: 1875-9203
    Topics: Mathematics
    Published by Hindawi
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