Turbo-Machinery Dynamics

Turbo-Machinery Dynamics

Authors: A. S. Rangwala

Published: April 2005

eISBN: 9780071467049 0071467041 | ISBN: 9780071453691

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Contents

Foreword

Preface

List of Symbols

Part 1 Applications

Chapter 1. Advanced Turbine Technology

1.1. Introduction

1.2. Historical Firsts

1.3. Aircraft Propulsion

1.4. Power Generation Overview

1.5. Marine and Industrial Turbines

1.6. Supercharging for Diesel Engines

References

Bibliography

Chapter 2. Aircraft Power Plant

2.1. Introduction

2.2. Major Considerations

2.3. High-Bypass Turbofan Engine

2.4. Cycle Analysis Trend

2.5. Performance Evaluation

2.6. Component and Spool Match

2.7. Compressor and Fan Sections

2.8. Turbine Module

2.9. Nacelle Design Concepts

2.10. Experiments in Variable Geometry Intake

2.11. Attachment with Aircraft

2.12. Enhanced Power for Fighter Aircraft

2.13. Life Prediction

2.14. Propeller Blade Separation Incident

References

Bibliography

Chapter 3. Industrial Gas and Steam Turbines

3.1. Introduction

3.2. Simple-Cycle Gas Turbine

3.3. Industrial Combustion Turbine

3.4. Classification and Characteristics of Steam Turbines

3.5. Advances in Steam Path Technology

3.6. Combined Cycle Mode

3.7. Combined Cycle for Periodic Demand

3.8. Cogeneration

3.9. Heat Recovery Steam Generator

3.10. Compressor Rotor and Stator

3.11. Turbine Construction Features

3.12. Performance Upgrade

References

Bibliography

Chapter 4. Derivative Engines for Marine and Industrial Use

4.1. Introduction

4.2. Ship Propulsion Plant

4.3. Gas Compression Systems for Pipeline Pumping

4.4. Operational Experience of LM2500 Engine

4.5. Power for Heavy Military Vehicles

References

Bibliography

Chapter 5. Diesel and Automotive Engine Turbochargers

5.1. Introduction

5.2. Supercharging Methods

5.3. Fluid Flow and Thermodynamic Considerations

5.4. Turbocharger Mechanism

5.5. Performance under Pulsating Conditions

References

Bibliography

Part 2 Component Design

Chapter 6. Fan and Compressor Airfoils

6.1. Introduction

6.2. Stall and Surge

6.3. Airfoil Design Considerations

6.4. Unsteady Viscous Flow

6.5. Flow Characteristics at Stall Inception

6.6. Rotating Instability from Vortex at Blade Tip

6.7. Prospects for Active Stall Control

6.8. Cascade Flutter Analysis

6.9. Fault Identification in Variable Stator Vanes

6.10. End-Wall Blockage

6.11. Acoustic Resonance in Multistage Compressors

6.12. Finite Element Method in Blade Vibrations

6.13. Swept Fan Blade

6.14. Design of Axial Compressor

6.15. Increased Power by Zero Staging

6.16. Prediction of Forced Response

6.17. Random Blade Mistuning

6.18. Stresses in Dovetail

6.19. Example Problems

References

Bibliography

Chapter 7. Impeller and Bladed Disk

7.1. Introduction

7.2. Impeller Design Features

7.3. Diffuser for Industrial Gas Turbine

7.4. Interaction between Impeller and Volute

7.5. Flow Characteristics in Vaned Diffuser

7.6. Radial Inflow Turbine

7.7. Stresses in Rotating Disk

7.8. Twin Web Disk

7.9. Disk Burst Capability

7.10. Fluid-Flow Forces in Whirling Impeller

7.11. Uncontained Failure from Fracture of Fan Hub

7.12. Compressor Disk Failure Investigation

7.13. Example Problems

References

Bibliography

Chapter 8. Turbine Blade and Vane

8.1. Introduction

8.2. Design Aspects

8.3. Individual Blade Vibration

8.4. Cumulative Damage Theory in Life Prediction

8.5. Integrity Evaluation of Turbine Blades

8.6. Secondary Flow Loss Control

8.7. Wake–Wake Interaction

8.8. Clocking Effects in Turbine

8.9. Steam and Air Cooling

8.10. Impingement Cooling Aspects

8.11. Nozzle Vane Design

8.12. Example Problems

References

Bibliography

Chapter 9. Combustion System

9.1. Introduction

9.2. Fuels for Various Applications

9.3. Combustion Principles

9.4. Combustor Designs and Selection

9.5. Control of Pollutants

9.6. NOx Formation

9.7. Effects of Swirl

9.8. Dry Low NOx Combustion System

9.9. Catalytic Combustor for Utility Turbine

9.10. Acoustic Resonance

9.11. Active Combustion Instability Control

9.12. Thermal Protection of Combustor Liner

9.13. Structural Design for Dynamic Pressure

9.14. Example Problems

References

Bibliography

Chapter 10. Bearings and Seals

10.1. Introduction

10.2. Fluid Film Bearing

10.3. Journal Bearing Types

10.4. Dynamic Characteristics

10.5. Thrust Bearing

10.6. Rolling Element Bearing

10.7. Vapor Phase Lubrication

10.8. Deformation in Ball Bearing

10.9. Tip Clearance Actuation with Magnetic Bearings

10.10. Impact of Flexible Support

10.11. Seals and Dampers

10.12. Labyrinth and Honeycomb Seal Evaluation

10.13. Damping Seal Dynamic Characteristics

10.14. Squeeze Film Damper

10.15. Example Problems

References

Bibliography

Part 3 Materials and Manufacture

Chapter 11. Superalloys for Turbines

11.1. Introduction

11.2. Strengthening Methods

11.3. Nickel Base Alloys

11.4. Cobalt Base Alloys

11.5. Nickel–Iron Alloys

11.6. Processing of Wrought Alloys

11.7. Directionally Solidified Airfoil Technology

17.8. Oxidation and Corrosion Resistance at Elevated Temperatures

11.9. Protective and Thermal Barrier Coats

11.10. Fracture Mechanism of Coats

11.11. Fiber-Reinforced Ceramics for Combustor Liner

11.12. Ceramic Components in MS9001 Engine

References

Bibliography

Chapter 12. Manufacturing Methods

12.1. Introduction

12.2. Centrifugally Spun Alloy Steel Casting

12.3. Investment Castings

12.4. Powder Metallurgy Process

12.5. Welding Methods

12.6. Brazing for Joining Nickel-Based and Cobalt-Based Components

12.7. Laser Welding Techniques

12.8. Generating a Five-Axis Cutter Path

12.9. Machining Methods and Impeller Performance

12.10. Dimensional Instability in Machining Superalloys

12.11. Curvic Coupling for Turbine Rotor

12.12. Vapor Deposition of Thermal Barrier Coating

12.13. Vacuum-Plasma-Sprayed Coatings

References

Bibliography

Index