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Blade Design and Analysis for Steam Turbines

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ISBN-10: 0071635742

ISBN-13: 9780071635745

Edition: 2011

Authors: Murari P. Singh, George M. Lucas

List price: $131.00
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Book details

List price: $131.00
Copyright year: 2011
Publisher: McGraw-Hill Education
Publication date: 4/14/2011
Binding: Hardcover
Pages: 384
Size: 6.30" wide x 9.30" long x 1.06" tall
Weight: 1.430
Language: English

Dr. Murari P. Singhis a Consulting Engineer / Probabilistic Lifing Leader of GE Oil & Gas for all products in the Chief Engineer’s Office. He has been involved in the design, development, and analysis of industrial turbomachinery for more than 30 years with Turbodyne Corporation, Dresser Industries, Dresser-Rand Company, and Safe Technical Solutions Inc., where he served as Director of Engineering Technology. Dr. Singh has extensive knowledge and experience with fatigue and fracture mechanics, stress and vibration of structures, reliability, life analysis, and probabilistic analysis. He developed the widely used SAFE diagram for reliability evaluation of turbine blades. Dr. Singh has…    

Importance of Blades in Steam Turbines
Brief Historical Perspective of Technological Development
Steam Turbine Design Process, Performance Estimation, and Determination of Blade Loads
Turbine Design Process
Introduction to Steam Turbine Thermodynamics
Velocity Diagrams
Euler's Equation
Impulse Turbine
Reaction Turbine
Application Requirements and Conditions of Service
Preliminary Turbine Design
Number of Stages
Airfoil Section Shape
Number of Blades
Blade Loading
Steady Loads
Unsteady Blade Loads
Turbine Blade Construction, Materials, and Manufacture
Impulse and Reaction Blades
Twisted-Tapered Airfoils
Circumferential or Tangential Dovetail Roots
Axial Roots
Pinned Roots
Shrouds and Auxiliary Dampers
Riveted Shrouds
Integral Shrouds
Z-Lock Shrouds
Auxiliary Shroud Dampers
Blade Materials
Stainless Steel
Other Blade Materials
Material Forms
Manufacturing Processes
Erosion Protection-Condensing Stages
Bladed Disk Assembly Processes
Assembly of Bladed Disks with Circumferential Dovetail Roots
Bladed Disk Assembly-Axial Fir Tree Roots
Bladed Disk Assembly-Pinned Roots
Riveted Shroud Installation
Integral Shroud Installation
Inspection, Testing, and Quality Assurance
System of Stress and Damage Mechanisms
Stress-Strain Behavior of Metals
Engineering Stress-Strain Properties
True Stress-Strain Properties
Measure of Material's Engineering Energy Capacity
Stress Tensor and Strain Tensor
Stress at a Point and Stress Concentration
Three-Dimensional Expression for Stress at a Point
Principal Stresses and Direction Cosines
Deformation and Fracture Damage
Theories of Failure under Static Loads
Damage due to Cyclic Loading
Review of Fundamentals of Vibration
Discrete Systems
Single-Degree-of-Freedom (SDOF) System
Multiple-Degree-of-Freedom (MDOF) System
System with Equal Frequencies
Continuous Systems
Cantilever Beam
Circular Plate
Damping Concepts
Rheological Model
Factors Affecting Damping
Viscous Damping
Critical Damping
Proportional Damping
Frictional Damping and Z-Lock Shroud
Simple Estimation Method-Macromodel
Dynamic Consideration
Equivalent Viscous Damping
Macroslip and Microslip
Summary of Simple Analysis
Vibration Behavior of Bladed Disk System
Single Cantilevered Blade
Packet of Blades
Individual Disks
Analysis of a Bladed Disk System
Freestanding (Blades with or without a Shroud But Not Connected to One Another)
Packeted Bladed Disk
Completely Shrouded Design
Evaluation Concepts for Blade Resonant Vibration
Campbell Diagram
Interference Diagram (SAFE Diagram)
Work Done by an Applied Force
Interference Diagram When Harmonics of Excitation Are Larger Than One-Half of the Number of Blades
Effect of Temperature and Speed on Natural Frequencies
Effect on Natural Frequency due to Centrifugal Stiffening
Lacing Wire Construction
Determination of Effects of Number of Blades in a Packet
Quick Check for Requirement of a Lacing Wire Construction
Sizing and Positioning of a Lacing Wire
Check of Stress in the Hole in the Blade
Partial Admission Stage
Damped Free Vibration
Damped Forced Vibration
Effect of Mistuning of a Bladed Disk System on Vibration Response
Impure Mode Shapes (Packeted Bladed Disk)
Graphical Method
Mathematical Expression
Effect on Response
Reliability Evaluation for Blade Design
Loads, Stress, and Evaluation
Stress due to Centrifugal Load
Stress due to Steam Forces
Resonant Vibration
Blade Frequency Evaluation
Exciting Forces
Running Speed Harmonic Excitation
Nozzle Passing Frequency (NPF) Excitation
Partial Admission Excitation
Factor of Safety Calculation
Influence of Tolerance Stack Up in Root-Disk Attachment
Summary of Design Criteria
Checklist for Auditing a Blade Design
Life Assessment Aspects for Blade
Assessment of Useful Life of Blade in Presence of High Cycle Fatigue
Factor of Safety Concept for High Cycle Fatigue
Life Estimation
Process of Shot Peen and Laser Peen to Improve Fatigue Life
Basic Explanation for Increase in Fatigue Life
Residual Stress due to Shot Peen
Linear Approximation of Compressive Layer Profile
Exponential Approximation of Compressive Layer Profile
Combination of Applied and Residual Compressive Stress
Linear Approximation of Combined Stress
Exponential Approximation of Combined Stress
Mechanistic View of Improvement in Fatigue Life due to Shot Peen
Improvement during High Cycle Fatigue
Improvement during Low Cycle Fatigue-Zero Mean Stress
Process of Laser Peen
Estimation of Risk
Probabilistic Concept to Quantify Risk of a Proposed Design
Probabilistic Treatment of Factor of Safety Based on Goodman Equation
Transformation of Random Variables
Single Cantilever Beam
Probabilistic Low Cycle Fatigue Concept
Deterministic Reliability Estimation
Stress and Fatigue Analysis
Creep Analysis
Modal Analysis
Response Analysis
Goodman Factor of Safety Based on Above Analysis
Deterministic Life Estimation
Probabilistic Reliability Analysis
Probabilistic Goodman Analysis
Probabilistic Frequency Analysis
Probabilistic Life Estimation
Appendix: Fourier Series