Tribology in electrical environments:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Amsterdam u.a.
Elsevier
2006
|
| Schriftenreihe: | Tribology and interface engineering series
49 |
| Schlagworte: | |
| Online-Zugang: | Publisher description Inhaltsverzeichnis |
| Beschreibung: | Includes bibliographical references and index |
| Beschreibung: | XVIII, 494 S. Ill., graph. Darst. 25 cm |
| ISBN: | 9780444518804 0444518800 |
| ISSN: | 1572-3364 |
Internformat
MARC
| LEADER | 00000nam a2200000zcb4500 | ||
|---|---|---|---|
| 001 | BV021649461 | ||
| 003 | DE-604 | ||
| 005 | 00000000000000.0 | ||
| 007 | t | ||
| 008 | 060710s2006 ne ad|| |||| 00||| eng d | ||
| 010 | |a 2006296222 | ||
| 015 | |a GBA593583 |2 dnb | ||
| 020 | |a 9780444518804 |9 978-0-444-51880-4 | ||
| 020 | |a 0444518800 |c hbk. |9 0-444-51880-0 | ||
| 035 | |a (OCoLC)62226435 | ||
| 035 | |a (DE-599)BVBBV021649461 | ||
| 040 | |a DE-604 |b ger |e aacr | ||
| 041 | 0 | |a eng | |
| 044 | |a ne |c NL | ||
| 049 | |a DE-573 | ||
| 050 | 0 | |a TJ1075 | |
| 082 | 0 | |a 621.89 | |
| 084 | |a ZL 3750 |0 (DE-625)159830: |2 rvk | ||
| 100 | 1 | |a Prashad, Har |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Tribology in electrical environments |c Har Prashad |
| 264 | 1 | |a Amsterdam u.a. |b Elsevier |c 2006 | |
| 300 | |a XVIII, 494 S. |b Ill., graph. Darst. |c 25 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Tribology and interface engineering series |v 49 |x 1572-3364 | |
| 500 | |a Includes bibliographical references and index | ||
| 650 | 4 | |a Tribology | |
| 650 | 4 | |a Electricity | |
| 650 | 0 | 7 | |a Tribologie |0 (DE-588)4060847-5 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Elektrizität |0 (DE-588)4014216-4 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Tribologie |0 (DE-588)4060847-5 |D s |
| 689 | 0 | 1 | |a Elektrizität |0 (DE-588)4014216-4 |D s |
| 689 | 0 | |5 DE-604 | |
| 830 | 0 | |a Tribology and interface engineering series |v 49 |w (DE-604)BV019312198 |9 49 | |
| 856 | 4 | |u http://www.loc.gov/catdir/enhancements/fy0634/2006296222-d.html |3 Publisher description | |
| 856 | 4 | 2 | |m HEBIS Datenaustausch Darmstadt |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014864133&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-014864133 | ||
Datensatz im Suchindex
| _version_ | 1804135455165251584 |
|---|---|
| adam_text | TRIBOLOGYAND INTERFACE ENGINEERING SERIES, 49 EDITOR: B.J. BRISCOE
TRIBOLOGY IN ELECTRICAL ENVIRONMENTS HAR PRASHAD HYDERABAD, INDIA
AMSTERDAM - BOSTON - LONDON - NEW YORK - OXFORD - PARIS JCJ_IOXLVLRIL .
SAN DIEGO * SAN FRANCISCO * SINGAPORE - SYDNEY * TOKYO CONTENTS PREFACE
XV ABOUT THE AUTHOR XVII 1. ANALYSIS OF BEARINGS AND LUBRICANTS IN
ELECTRICAL ENVIRONMENTS: A STATE-OF-THE-ART REVIEW 1 1.1 INTRODUCTION
1 1.2 ROLLING-ELEMENT BEARINGS 3 1.3 LUBRICANTS 6 1.4 HYDRODYNAMIC
JOURNAL BEARINGS 7 1.5 HYDRODYNAMIC THRUST BEARINGS 8 1.6 CONCLUSIONS 9
REFERENCES 10 2. SHAFT VOLTAGES AND THEIR ORIGIN IN ROTATING MACHINES
AND FLOW OF & ELECTRIC CURRENT THROUGH BEARINGS 15 2.1 INTRODUCTION 15
2.2 CAUSES FOR THE ORIGIN OF SHAFT VOLTAGES 15 2.3 FACTORS AFFECTING THE
SHAFT VOLTAGES 21 2.4 REASONS FOR EPIDEMIC SHAFT CURRENT PROBLEMS 21 VI
CONTENTS 2.5 PASSAGE OF CURRENT THROUGH BEARINGS 22 2.6 BEARING
ELECTRICAL PARAMETERS 22 2.7 CONCLUSIONS 23 3. BEHAVIOR OF LUBRICANTS IN
ROLLING-ELEMENT BEARINGS UNDER THE INFLUENCE OF ELECTRIC CURRENT 25 3.1
INTRODUCTION 25 3.2 THE EXPERIMENTAL FACILITIES 27 3.3 THE EXPERIMENTAL
PROCEDURE 31 3.4 DISCUSSION ON THE RESULTS 55 3.5 CONCLUSIONS 66
