Rotating Machinery Vibration: From Analysis to Troubleshooting, Second Edition, 2nd Edition (Hardback) book cover

Rotating Machinery Vibration

From Analysis to Troubleshooting, Second Edition, 2nd Edition

By Maurice L. Adams

CRC Press

476 pages | 9 Color Illus. | 189 B/W Illus.

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Hardback: 9781439807170
pub: 2009-12-23
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pub: 2009-12-23
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Diagnosis and correction are critical tasks for the vibrations engineer. Many causes of rotor vibration are so subtle and pervasive that excessive vibration continues to occur despite the use of usually effective design practices and methods of avoidance.

Rotating Machinery Vibration: From Analysis to Troubleshooting provides a comprehensive, consolidated overview of the fundamentals of rotating machinery vibration and addresses computer model building, sources and types of vibration, and machine vibration signal analysis. This reference is a powerful tool to strengthen vital in-house competency on the subject for professionals in a variety of fields.

After presenting governing fundamental principles and background on modern measurement, computational tools, and troubleshooting methods, the author provides practical instruction and demonstration on how to diagnose vibration problems and formulate solutions. The topic is covered in four sequential sections: Primer on Rotor Vibration, Use of Rotor Dynamic Analyses, Monitoring and Diagnostics, and Troubleshooting Case Studies.

This book includes comprehensive descriptions of vibration symptoms for rotor unbalance, dynamic instability, rotor-stator rubs, misalignment, loose parts, cracked shafts, and rub-induced thermal bows. It is an essential reference for mechanical, chemical, design, manufacturing, materials, aerospace, and reliability engineers. Particularly useful as a reference for specialists in vibration, rotating machinery, and turbomachinery, it also makes an ideal text for upper-level undergraduate and graduate students in these disciplines.

Table of Contents

Part I: Primer on Rotor Vibration

Vibration Concepts and Methods

One-Degree-of-Freedom Model

Multi-DOF Models

Modes, Excitation, and Stability of Multi-DOF Models

Lateral Rotor Vibration Analysis Models

Simple Linear Models

Formulations for RDA Software

Insights into Linear LRVs

Nonlinear Effects in Rotor Dynamical Systems

Torsional Rotor Vibration Analysis Models

Rotor-Based Spinning Reference Frames

Single Uncoupled Rotor

Coupled Rotors

Semidefinite Systems

Part II: Rotor Dynamic Analyses

RDA Code for Lateral Rotor Vibration Analyses

Unbalance Steady-State Response Computations

Instability Self-Excited-Vibration Threshold Computations

Additional Sample Problems

Bearing and Seal Rotor Dynamics

Liquid-Lubricated Fluid-Film Journal Bearings

Experiments to Measure Dynamic Coefficients

Annular Seals

Rolling Contact Bearings

Squeeze-Film Dampers

Magnetic Bearings

Compliance Surface Foil Gas Bearings

Turbo-Machinery Impeller and Blade Effects

Centrifugal Pumps

Centrifugal Compressors

High-Pressure Steam Turbines and Gas Turbines

Axial Flow Compressors

Part III Monitoring and Diagnostics

Rotor Vibration Measurement and Acquisition

Introduction to Monitoring and Diagnostics

Measured Vibration Signals and Associated Sensors

Vibration Data Acquisition

Signal Conditioning

Vibration Severity Guidelines

Casing and Bearing Cap Vibration Displacement Guidelines

Standards, Guidelines, and Acceptance Criteria

Shaft Displacement Criteria

Signal Analysis and Identification of Vibration Causes

Vibration Trending and Baselines

FFT Spectrum

Rotor Orbit Trajectories

Bode, Polar, and Spectrum Cascade Plots

Wavelet Analysis Tools

Chaos Analysis Tools

Symptoms and Identification of Vibration Causes

Part IV Trouble-Shooting Case Studies

Forced Vibration and Critical Speed Case Studies

HP Steam Turbine Passage through First Critical Speed

HP–IP Turbine Second Critical Speed through Power Cycling

Boiler Feed Pumps: Critical Speeds at Operating Speed

Nuclear Feed Water Pump Cyclic Thermal Rotor Bow

Power Plant Boiler Circulating Pumps

Nuclear Plant Cooling Tower Circulating Pump Resonance

Generator Exciter Collector Shaft Critical Speeds

Self-Excited Rotor Vibration Case Studies

Swirl Brakes Cure Steam Whirl in a 1300 MW Unit

Bearing Unloaded by Nozzle Forces Allows Steam Whirl

Misalignment Causes Oil Whip/Steam Whirl "Duet"

Additional Rotor Vibration Cases and Topics

Vertical Rotor Machines

Vector Turning from Synchronously Modulated Rubs

Air Preheater Drive Structural Resonances

Aircraft Auxiliary Power Unit Commutator Vibration-Caused Uneven Wear

Impact Tests for Vibration Problem Diagnoses

Bearing Looseness Effects

Tilting-Pad versus Fixed-Surface Journal Bearings

Base-Motion Excitations from Earthquake and Shock

Parametric Excitation: Nonaxisymmetric Shaft Stiffness

Rotor Balancing


About the Author

Maurice L. Adams, Jr. is founder and past president of Machinery Vibration Inc., as well as professor of mechanical and aerospace engineering at Case Western Reserve University. The author of over 100 publications and the holder of U.S. patents, he is a member of the American Society of Mechanical Engineers. Professor Adams received the BSME degree (1963) from Lehigh University, Bethlehem, Pennsylvania; the MEngSc degree (1970) from Pennsylvania State University, University Park, Pennsylvania; and the PhD degree (1977) from the University of Pittsburgh, Pennsylvania. Dr. Adams worked on rotating machinery engineering for 14 years in industry prior to becoming a professor in 1977, including employment at Allis Chalmers, Worthington, Franklin Institute Research Laboratories, and Westinghouse Corporate R&D Center.

Subject Categories

BISAC Subject Codes/Headings:
TECHNOLOGY & ENGINEERING / Engineering (General)
TECHNOLOGY & ENGINEERING / Industrial Design / General