VIBRATION PROBLEMS IN MACHINES

VIBRATION PROBLEMS IN MACHINES

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Description

Vibration Problems in Machines: Diagnosis and Resolution explains how to infer information about the internal operations of rotating machines from external measurements. In doing so, the book examines the vibration signals arising under various fault conditions, such as rotor imbalance, misalignment, cracked rotors, gear wear, whirling instabilities, and other problems. Covering a wide range of techniques required in the monitoring, analysis, and diagnosis of operational rotating machinery, this text: Discusses topics ranging from the presentation of complex data to methods for reconciling model and plant data Describes the physical basis of fault signals as well as the necessary signal and data processing techniques Delivers fresh insight into misalignment phenomena and the future of smart machinery Vibration Problems in Machines: Diagnosis and Resolution includes case studies with real plant data, MATLAB® scripts and functions for the modelling and analysis of rotating machines, end-of-chapter questions, and a solutions manual with qualifying course adoption. The book provides an invaluable resource for those seeking to optimize the use of complex and often apparently contradictory data.show more

Product details

  • Paperback
  • 156.03 x 233.68mm
  • TAYLOR & FRANCIS
  • CRC Press
  • English
  • 1138893838
  • 9781138893832

Table of contents

IntroductionMonitoring and DiagnosisMathematical ModelsMachine ClassificationConsiderations for a Monitoring SchemeOutline of the TextSoftwareReferences Data PresentationIntroductionPresentation FormatsComparison with CalculationsDetection and Diagnosis ProcessProblemsReferences Modelling and AnalysisIntroductionNeed for ModelsModelling ApproachesAnalysis MethodsFurther Modelling ConsiderationsSummaryProblemsReferences Faults in Machines – Part 1IntroductionDefinitions: Rigid and Flexible RotorsMass ImbalanceRotor BendsConcluding RemarksProblemsReferences Faults in Machines – Part 2IntroductionMisalignmentCracked RotorsTorsionNon-LinearityInteractions and DiagnosticsClosing RemarksProblemsReferences Rotor–Stator InteractionIntroductionInteraction through BearingsInteraction via Working FluidDirect Stator ContactThe Morton EffectHarmonics of ContactConcluding RemarksProblemsReferences Machine IdentificationIntroductionCurrent State of ModellingPrimary ComponentsSources of Error/UncertaintyModel ImprovementApplication to FoundationsImbalance IdentificationExtension to MisalignmentFuture OptionsProblemsReferences Some Further Analysis MethodsStandard ApproachesArtificial Neural NetworksMerging ANNs with Physics-Based ModelsKernel Density EstimationRapid Transients: Vold–Kalman MethodUseful TechniquesConcluding RemarksProblemsReferences Case StudiesIntroductionCrack in a Large Alternator RotorWorkshop Modal Testing of a Cracked RotorGearbox Problems on a Boiler Feed PumpVibration of Large Centrifugal FansLow-Pressure Turbine InstabilitiesConcluding RemarksProblemsReferences Overview and OutlookProgress in InstrumentationProgress in Data Analysis and HandlingProgress in ModellingExpert SystemsFuture ProspectsSummaryReferencesshow more

About Lees

Arthur W. Lees, BSc, PhD, DSc, CEng, CPhys, FIMechE, FInstP, LRPS, joined the Central Electricity Generating Board, London, UK, after completing his PhD. Following a sequence of positions, he was appointed head of the Turbine Group for Nuclear Electric Plc, UK. In 1995, he moved to Swansea University, UK, where he is currently professor emeritus. An active researcher, Professor Lees is a regular reviewer of many technical journals, a fellow of the Institution of Mechanical Engineers and the Institute of Physics, and a chartered engineer and physicist. He has served on the editorial boards of the Journal of Sound and Vibration and Communications in Numerical Methods in Engineering, and was a member of the Council of the Institute of Physics, 2001–2005.show more

Review quote

"The main strength of the book material is a nice blend of practical and theoretical aspects of the subject. The subject of dynamics of rotating machinery is known to evolve from the practice in the field. This book gives that flavour. Rotating machinery runs for longer periods and is bound to have faults during its operation. The information in this book definitely enhances the capabilities of practice engineers and researchers in this field."—Dr. Rajiv Tiwari, Indian Institute of Technology Guwahati "... provides comprehensive coverage of vibration in rotating machinery supported by modeling and computational examples."—Jerzy T. Sawicki, Cleveland State University, Ohio, USAshow more