Tribology in electrical environments /

This book summarises work done and experience gained over the past three decades in the area of tribology in electrical environments. It takes a close look at behaviour and response characteristics of rolling-element, and hydrodynamic journal & thrust bearings working under the influence of elec...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Prashad, Har
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Amsterdam ; London : Elsevier, 2006.
Colección:Tribology and interface engineering series ; 49.
Temas:
Tribology.
Electricity.
Electricity
Tribologie (Technologie)
�Electricit�e.
electricity.
TECHNOLOGY & ENGINEERING > Tribology.
Tribology
Tribologie
Elektrizit�at
Acceso en línea:Texto completo
Texto completo
Tabla de Contenidos:
  • Cover
  • Contents
  • Preface
  • About the Author
  • Chapter 1. ANALYSIS OF BEARINGS AND LUBRICANTS IN ELECTRICAL ENVIRONMENTS: A STATE-OF-THE-ART REVIEW
  • 1.1 Introduction
  • 1.2 Rolling-Element Bearings
  • 1.3 Lubricants
  • 1.4 Hydrodynamic Journal Bearings
  • 1.5 Hydrodynamic Thrust Bearings
  • 1.6 Conclusions
  • References
  • Chapter 2. SHAFT VOLTAGES AND THEIR ORIGIN IN ROTATING MACHINES AND FLOW OF ELECTRIC CURRENT THROUGH BEARINGS
  • 2.1 Introduction
  • 2.2 Causes for the Origin of Shaft Voltages
  • 2.3 Factors Affecting the Shaft Voltages
  • 2.4 Reasons for Epidemic Shaft Current Problems
  • 2.5 Passage of Current Through Bearings
  • 2.6 Bearing Electrical Parameters
  • 2.7 Conclusions
  • Chapter 3. BEHAVIOR OF LUBRICANTS IN ROLLING-ELEMENT BEARINGS UNDER THE INFLUENCE OF ELECTRIC CURRENT
  • 3.1 Introduction
  • 3.2 The Experimental Facilities
  • 3.3 The Experimental Procedure
  • 3.4 Discussion on the Results
  • 3.5 Conclusions
  • References
  • Chapter 4. THRESHOLD VOLTAGE PHENOMENON AND EFFECT OF OPERATING PARAMETERS ON THE THRESHOLD VOLTAGE IN ROLLING-ELEMENT BEARINGS
  • 4.1 Bearing Threshold Voltage
  • 4.2 Test Set-Up and Investigations
  • 4.3 Theoretical
  • 4.4 Influence of the Operating Parameters and Lubricant Characteristics on Threshold Voltages
  • 4.5 Phenomenon of Bearing Impedance
  • 4.6 Influence of the Operating Parameters and Minimum Film Thickness on Bearing Impedance
  • 4.7 Different Types of Bearing Failure
  • 4.8 Conclusions
  • References
  • Chapter 5. EFFECT OF ELECTRIC CURRENT ON THE TRACK SURFACES OF ROLLING-ELEMENT BEARINGS
  • 5.1 A General Review
  • 5.2 Process of Formation of Corrugations
  • 5.3 Theoretical Determination of Pitch and Width of Corrugations on Roller Track of Races and Rollers of Roller Bearings
  • 5.4 Theoretical Determination of Pitch and Width of Corrugations on Ball Track of Races and Balls of Ball Bearings
  • 5.5 Experimental Investigations
  • 5.6 Effect of Various factors on Corrugations and on Bearing Surfaces
  • 5.7 Discussion on Various Aspects of Corrugations
  • 5.8 Conclusions
  • References
  • Chapter 6. ELECTRICAL PARAMETERS OF ROLLING-ELEMENT BEARINGS
  • 6.1 Introduction
  • 6.2 Electrical Parameters of Roller Bearings
  • 6.3 Electrical Parameters of Ball Bearings
  • 6.4 Data Under Different Operating Parameters
  • 6.5 Review of Results
  • 6.6 Conclusions
  • References
  • Chapter 7. LIFE ESTIMATION OF ROLLING-ELEMENT BEARINGS DUE TO THE EFFECT OF CURRENT LEAKAGE
  • 7.1 General
  • 7.2 Theoretical Analysis of Life Estimation of Roller Bearings
  • 7.3 Theoretical Analysis of Life Estimation of Ball Bearings
  • 7.4 Capacitive Effect of Rolling-Element Bearings
  • 7.5 Thermal Stresses Due to Thermal Transients on Rolling-Element Track Surfaces of Races
  • 7.6 Determination of Number of Cycles Before the Initiation of Slip Bands and Craters Formation on Rolling-Element Tracks of Races, and Data Derived
  • 7.7 Discussion of Results
  • 7.8 Conclusions
  • References
  • Chapter 8. ANALYSIS OF CAPACITIVE EFFECT OF ROLLER BEARINGS ON REPEATED STARTS AND STOPS OF A MACHINE
  • 8.1 Introduction
  • 8&#4.

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