REFERENCES 67 4. THRESHOLD VOLTAGE PHENOMENON AND EFFECT OF OPERATING
PARAMETERS ON THE THRESHOLD VOLTAGE IN ROLLING-ELEMENT BEARINGS 71 4.1
BEARING THRESHOLD VOLTAGE 71 4.2 TEST SET-UP AND INVESTIGATIONS 72 4.3
THEORETICAL 75 4.4 INFLUENCE OF THE OPERATING PARAMETERS AND LUBRICANT
CHARACTERISTICS ON THRESHOLD VOLTAGES 78 4.5 PHENOMENON OF BEARING
IMPEDANCE 80 4.6 INFLUENCE OF THE OPERATING PARAMETERS AND MINIMUM FILM
THICKNESS ON BEARING IMPEDANCE 82 4.7 DIFFERENT TYPES OF BEARING FAILURE
84 4.8 CONCLUSIONS 85 REFERENCES 86 5. EFFECT OF ELECTRIC CURRENT ON THE
TRACK SURFACES OF ROLLING-ELEMENT BEARINGS 89 5.1 A GENERAL REVIEW 89
5.2 PROCESS OF FORMATION OF CORRUGATIONS 90 5.3 THEORETICAL
DETERMINATION OF PITCH AND WIDTH OF CORRUGATIONS ON ROLLER TRACK OF
RACES AND ROLLERS OF ROLLER BEARINGS 91 5.4 THEORETICAL DETERMINATION OF
PITCH AND WIDTH OF CORRUGATIONS ON BALL TRACK OF RACES AND BALLS OF BALL
BEARINGS 94 5.5 EXPERIMENTAL INVESTIGATIONS 99 * CONTENTS VII 5.6 EFFECT
OF VARIOUS FACTORS ON CORRUGATIONS AND ON BEARING SURFACES 103 5.7
DISCUSSION ON VARIOUS ASPECTS OF CORRUGATIONS 109 5.8 CONCLUSIONS 111
REFERENCES 112 6. ELECTRICAL PARAMETERS OF ROLLING-ELEMENT BEARINGS 115
6.1 INTRODUCTION 115 6.2 ELECTRICAL PARAMETERS OF ROLLER BEARINGS 116
6.3 ELECTRICAL PARAMETERS OF BALL BEARINGS 124 6.4 DATA UNDER DIFFERENT
OPERATING PARAMETERS 129 6.5 REVIEW OF RESULTS 129 6.6 CONCLUSIONS 135
REFERENCES 136 7. LIFE ESTIMATION OF ROLLING-ELEMENT BEARINGS DUE TO THE
EFFECT OF CURRENT LEAKAGE 139 7.1 GENERAL 139 7.2 THEORETICAL ANALYSIS
OF LIFE ESTIMATION OF ROLLER BEARINGS 140 7.3 THEORETICAL ANALYSIS OF
LIFE ESTIMATION OF BALL BEARINGS 143 7.4 CAPACITIVE EFFECT OF
ROLLING-ELEMENT BEARINGS 147 7.5 THERMAL STRESSES DUE TO THERMAL
TRANSIENTS ON ROLLING-ELEMENT TRACK SURFACES OF RACES 151 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 152 7.7 DISCUSSION OF RESULTS 155 7.8 CONCLUSIONS 158 REFERENCES
~ 159 8. ANALYSIS OF CAPACITIVE EFFECT OF ROLLER BEARINGS ON REPEATED
STARTS AND STOPS OF A MACHINE 165 8.1 INTRODUCTION 165 8.2 THEORETICAL
ANALYSIS TO ACCUMULATE AND DISCHARGE OF THE ACCUMULATED CHARGES 165 VIII
CONTENTS 8.3 THEORETICAL DATA 172 8.4 RESULTS AND DISCUSSION ON SHAFT
ROTATIONS FOR CHARGE ACCUMULATION/DISCHARGE AND THE FORMATION OF CRATERS
173 8.5 CONCLUSIONS 174 REFERENCES 175 9. EFFECT OF CURRENT LEAKAGE ON
ELECTRO-ADHESION FORCES IN ROLLING FRICTION AND MAGNETIC FLUX DENSITY
DISTRIBUTION ON TRACK SURFACES OF ROLLING-ELEMENT BEARINGS 179 9.1
GENERAL 179 9.2 INTRODUCTION 180 9.3 THEORETICAL MODEL AND APPROACH FOR
DETERMINATION OF FIELD STRENGTH 182 9.4 FIELD STRENGTH ON TRACK SURFACE
OF RACES AND ROLLING-ELEMENTS 182 9.5 MAGNETIC FLUX DENSITY ON BEARING
SURFACES 187 9.6 ELECTRO-ADHESION FORCES 191 9.7 EXPERIMENTAL FACILITIES
AND INVESTIGATIONS . 192 9.8 TEST CONDITIONS AND PROCEDURE 193 9.9
THEORETICAL AND EXPERIMENTAL DATA ON FLUX DENSITY 196 9.10 DISCUSSION ON
INVESTIGATIONS 198 9.11 CONCLUSIONS 204 REFERENCES 205 10. TIME SPAN FOR
DEVELOPMENT OF FLUTES AFTER THE APPEARANCE OF SLIP BANDS ON THE TRACK
SURFACE OF ROLLING-ELEMENT BEARINGS UNDER THE INFLUENCE OF ELECTRIC
CURRENT 211 10.1 GENERAL 211 10.2 INTRODUCTION 212 10.3 BACKGROUND OF
ELECTRIC CURRENT DAMAGE AND THE FORMATION OF SLIP BANDS/CORRUGATIONS 212
10.4 THEORETICAL ANALYSIS FOR ENERGY REQUIREMENT FOR THEF APPEARANCE OF
CORRUGATIONS 214 10.5 EXPERIMENTAL INVESTIGATIONS AND OTHER RELATED
ASPECTS 217 10.6 COMPARISON OF THEORETICAL AND EXPERIMENTAL DATA 218
CONTENTS IX 10.7 DISCUSSION ON ENERGY AND TIME REQUIRED FOR THE
APPEARANCE OF CORRUGATIONS 219 10.8 CONCLUSIONS 221 REFERENCES 221 11.
