The Resource Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction, by Mohammad-Amin Asareh

Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction, by Mohammad-Amin Asareh

Label
Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction
Title
Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction
Statement of responsibility
by Mohammad-Amin Asareh
Creator
Author
Subject
Language
eng
Summary
"With the advancements in the wind energy production industry, the demand for a cost effective and safe design of wind turbine structures is growing rapidly. The wide deployment of wind turbines in locations with high seismic hazard has lead engineers to take into account a more comprehensive seismic design of such structures. In response to the need for a computational tool that can perform coupled simulations of wind and seismic loads, a seismic module has been developed for the publicly available National Renewable Energy Laboratory (NREL) code, FAST, at the first step of this research. This achievement allows engineers working in this industry to directly consider interaction between seismic and other environmental loads for turbines with a freely available simulation tool. The first paper details the practical application and theory of these enhancements and provides examples for the use of different capabilities. The platform is then used to show the suitable earthquake and operational load combination with the implicit consideration of aerodynamic damping by estimating appropriate load factors. In the next step, the developed platform is used to evaluate the effects of aerodynamic and seismic load coupling on the power generation and structural dynamics behavior of wind turbines. Various turbine operation scenarios such as (i) normal operational condition, (ii) idling, and (iii) earthquake induced emergency shutdown are simulated to show the differences in generated power and dynamic response of wind turbine structures. The effects of aerodynamic damping and pitch control system are presented which show reduction in the resulting design demand loads. In the last step, a finite element model of the turbine which is calibrated with the previously implemented code is used to evaluate the fragility of wind turbines under seismic and wind excitation. This is obtained by the assessment of nonlinear dynamic behavior of a 5-MW NREL wind turbine considering different earthquake and wind intensities using the finite element model. Engineering Demand Parameters (EDP) and Intensity Measures (IM) are then obtained from Incremental Dynamic Analysis (IDA) and used to assess the probability of exceeding different Damage States (DS) using fragility curves."--Abstract, page iv
Related
Member of
Cataloging source
UMR
http://library.link/vocab/creatorName
Asareh, Mohammad-Amin
Degree
Ph. D.
Dissertation year
2015.
Funding information
Support of National Renewable Energy Laboratory (NREL)
Granting institution
Missouri University of Science and Technology
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/subjectName
  • Wind turbines
  • Wind turbines
  • Renewable energy sources
  • Earthquake engineering
Label
Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction, by Mohammad-Amin Asareh
Instantiates
Publication
Note
  • Vita
  • This dissertation contains three papers for publication
Bibliography note
Includes bibliographic references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
913413867
Extent
1 online resource (xii, 150 pages)
Form of item
online
Governing access note
These materials are protected under copyright by the original author
Media category
computer
Media MARC source
rdamedia.
Media type code
  • c
Other physical details
illustrations (most colored).
Specific material designation
remote
System control number
(OCoLC)913413867
Label
Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction, by Mohammad-Amin Asareh
Publication
Note
  • Vita
  • This dissertation contains three papers for publication
Bibliography note
Includes bibliographic references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
913413867
Extent
1 online resource (xii, 150 pages)
Form of item
online
Governing access note
These materials are protected under copyright by the original author
Media category
computer
Media MARC source
rdamedia.
Media type code
  • c
Other physical details
illustrations (most colored).
Specific material designation
remote
System control number
(OCoLC)913413867

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