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000856084 1001_ $$aSubbiah, Raj,$$eauthor.
000856084 24510 $$aRotor and structural dynamics of turbomachinery :$$ba practical guide for engineers and scientists /$$cRaj Subbiah, Jeremy Eli Littleton.
000856084 264_1 $$aCham, Switzerland :$$bSpringer,$$c[2018]
000856084 300__ $$a1 online resource :$$billustrations
000856084 336__ $$atext$$btxt$$2rdacontent
000856084 337__ $$acomputer$$bc$$2rdamedia
000856084 338__ $$aonline resource$$bcr$$2rdacarrier
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000856084 4901_ $$aApplied condition monitoring ;$$vvolume 11
000856084 504__ $$aIncludes bibliographical references.
000856084 5050_ $$aIntro; Preface I; Preface II; Acknowledgements I; Acknowledgements II; Contents; 1 Basics of Rotor and Structural Vibration; 1.1 Introduction; 1.2 General; 1.3 Fundamentals of Rotor Dynamics in Turbo-Machinery; 1.4 Why Rotor Dynamics Plays a Vital Role in Rotating Machinery Design?; 1.5 Rotor Failure Modes; 1.5.1 Torsional Vibration (Due to Rotor Twist). See Fig. Â 1.5; 1.5.2 Lateral Vibration (Due to of Rotor Bending). See Fig. Â 1.6; 1.6 Rotor Dynamics Versus Stationary Structural Dynamics; 1.6.1 Structural Vibration Versus Rotor Whirl.
000856084 5058_ $$a1.6.2 Structural Natural Frequencies Versus Rotor Critical Speeds1.6.3 Structural Mode Shapes Versus Rotor Whirl Motions; 1.6.4 Structural Responses Versus Rotor Whirl Responses; 1.6.5 Structural Excitation Versus Rotor Excitation Forces; 1.6.6 Stability of Structures Versus Rotor Stability; 1.7 Examples; 1.7.1 Example-1; 1.7.2 Example-2; 1.7.3 Example-3; 1.7.4 Example-4; 1.8 Fluid-Film Stiffness; 1.9 Forward and Backward Rotor Whirl Vectors; 1.9.1 Split Critical Speeds of a Rotor; 1.9.2 Construction of Whirl Plots; 1.10 Closure; References; 2 Mathematical Model; 2.1 Introduction; 2.2 General.
000856084 5058_ $$a2.3 Lateral (Bending) Rotor Dynamic Model2.3.1 The Rotor Modeling; 2.3.2 The Fluid-Film Bearing Modeling; 2.3.3 Bearing Support Pedestal Modeling; 2.3.4 Concrete Foundation Modeling; 2.3.5 Steel Foundation Structures; 2.4 Solution Methods; 2.4.1 Transfer Matrix (TM) Approach; 2.4.2 Two Dimensional Finite Element Formulation; 2.4.3 Gyroscopic Effect in Rotor Systems; 2.4.4 Asymmetric Stiffness Effects in Rotor Systems; 2.5 Advanced Rotor Modeling Methods; 2.5.1 Lateral Rotor Model; 2.5.2 Mode-Frequency Analysis or Modal Analysis on Rigid Supports; 2.5.3 Unbalance Response Calculations.
000856084 5058_ $$a2.5.4 Q-Factor Evaluation2.5.4.1 An Important Note About Q-Factor Evaluations; 2.5.5 Rotor Stability Calculations; 2.6 Various Rotor Constructions; 2.6.1 Mono-Bloc Rotor; 2.6.2 Shrunk-on Disc Rotor; 2.6.3 Welded Rotor; 2.7 Rotor Mechanics; 2.8 Torsional (Twist) Rotor Dynamics; 2.8.1 Lumped Mass Model; 2.8.2 Blade and Rotor Disc Frequency Coupling; 2.8.3 Three-D Finite Element Model of a Bladed-Disc; 2.8.4 Effects of Blade-Disc Coupling on Lateral Dynamics; 2.8.5 Rotor Torsional Model; 2.8.6 Three-D Torsional Modeling of Rotors; 2.8.7 Modal Analysis; 2.8.8 Steady-State Excitations.
000856084 5058_ $$a2.8.9 Positive and Negative Sequence Currents2.8.10 Transient Excitations; 2.8.11 Loss of Life Calculations; 2.8.12 Out-of Phase Synchronization (OPS); 2.8.12.1 Sudden Impulse or Repetitive Industrial Loads Near Power Plants' ;Excites Sub-synchronous Modes; Line Switching and Resonance Due to Series Capacitor Compensated Transmission- Excites Sub-synchronous Modes; 2.8.13 Sub-synchronous Excitations; 2.8.14 Impact on Shaft Torque Due to Grid Events; 2.9 Testing for Torsional Frequencies and Modes; 2.9.1 Stationary Frequency Testing; 2.9.2 Rotating Tests; 2.10 Closure; References.
000856084 506__ $$aAccess limited to authorized users.
000856084 520__ $$aThis book provides engineers and scientists with practical fundamentals for turbomachinery design. It presents a detailed analysis of existing procedures for the analysis of rotor and structure dynamics, while keeping mathematical equations to a minimum. Specific terminologies are used for rotors and structures, respectively, allowing the readers to clearly distinguish between the two. Further, the book describes the essential concepts needed to understand rotor failure modes due to lateral and torsional oscillations. It guides the reader from simple single-degree-of-freedom models to the most complex multi-degree-of-freedom systems, and provides useful information concerning steel pedestal stiffness degradation and other structural issues. Fluid-film bearing types and their dynamical behavior are extensively covered and discussed in the context of various turbomachinery applications. The book also discusses shaft alignment and rotor balancing from a practical point of view, providing readers with essential information to help them solve practical problems. As the main body of the book focuses on the diagnostics and description of case studies addressing the most pressing practical issues, together with their successful solutions, it offers a valuable reference guide, helping field engineers manage day-to-day issues with turbomachinery.
000856084 588__ $$aVendor-supplied metadata.
000856084 650_0 $$aTurbomachines.
000856084 650_0 $$aImpellers.
000856084 7001_ $$aLittleton, Jeremy Eli,$$eauthor.
000856084 77608 $$iPrint version:$$aSubbiah, Raj.$$tRotor and structural dynamics of turbomachinery.$$dCham, Switzerland : Springer, [2018]$$z3319732951$$z9783319732954$$w(OCoLC)1013720996
000856084 830_0 $$aApplied condition monitoring ;$$vv. 11.
000856084 852__ $$bebk
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