APPEARANCE OF CRATERS ON TRACK SURFACE OF ROLLING-ELEMENT BEARINGS BY
SPARK EROSION 225 11.1 GENERAL 225 11.2 INTRODUCTION 226 11.3 BACKGROUND
AND PRINCIPLE INVOLVED IN THE FORMATION OF CRATERS 226 11.4 THEORETICAL
ANALYSIS FOR ENERGY REQUIREMENT LEADING TO THE FORMATION OF CRATERS 227
11.5 EXPERIMENTAL INVESTIGATIONS 234 11.6 DATA DEDUCTION AND DISCUSSION
ON ENERGY & TIME REQUIRED FOR THE FORMATION OF CRATERS 235 11.7
CONCLUSIONS 239 REFERENCES 240 12. APPEARANCE AND EFFECT OF LOCALIZED
ELECTRIC CURRENT IN ROLLING-ELEMENT BEARINGS 243 12.1 GENERAL 243 12.2
INTRODUCTION 243 12.3 BEARING ARRANGEMENT AND NATURE OF BEARING FAILURE
244 12.4 INVESTIGATIONS, OBSERVATIONS AND DATA COLLECTION 245 12.5
THEORETICAL MODEL AND APPROACH TO DETERMINE THE FLOW OF LOCALIZED
CURRENT IN A BEARING 247 12.6 FIELD STRENGTH ON THE TRACK SURFACE OF
RACES AND ROLLING-ELEMENTS 250 12.7 MAGNETIC FLUX DENSITY 251 12.8
DETERMINATION OF TIME SPAN FOR THE APPEARANCE OF FLUTES ON THE TRACK
SURFACES 251 12.9 DATA ANALYSIS * 252 12.10 RESULTS AND DISCUSSION ON
THE LOCALIZED CURRENT, THE FLUX DENSITY, TIME SPAN AND MECHANISM OF
BEARING FAILURE 253 12.11 CONCLUSIONS 256 REFERENCES 256 C CONTENTS 13.
