1 Introduction. - 2 Theoretical Background. - Basic Vibration Theory. - Undamped Free Vibration Model. - Damped Free Vibration Model. - Undamped Forced Vibration Model. - Damped Forced Vibration Model. - Basic Theory of Lateral Rotor Vibrations. - Conical Jeffcott Analysis. - Combined Jeffcott Analysis. - Synchronous Rotor Response Notation. - Elliptical Orbit Response. - 3 Review of Literature on Rotor Balancing. - General and Rigid Rotor Balancing Literature. - Modal Balancing Literature. - Influence Coefficient Balancing Literature. - Literature on Combined Modal/Influence Coefficient Balancing Methods and Comparative Studies. - 4 Rotor Balancing Methods and Instrumentation. - Rigid Rotor Balancing. - Flexible Rotor Balancing. - Vibration Measurement for Rotor Balancing. - 5 Modal Balancing. - Analytical Development. - Application to Balancing. - N and (N+2) Plane Modal Balancing. - Advantages and Limitations of Modal Balancing. - 6 Influence Coefficient Balancing. - Analytical Development. - Calculation of Correction Masses. - Calculation of Influence Coefficients. - Procedure for Influence Coefficient Balancing. - Advantages and Limitations of Influence Coefficient Balancing. - Elimination of Non-independent Balancing Planes. - Analytical Development of the Orthogonalization Procedure. - Constraining the Non-independent Planes. - Numerical Examples. - 7 The Unified Balancing Approach. - Analytical Development. - Calculation of Modal Trial Mass Sets. - Calculation of Modal Correction Mass Sets. - Calculation of Influence Coefficients. - Procedure for Application of the Unified Balancing Approach. - 8 Experimental Comparisons of the Various Methods. - Test Rotor System. - Influence Coefficient Balancing Tests. - Balancing at the First Critical Speed. - Balancing at the Third Critical Speed. - Balancing at the Fourth Critical Speed. - Enhanced Modal Balancing Tests. - Balancing the First Mode. - Balancing the Third Mode. - Balancing the Fourth Mode. - Unified Balancing Approach Tests. - Balancing at the First Critical Speed. - Balancing at the Third Critical Speed. - Balancing at the Fourth Critical Speed. - 9 Application of the Principle of Reciprocity to Flexible Rotor Balancing. - Principle of Reciprocity. - Numerical Verification of Reciprocity. - Experimental Verification of Reciprocity. - Supercritical Shaft Verification. - Demo Rig Measurements. - Using Reciprocity in Flexible Rotor Balancing. - Glossary of Terms for High-Speed Rotor Balancing. - References. Language: English