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Author: J. S. Rao
Publisher: Alpha Science Int'l Ltd.
ISBN: 9781842650097
Category : Technology & Engineering
Languages : en
Pages : 358
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Book Description
The blade life estimation is a multifaceted technology, involving free and forced vibration forces, that lead to the determination of steady and dynamic stresses at different critical speeds during the startup and shutdown procedures, as well as in the operational speed range. Propagation and unstable fracture are described with practical examples to estimate blade life.
Author: J. S. Rao
Publisher: Alpha Science Int'l Ltd.
ISBN: 9781842650097
Category : Technology & Engineering
Languages : en
Pages : 358
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Book Description
The blade life estimation is a multifaceted technology, involving free and forced vibration forces, that lead to the determination of steady and dynamic stresses at different critical speeds during the startup and shutdown procedures, as well as in the operational speed range. Propagation and unstable fracture are described with practical examples to estimate blade life.
Author: Murari P. Singh
Publisher: McGraw Hill Professional
ISBN: 0071635734
Category : Technology & Engineering
Languages : en
Pages : 384
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Book Description
THE LATEST STEAM TURBINE BLADE DESIGN AND ANALYTICAL TECHNIQUES Blade Design and Analysis for Steam Turbines provides a concise reference for practicing engineers involved in the design, specification, and evaluation of industrial steam turbines, particularly critical process compressor drivers. A unified view of blade design concepts and techniques is presented. The book covers advances in modal analysis, fatigue and creep analysis, and aerodynamic theories, along with an overview of commonly used materials and manufacturing processes. This authoritative guide will aid in the design of powerful, efficient, and reliable turbines. COVERAGE INCLUDES: Performance fundamentals and blade loading determination Turbine blade construction, materials, and manufacture System of stress and damage mechanisms Fundamentals of vibration Damping concepts applicable to turbine blades Bladed disk systems Reliability evaluation for blade design Blade life assessment aspects Estimation of risk
Author: Deepak Dhar
Publisher:
ISBN:
Category : Centrifugal force
Languages : en
Pages : 498
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Book Description
Author: A.P. Vassilopoulos
Publisher: Elsevier Inc. Chapters
ISBN: 0128089199
Category : Technology & Engineering
Languages : en
Pages : 55
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Book Description
Fatigue life prediction of wind turbine rotor blades is a very challenging task, as blade failure is led by different failure types that act synergistically. Inherent defects like wrinkles, fiber misalignments and voids, that can be introduced during fabrication, can constitute potential damage initiation points and rapidly develop to failure mechanisms like matrix cracking, transverse-ply cracking, interface cracking, debonding, fiber breakage, etc. Different methods have been established to address this problem, some based on phenomenological and others on actual damage mechanics modeling. This chapter aims to provide an overview of fatigue life modeling and prediction methodologies for the composite materials and structural composite elements that compose a wind turbine rotor blade under complex loading conditions.
Author: Jean E. Collin
Publisher:
ISBN:
Category :
Languages : en
Pages : 154
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Book Description
(Cont.) Geometric and flow features considered in three-dimensional studies were a seal cavity between rotor and stator, seal cavity flow, fillet geometry, and inlet boundary layers with and without seal cavity. Despite differences in blade external heat transfer of 10% - 15% in the life-limiting region, the estimated life for all blades in these studies was within 2.6% of the nominal. For turbine blades of similar design and operating conditions, given our modeling approach, it was concluded that (1) the level of heat transfer differences observed between blade designs does not play an important role in the estimation of blade life and (2) high fidelity modeling of external aer.
Author: V. P. Swaminathan
Publisher:
ISBN:
Category : Gas-turbines
Languages : en
Pages : 206
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Book Description
Author: Povl Brondsted
Publisher: Elsevier
ISBN: 0857097288
Category : Technology & Engineering
Languages : en
Pages : 485
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Book Description
Wind energy is gaining critical ground in the area of renewable energy, with wind energy being predicted to provide up to 8% of the world's consumption of electricity by 2021. Advances in wind turbine blade design and materials reviews the design and functionality of wind turbine rotor blades as well as the requirements and challenges for composite materials used in both current and future designs of wind turbine blades.Part one outlines the challenges and developments in wind turbine blade design, including aerodynamic and aeroelastic design features, fatigue loads on wind turbine blades, and characteristics of wind turbine blade airfoils. Part two discusses the fatigue behavior of composite wind turbine blades, including the micromechanical modelling and fatigue life prediction of wind turbine blade composite materials, and the effects of resin and reinforcement variations on the fatigue resistance of wind turbine blades. The final part of the book describes advances in wind turbine blade materials, development and testing, including biobased composites, surface protection and coatings, structural performance testing and the design, manufacture and testing of small wind turbine blades.Advances in wind turbine blade design and materials offers a comprehensive review of the recent advances and challenges encountered in wind turbine blade materials and design, and will provide an invaluable reference for researchers and innovators in the field of wind energy production, including materials scientists and engineers, wind turbine blade manufacturers and maintenance technicians, scientists, researchers and academics. - Reviews the design and functionality of wind turbine rotor blades - Examines the requirements and challenges for composite materials used in both current and future designs of wind turbine blades - Provides an invaluable reference for researchers and innovators in the field of wind energy production
Author: Matthew J. Donachie
Publisher: ASM International
ISBN: 1615030646
Category : Heat resistant alloys
Languages : en
Pages : 439
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Book Description
This book covers virtually all technical aspects related to the selection, processing, use, and analysis of superalloys. The text of this new second edition has been completely revised and expanded with many new figures and tables added. In developing this new edition, the focus has been on providing comprehensive and practical coverage of superalloys technology. Some highlights include the most complete and up-to-date presentation available on alloy melting. Coverage of alloy selection provides many tips and guidelines that the reader can use in identifying an appropriate alloy for a specific application. The relation of properties and microstructure is covered in more detail than in previous books.
Author: Yosif Golfman
Publisher: CRC Press
ISBN: 1439868921
Category : Science
Languages : en
Pages : 239
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Book Description
Based on rapid technological developments in wind power, governments and energy corporations are aggressively investing in this natural resource. Illustrating some of the crucial new breakthroughs in structural design and application of wind energy generation machinery, Hybrid Anisotropic Materials for Wind Power Turbine Blades explores new automat
Author: Ramaswamy Viswanathan
Publisher: ASM International
ISBN: 9780871703583
Category : Science
Languages : en
Pages : 497
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Book Description