ALTERNATIVE APPROACHES TO DETERMINATION OF STIFFNESS OF ROLLING-ELEMENT
BEARINGS 261 13.1 13.2 13.3 13.4 13.5 GENERAL INTRODUCTION THEORETICAL
ANALYSIS OF ROLLER BEARING THEORETICAL ANALYSIS CONCLUSIONS REFERENCES
TO DETERMINATION TO DETERMINATION OF OF STIFFNESS STIFFNESS OF BALL
BEARING 261 261 262 273 283 283 14. FAILURE DIAGNOSIS AND INVESTIGATIONS
OF ROLLING-ELEMENT BEARINGS DUE TO UNFORESEEN CAUSES 287 14.1 GENERAL
287 14.2 INTRODUCTION 287 14.3 BEARING ARRANGEMENT AND NATURE OF BEARING
FAILURE 288 14.4 INVESTIGATIONS, OBSERVATIONS AND DATA COLLECTION 289
14.5 RESULTS AND DISCUSSION 293 14.6 CONCLUSIONS 297 REFERENCES 298 15.
ELECTRICAL PARAMETERS OF A CYLINDRICAL HYDRODYNAMIC JOURNAL BEARING AND
REDUCTION IN ITS LIFE UNDER THE INFLUENCE OF DIFFERENT LEVELS OF
SHAFT-VOLTAGES 301 15.1 INTRODUCTION 301 15.2 THEORETICAL DETERMINATION
OF ELECTRICAL PARAMETERS OF CYLINDRICAL HYDRODYNAMIC JOURNAL BEARINGS
302 15.3 OPTIMUM CLEARANCE RATIOS AND SAFE LOAD-CARRYING CAPACITY 307
15.4 THEORETICAL ANALYSIS OF THE ESTIMATION OF BEARING LIFE UNDER THE
INFLUENCE OF THE SHAFT VOLTAGES 308 15.5 DATA OF THEORETICAL ANALYSIS **
311 15.6 DISCUSSION ON THEORETICAL ANALYSIS 312 15.7 DAMAGES RESULTING
FROM SHAFT VOLTAGES 320 15.8 CONCLUSIONS 321 REFERENCES 322 CONTENTS XI
16. ANALYSIS OF CAPACITIVE EFFECT OF JOURNAL BEARINGS ON REPEATED STARTS
AND STOPS OF A MACHINE AND MINIMUM NUMBER OF CYCLES FOR THE FORMATION OF
CRATERS ON THE LINER SURFACE UNDER THE INFLUENCE OF SHAFT VOLTAGES 325
16.1 INTRODUCTION 325 16.2 THEORETICAL ANALYSIS PERTAINING TO REPEATED
STARTS AND STOPS OF A MACHINE 327 16.3 THEORETICAL MODEL TO DETERMINE
NUMBER OF CYCLES FOR THE APPEARANCE OF CRATERS ON THE LINER SURFACE 332
16.4 DATA DEDUCTION 335 16.5 RESULTS AND DISCUSSION 336 16.6 CONCLUSIONS
339 REFERENCES 340 17. ELECTRICAL PARAMETERS AND DYNAMIC COEFFICIENTS OF
DIFFERENT MULTI-LOBES AND TILTING-PAD JOURNAL BEARINGS BY ELECTRICAL
ANALOGY 345 345 345 346 361 374 387 397 400 18. EVALUATION OF STIFFNESS
AND DAMPING COEFFICIENTS OF CYLINDRICAL JOURNAL BEARINGS BY ELECTRICAL
ANALOGY 403 18.1 INTRODUCTION 403 18.2 BACKGROUND 404 18.3 THEORETICAL
DERIVATIONS 405 18.4 BEARING STIFFNESS COEFFICIENTS 408 18.5 THEORETICAL
ANALYSIS FOR DAMPING COEFFICIENTS 411 18.6 MATHEMATICAL MODEL 413 17.1
17.2 17.3 17.4 17.5 17.6 17.7 GENERAL INTRODUCTION TWO-LOBE JOURNAL
BEARING THREE-LOBE BEARING FOUR-LOBE BEARING TILTING-PAD JOURNAL
BEARINGS CONCLUSIONS REFERENCES XII CONTENTS 18.7 DETERMINATION OF
DAMPING AND STIFFNESS COEFFICIENTS 415 18.8 RESULTS AND DISCUSSION 417
18.9 CONCLUSIONS 420 REFERENCES 421 19. ELECTRICAL PARAMETERS AND LIFE
ESTIMATION OF PIVOTED PAD THRUST BEARINGS UNDER THE INFLUENCE OF
DIFFERENT LEVELS OF SHAFT VOLTAGES 425 19.1 INTRODUCTION 425 19.2
THEORETICAL DETERMINATION OF CAPACITANCE BETWEEN PIVOTED PAD AND THRUST
COLLAR/RUNNER OF A BEARING 426 19.3 THEORETICAL DETERMINATION OF ACTIVE
RESISTANCE BETWEEN THRUST COLLAR/RUNNER AND A PIVOTED PAD 428 19.4
CAPACITANCE AND RESISTANCE OF THRUST BEARINGS 428 19.5 DETERMINATION OF
CAPACITIVE REACTANCE AND IMPEDANCE OF HYDRODYNAMIC THRUST BEARING, AND
BETWEEN THRUST COLLAR AND AN INDIVIDUAL PAD 429 19.6 LIFE ESTIMATION OF
PIVOTED PAD THRUST BEARINGS 429 19.7 DATA DEDUCTION FROM THEORETICAL
ANALYSIS 435 19.8 RESULTS AND DISCUSSION ON ELECTRICAL PARAMETERS AND
BEARING LIFE 437 19.9 CONCLUSIONS 443 REFERENCES 445 20. ANALYSIS OF
PIVOTED PAD THRUST BEARINGS ON REPEATED STARTS AND STOPS OF A MACHINE
OPERATING UNDER THE INFLUENCE OF SHAFT VOLTAGES AND THEORETICAL MODEL TO
DETERMINE MINIMUM CYCLES FOR THE FORMATION OF CRATERS ON THE LINER
SURFACE 451 20.1 INTRODUCTION 451 20.2 THEORETICAL ANALYSIS OF REPEATED
STARTS AND STOPS OF A MACHINE 453 20.3 THEORETICAL MODEL TO DETERMINE
NUMBER OF CYCLES FOR THE APPEARANCE OF CRATERS ON THE TRACK SURFACE OF A
TILTING PAD THRUST BEARING 458 20.4 DATA ON REPEATED STARTS/STOPS AND ON
THE CRATER FORMATION 462 20.5 RESULTS AND DISCUSSION 463 20.6
CONCLUSIONS 467 REFERENCES 468 CONTENTS XIII 21. ANALYSIS OF INDUCTIVE
EFFECTS OF BEARINGS UNDER THE INFLUENCE OF SHAFT VOLTAGES 473 21.1
INTRODUCTION 473 21.2 INDUCTANCE OF BEARING CURCUIT 474 21.3 ANALYSIS OF
INDUCTIVE EFFECT 474 21.4 DATA DEDUCTION 477 21.5 DISCUSSIONS 478 21.6
CONCLUSIONS 480 REFERENCES 480 INDEX 483
|
| adam_txt |
TRIBOLOGYAND INTERFACE ENGINEERING SERIES, 49 EDITOR: B.J. BRISCOE
TRIBOLOGY IN ELECTRICAL ENVIRONMENTS HAR PRASHAD HYDERABAD, INDIA
AMSTERDAM - BOSTON - LONDON - NEW YORK - OXFORD - PARIS JCJ_IOXLVLRIL\.
