Structural Dynamics of Turbo-Machines.

Cover -- Preface -- Contents -- Part I Component Dynamics, Life Cycle Evaluation -- Chapter 1 Vibration Theory Fundamentals -- 1.1 Introduction -- 1.2 Vector Method of Representing Dynamic Motion -- 1.3 Complex Numbers Method -- 1.4 Free Vibrations Without Damping -- 1.5 Torsional Pendulum -- 1.6 Free Vibrations With Viscous Damping -- 1.7 Forced Vibrations Without Damping -- 1.8 Forced Vibrations With Viscous Damping -- 1.9 Vibration Due to Rotating Eccentric Weight -- 1.10 Vibration Isolation -- 1.11 Cantilever Beam Attached to Wheel -- 1.12 Beam Subjected to Centrifugal Force -- 1.13 Flexibly Mounted Beam -- 1.14 Row of Connected Beams -- 1.15 Energy Methods in Shell Vibration -- 1.16 Vibration in Circular Disk -- 1.17 Coupled Disk-Blade System -- 1.18 Example Problems -- References &amp -- Bibliography -- Chapter 2 Fan and Compressor Airfoils -- 2.1 Introduction -- 2.2 Finite Element Method in Blade Vibrations -- 2.3 Individual Blade Vibration -- 2.4 Blade Flutter -- 2.5 Cascade Flutter Analysis -- 2.6 Prediction of Forced Response -- 2.7 Aspects of Bladed Disk Assembly Dynamics -- 2.8 Propeller Blade Separation Incident -- 2.9 Acoustic Resonance in Multi-Stage Compressor -- 2.10 Whirl Inducing Forces in Axial Compressor -- 2.11 Example Problems -- Refrences &amp -- Bibliography -- Chapter 3 Turbine and Combustor Parts -- 3.1 Introduction -- 3.2 Integrity Evaluation of Turbine Blade -- 3.3 Response Due to Blade-Vane Interaction -- 3.4 Periodic Response of Shrouded Blades -- 3.5 Cyclically Symmetric Structures -- 3.6 Random Blade Mistuning -- 3.7 Cumulative Damage Theory in Life Prediction -- 3.8 Acoustic Resonance in Combustor -- 3.9 Active Combustion Instability Control -- 3.10 Structural Design of Combustor Liner For Dynamic Pressure -- 3.11 Example Problems -- References &amp -- Bibliography -- Chapter 4 Bearing and Seal Characteristics.

4.1 Introduction -- 4.2 Fluid Film Bearing -- 4.3 Journal Bearing Types -- 4.4 Dynamic Characteristics -- 4.5 Rolling Element Bearing -- 4.6 Tip Clearance Actuation With Magnetic Bearings -- 4.7 Impact of Flexible Support -- 4.8 Labyrinth and Honeycomb Seal Evaluation -- 4.9 Damping Seal Dynamic Characteristics -- 4.10 Squeeze Film Damper -- 4.11 Example Problems -- References &amp -- Bibliography -- Part II Structural and Operational Analysis of Engine System -- Chapter 5 Shaft Torsional Vibration -- 5.1 Introduction -- 5.2 Simple Two-Inertia System -- 5.3 Energy Balance Method -- 5.4 Matrix Method -- 5.5 Finite Element Method -- 5.6 Geared and Branched Systems -- 5.7 Critical Speeds and Modes -- 5.8 Resonant Response -- 5.9 Dynamic Vibration Absorbers -- 5.10 Torsional Dampers -- 5.11 Permissible Amplitudes -- 5.12 Shifting of Critical Speeds -- 5.13 Example Problems -- References &amp -- Biliography -- Chapter 6 Flexural Rotor Dynamics -- 6.1 Introduction -- 6.2 Dynamics of shaft Motion -- 6.3 Support Flexibility and Critical Speeds -- 6.4 Procedure for Critical Speeds -- 6.5 Critical Speed Positioning -- 6.6 Synchronous Response -- 6.7 Component Mode Synthesis of Large Systems -- 6.8 Rotor supported in Flexible Casing -- 6.9 Dry friction Rubbing Between Rotor and Seal -- 6.10 Stability Considerations -- 6.11 Self-Excited Vibrations -- 6.12 Periodic System Characteristics -- 6.13 Methods to Alleviate Vibration Instability -- 6.14 Rotor Dynamic Design of High Pressure Compressor -- 6.15 Effect of Squeeze Film Damper on Rotor Response and Stability -- 6.16 Full Load Testing for Rotor Dynamics Improvement -- 6.17 LM 2500 Engine Vibration Characteristics -- 6.18 Prerventing Sub-Synchronous Vibrations in Large Steam Turbines -- 6.19 Example Problems -- References &amp -- Bibliography -- Part III Engine Operational Characteristics.

Chapter 7 Experimental and Test Measurement -- 7.1 Introduction -- 7.2 Vibration Sensors -- 7.3 Measurement Techniques -- 7.4 Signal Processing -- 7.5 Modal Analysis -- 7.6 Analyzing Transient Machinery Vibrations -- 7.7 Positioning Strain Gauges on Blades -- 7.8 Blade Vibration Measurement -- 7.9 High Temperature Proximity Measurement -- 7.10 Blade Tip Timing Methods -- 7.11 Testing Under Transient Conditions -- 7.12 Mode Localization and Forced Response in Bladed Disk -- 7.13 Lubricant Analysis -- 7.14 Bearing Element Defect Detection -- 7.15 Detection of Crack in Rotor -- 7.16 Radiation Thermometry Method -- 7.17 Life Prediction from Post-Service Oxidation -- 7.18 Leakage in Stepped Labyrinth -- 7.19 Compressor Surge Investigation Using Digital Velocimetry -- 7.20 Flow in Engine Exhaust System -- References &amp -- Biblography -- Chapter 8 Balancing of Rotors -- 8.1 Introduction -- 8.2 Assembly and Operational Procedures and Rotor Vibrations -- 8.3 Balance Methods -- 8.4 Motion of Unbalanced Rotors -- 8.5 Correction Methods -- 8.6 Balancing of Rigid Rotor -- 8.7 Single Plane Balancing of Flexible Rotor -- 8.8 Overhung Thin Disk Rotor -- 8.9 Multi-Plane Balancing of Flexible Rotors -- 8.10 Balancing Machines -- 8.11 Balance Criteria -- 8.12 Example Problems -- References &amp -- Bibliography -- Chapter 9 Turbo-Machinery Noise -- 9.1 Introduction -- 9.2 Operating Parameters -- 9.3 Jet Engine Noise -- 9.4 Unsteady flow Aspects and Noise -- 9.5 Rotating and Stationary Blade Interaction and Noise -- 9.6 Noise Generation in Industrial Turbines -- 9.7 Inlet and Exhaust Systems -- 9.8 Shaft Vibration and Noise -- 9.9 Correlation Between Dynamics and Noise -- 9.10 Procedures for Noise Evaluation -- 9.11 Static Tests -- 9.12 Monitoring for Quality Control -- 9.13 Suppression of Jet Noise -- 9.14 Damping Techniques -- 9.15 Tuned Dampers.

9.16 Example Problems -- References &amp -- Bibliography -- Index.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.