SAN DIEGO * SAN FRANCISCO * SINGAPORE - SYDNEY * TOKYO CONTENTS PREFACE
XV ABOUT THE AUTHOR XVII 1. ANALYSIS OF BEARINGS AND LUBRICANTS IN
ELECTRICAL ENVIRONMENTS: A STATE-OF-THE-ART REVIEW 1 1.1 INTRODUCTION '
1 1.2 ROLLING-ELEMENT BEARINGS 3 1.3 LUBRICANTS 6 1.4 HYDRODYNAMIC
JOURNAL BEARINGS 7 1.5 HYDRODYNAMIC THRUST BEARINGS 8 1.6 CONCLUSIONS 9
REFERENCES 10 2. SHAFT VOLTAGES AND THEIR ORIGIN IN ROTATING MACHINES
AND FLOW OF & ELECTRIC CURRENT THROUGH BEARINGS 15 2.1 INTRODUCTION 15
2.2 CAUSES FOR THE ORIGIN OF SHAFT VOLTAGES 15 2.3 FACTORS AFFECTING THE
SHAFT VOLTAGES 21 2.4 REASONS FOR EPIDEMIC SHAFT CURRENT PROBLEMS 21 VI
CONTENTS 2.5 PASSAGE OF CURRENT THROUGH BEARINGS 22 2.6 BEARING
ELECTRICAL PARAMETERS 22 2.7 CONCLUSIONS 23 3. BEHAVIOR OF LUBRICANTS IN
ROLLING-ELEMENT BEARINGS UNDER THE INFLUENCE OF ELECTRIC CURRENT 25 3.1
INTRODUCTION 25 3.2 THE EXPERIMENTAL FACILITIES 27 3.3 THE EXPERIMENTAL
PROCEDURE 31 3.4 DISCUSSION ON THE RESULTS 55 3.5 CONCLUSIONS 66
REFERENCES 67 4. THRESHOLD VOLTAGE PHENOMENON AND EFFECT OF OPERATING
PARAMETERS ON THE THRESHOLD VOLTAGE IN ROLLING-ELEMENT BEARINGS 71 4.1
BEARING THRESHOLD VOLTAGE 71 4.2 TEST SET-UP AND INVESTIGATIONS 72 4.3
THEORETICAL 75 4.4 INFLUENCE OF THE OPERATING PARAMETERS AND LUBRICANT
CHARACTERISTICS ON THRESHOLD VOLTAGES 78 4.5 PHENOMENON OF BEARING
IMPEDANCE 80 4.6 INFLUENCE OF THE OPERATING PARAMETERS AND MINIMUM FILM
THICKNESS ON BEARING IMPEDANCE 82 4.7 DIFFERENT TYPES OF BEARING FAILURE
84 4.8 CONCLUSIONS 85 REFERENCES 86 5. EFFECT OF ELECTRIC CURRENT ON THE
TRACK SURFACES OF ROLLING-ELEMENT BEARINGS 89 5.1 A GENERAL REVIEW 89
5.2 PROCESS OF FORMATION OF CORRUGATIONS '" 90 5.3 THEORETICAL
DETERMINATION OF PITCH AND WIDTH OF CORRUGATIONS ON ROLLER TRACK OF
RACES AND ROLLERS OF ROLLER BEARINGS 91 5.4 THEORETICAL DETERMINATION OF
PITCH AND WIDTH OF CORRUGATIONS ON BALL TRACK OF RACES AND BALLS OF BALL
BEARINGS 94 5.5 EXPERIMENTAL INVESTIGATIONS 99 * CONTENTS VII 5.6 EFFECT
OF VARIOUS FACTORS ON CORRUGATIONS AND ON BEARING SURFACES 103 5.7
DISCUSSION ON VARIOUS ASPECTS OF CORRUGATIONS 109 5.8 CONCLUSIONS 111
REFERENCES 112 6. ELECTRICAL PARAMETERS OF ROLLING-ELEMENT BEARINGS 115
6.1 INTRODUCTION 115 6.2 ELECTRICAL PARAMETERS OF ROLLER BEARINGS 116
6.3 ELECTRICAL PARAMETERS OF BALL BEARINGS 124 6.4 DATA UNDER DIFFERENT
OPERATING PARAMETERS 129 6.5 REVIEW OF RESULTS 129 6.6 CONCLUSIONS 135
REFERENCES 136 7. LIFE ESTIMATION OF ROLLING-ELEMENT BEARINGS DUE TO THE
EFFECT OF CURRENT LEAKAGE 139 7.1 GENERAL 139 7.2 THEORETICAL ANALYSIS
OF LIFE ESTIMATION OF ROLLER BEARINGS 140 7.3 THEORETICAL ANALYSIS OF
LIFE ESTIMATION OF BALL BEARINGS 143 7.4 CAPACITIVE EFFECT OF
ROLLING-ELEMENT BEARINGS 147 7.5 THERMAL STRESSES DUE TO THERMAL
TRANSIENTS ON ROLLING-ELEMENT TRACK SURFACES OF RACES 151 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 152 7.7 DISCUSSION OF RESULTS 155 7.8 CONCLUSIONS 158 REFERENCES
~ 159 8. ANALYSIS OF CAPACITIVE EFFECT OF ROLLER BEARINGS ON REPEATED
STARTS AND STOPS OF A MACHINE 165 8.1 INTRODUCTION 165 8.2 THEORETICAL
ANALYSIS TO ACCUMULATE AND DISCHARGE OF THE ACCUMULATED CHARGES 165 VIII
CONTENTS 8.3 THEORETICAL DATA 172 8.4 RESULTS AND DISCUSSION ON SHAFT
ROTATIONS FOR CHARGE ACCUMULATION/DISCHARGE AND THE FORMATION OF CRATERS
173 8.5 CONCLUSIONS 174 REFERENCES 175 9. EFFECT OF CURRENT LEAKAGE ON
ELECTRO-ADHESION FORCES IN ROLLING FRICTION AND MAGNETIC FLUX DENSITY
DISTRIBUTION ON TRACK SURFACES OF ROLLING-ELEMENT BEARINGS 179 9.1
GENERAL 179 9.2 INTRODUCTION 180 9.3 THEORETICAL MODEL AND APPROACH FOR
DETERMINATION OF FIELD STRENGTH 182 9.4 FIELD STRENGTH ON TRACK SURFACE
OF RACES AND ROLLING-ELEMENTS 182 9.5 MAGNETIC FLUX DENSITY ON BEARING
SURFACES 187 9.6 ELECTRO-ADHESION FORCES 191 9.7 EXPERIMENTAL FACILITIES
AND INVESTIGATIONS . 192 9.8 TEST CONDITIONS AND PROCEDURE 193 9.9
THEORETICAL AND EXPERIMENTAL DATA ON FLUX DENSITY 196 9.10 DISCUSSION ON
INVESTIGATIONS 198 9.11 CONCLUSIONS 204 REFERENCES 205 10. TIME SPAN FOR
DEVELOPMENT OF FLUTES AFTER THE APPEARANCE OF SLIP BANDS ON THE TRACK
SURFACE OF ROLLING-ELEMENT BEARINGS UNDER THE INFLUENCE OF ELECTRIC
CURRENT 211 10.1 GENERAL 211 10.2 INTRODUCTION 212 10.3 BACKGROUND OF
ELECTRIC CURRENT DAMAGE AND THE FORMATION OF SLIP BANDS/CORRUGATIONS 212
10.4 THEORETICAL ANALYSIS FOR ENERGY REQUIREMENT FOR THEF APPEARANCE OF
CORRUGATIONS 214 10.5 EXPERIMENTAL INVESTIGATIONS AND OTHER RELATED
ASPECTS 217 10.6 COMPARISON OF THEORETICAL AND EXPERIMENTAL DATA 218
CONTENTS IX 10.7 DISCUSSION ON ENERGY AND TIME REQUIRED FOR THE
APPEARANCE OF CORRUGATIONS 219 10.8 CONCLUSIONS 221 REFERENCES 221 11.
APPEARANCE OF CRATERS ON TRACK SURFACE OF ROLLING-ELEMENT BEARINGS BY
SPARK EROSION 225 11.1 GENERAL 225 11.2 INTRODUCTION 226 11.3 BACKGROUND
AND PRINCIPLE INVOLVED IN THE FORMATION OF CRATERS 226 11.4 THEORETICAL
ANALYSIS FOR ENERGY REQUIREMENT LEADING TO THE FORMATION OF CRATERS 227
11.5 EXPERIMENTAL INVESTIGATIONS 234 11.6 DATA DEDUCTION AND DISCUSSION
ON ENERGY & TIME REQUIRED FOR THE FORMATION OF CRATERS 235 11.7
CONCLUSIONS 239 REFERENCES 240 12. APPEARANCE AND EFFECT OF LOCALIZED
ELECTRIC CURRENT IN ROLLING-ELEMENT BEARINGS 243 12.1 GENERAL 243 12.2
INTRODUCTION 243 12.3 BEARING ARRANGEMENT AND NATURE OF BEARING FAILURE
244 12.4 INVESTIGATIONS, OBSERVATIONS AND DATA COLLECTION 245 12.5
THEORETICAL MODEL AND APPROACH TO DETERMINE THE FLOW OF LOCALIZED
CURRENT IN A BEARING 247 12.6 FIELD STRENGTH ON THE TRACK SURFACE OF
RACES AND ROLLING-ELEMENTS 250 12.7 MAGNETIC FLUX DENSITY 251 12.8
DETERMINATION OF TIME SPAN FOR THE APPEARANCE OF FLUTES ON THE TRACK
SURFACES 251 12.9 DATA ANALYSIS * 252 12.10 RESULTS AND DISCUSSION ON
THE LOCALIZED CURRENT, THE FLUX DENSITY, TIME SPAN AND MECHANISM OF
BEARING FAILURE 253 12.11 CONCLUSIONS 256 REFERENCES 256 C CONTENTS 13.
ALTERNATIVE APPROACHES TO DETERMINATION OF STIFFNESS OF ROLLING-ELEMENT
BEARINGS 261 13.1 13.2 13.3 13.4 13.5 GENERAL INTRODUCTION THEORETICAL
ANALYSIS OF ROLLER BEARING THEORETICAL ANALYSIS CONCLUSIONS REFERENCES
TO DETERMINATION TO DETERMINATION OF OF STIFFNESS STIFFNESS OF BALL
BEARING 261 261 262 273 283 283 14. FAILURE DIAGNOSIS AND INVESTIGATIONS
OF ROLLING-ELEMENT BEARINGS DUE TO UNFORESEEN CAUSES 287 14.1 GENERAL
287 14.2 INTRODUCTION 287 14.3 BEARING ARRANGEMENT AND NATURE OF BEARING
FAILURE 288 14.4 INVESTIGATIONS, OBSERVATIONS AND DATA COLLECTION 289
14.5 RESULTS AND DISCUSSION 293 14.6 CONCLUSIONS 297 REFERENCES 298 15.
ELECTRICAL PARAMETERS OF A CYLINDRICAL HYDRODYNAMIC JOURNAL BEARING AND
REDUCTION IN ITS LIFE UNDER THE INFLUENCE OF DIFFERENT LEVELS OF
SHAFT-VOLTAGES 301 15.1 INTRODUCTION 301 15.2 THEORETICAL DETERMINATION
OF ELECTRICAL PARAMETERS OF CYLINDRICAL HYDRODYNAMIC JOURNAL BEARINGS
302 15.3 OPTIMUM CLEARANCE RATIOS AND SAFE LOAD-CARRYING CAPACITY 307
15.4 THEORETICAL ANALYSIS OF THE ESTIMATION OF BEARING LIFE UNDER THE
INFLUENCE OF THE SHAFT VOLTAGES 308 15.5 DATA OF THEORETICAL ANALYSIS **
311 15.6 DISCUSSION ON THEORETICAL ANALYSIS 312 15.7 DAMAGES RESULTING
FROM SHAFT VOLTAGES 320 15.8 CONCLUSIONS 321 REFERENCES 322 CONTENTS XI
16. ANALYSIS OF CAPACITIVE EFFECT OF JOURNAL BEARINGS ON REPEATED STARTS
AND STOPS OF A MACHINE AND MINIMUM NUMBER OF CYCLES FOR THE FORMATION OF
CRATERS ON THE LINER SURFACE UNDER THE INFLUENCE OF SHAFT VOLTAGES 325
16.1 INTRODUCTION 325 16.2 THEORETICAL ANALYSIS PERTAINING TO REPEATED
STARTS AND STOPS OF A MACHINE 327 16.3 THEORETICAL MODEL TO DETERMINE
NUMBER OF CYCLES FOR THE APPEARANCE OF CRATERS ON THE LINER SURFACE 332
16.4 DATA DEDUCTION 335 16.5 RESULTS AND DISCUSSION 336 16.6 CONCLUSIONS
339 REFERENCES 340 17. ELECTRICAL PARAMETERS AND DYNAMIC COEFFICIENTS OF
DIFFERENT MULTI-LOBES AND TILTING-PAD JOURNAL BEARINGS BY ELECTRICAL
ANALOGY 345 345 345 346 361 374 387 397 400 18. EVALUATION OF STIFFNESS
AND DAMPING COEFFICIENTS OF CYLINDRICAL JOURNAL BEARINGS BY ELECTRICAL
ANALOGY 403 18.1 INTRODUCTION " 403 18.2 BACKGROUND 404 18.3 THEORETICAL
DERIVATIONS 405 18.4 BEARING STIFFNESS COEFFICIENTS 408 18.5 THEORETICAL
ANALYSIS FOR DAMPING COEFFICIENTS 411 18.6 MATHEMATICAL MODEL 413 17.1
17.2 17.3 17.4 17.5 17.6 17.7 GENERAL INTRODUCTION TWO-LOBE JOURNAL
BEARING THREE-LOBE BEARING FOUR-LOBE BEARING TILTING-PAD JOURNAL
BEARINGS CONCLUSIONS REFERENCES XII CONTENTS 18.7 DETERMINATION OF
DAMPING AND STIFFNESS COEFFICIENTS 415 18.8 RESULTS AND DISCUSSION 417
18.9 CONCLUSIONS 420 REFERENCES 421 19. ELECTRICAL PARAMETERS AND LIFE
ESTIMATION OF PIVOTED PAD THRUST BEARINGS UNDER THE INFLUENCE OF
DIFFERENT LEVELS OF SHAFT VOLTAGES 425 19.1 INTRODUCTION 425 19.2
THEORETICAL DETERMINATION OF CAPACITANCE BETWEEN PIVOTED PAD AND THRUST
COLLAR/RUNNER OF A BEARING 426 19.3 THEORETICAL DETERMINATION OF ACTIVE
RESISTANCE BETWEEN THRUST COLLAR/RUNNER AND A PIVOTED PAD 428 19.4
CAPACITANCE AND RESISTANCE OF THRUST BEARINGS 428 19.5 DETERMINATION OF
CAPACITIVE REACTANCE AND IMPEDANCE OF HYDRODYNAMIC THRUST BEARING, AND
BETWEEN THRUST COLLAR AND AN INDIVIDUAL PAD 429 19.6 LIFE ESTIMATION OF
PIVOTED PAD THRUST BEARINGS 429 19.7 DATA DEDUCTION FROM THEORETICAL
ANALYSIS 435 19.8 RESULTS AND DISCUSSION ON ELECTRICAL PARAMETERS AND
BEARING LIFE 437 19.9 CONCLUSIONS 443 REFERENCES 445 20. ANALYSIS OF
PIVOTED PAD THRUST BEARINGS ON REPEATED STARTS AND STOPS OF A MACHINE
OPERATING UNDER THE INFLUENCE OF SHAFT VOLTAGES AND THEORETICAL MODEL TO
DETERMINE MINIMUM CYCLES FOR THE FORMATION OF CRATERS ON THE LINER
SURFACE 451 20.1 INTRODUCTION 451 20.2 THEORETICAL ANALYSIS OF REPEATED
STARTS AND STOPS OF A MACHINE 453 20.3 THEORETICAL MODEL TO DETERMINE
NUMBER OF CYCLES FOR THE APPEARANCE OF CRATERS ON THE TRACK SURFACE OF A
TILTING PAD THRUST BEARING 458 20.4 DATA ON REPEATED STARTS/STOPS AND ON
THE CRATER FORMATION 462 20.5 RESULTS AND DISCUSSION 463 20.6
CONCLUSIONS 467 REFERENCES 468 CONTENTS XIII 21. ANALYSIS OF INDUCTIVE
EFFECTS OF BEARINGS UNDER THE INFLUENCE OF SHAFT VOLTAGES 473 21.1
INTRODUCTION 473 21.2 INDUCTANCE OF BEARING CURCUIT 474 21.3 ANALYSIS OF
INDUCTIVE EFFECT 474 21.4 DATA DEDUCTION 477 21.5 DISCUSSIONS 478 21.6
CONCLUSIONS 480 REFERENCES 480 INDEX 483 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Prashad, Har |
| author_facet | Prashad, Har |
| author_role | aut |
| author_sort | Prashad, Har |
| author_variant | h p hp |
| building | Verbundindex |
| bvnumber | BV021649461 |
| callnumber-first | T - Technology |
| callnumber-label | TJ1075 |
| callnumber-raw | TJ1075 |
| callnumber-search | TJ1075 |
| callnumber-sort | TJ 41075 |
| callnumber-subject | TJ - Mechanical Engineering and Machinery |
| classification_rvk | ZL 3750 |
| ctrlnum | (OCoLC)62226435 (DE-599)BVBBV021649461 |
| dewey-full | 621.89 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.89 |
| dewey-search | 621.89 |
| dewey-sort | 3621.89 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen |
| discipline_str_mv | Maschinenbau / Maschinenwesen |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01830nam a2200481zcb4500</leader><controlfield tag="001">BV021649461</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">00000000000000.0</controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">060710s2006 ne ad|| |||| 00||| eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">2006296222</subfield></datafield><datafield tag="015" ind1=" " ind2=" "><subfield code="a">GBA593583</subfield><subfield code="2">dnb</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9780444518804</subfield><subfield code="9">978-0-444-51880-4</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">0444518800</subfield><subfield code="c">hbk.</subfield><subfield code="9">0-444-51880-0</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)62226435</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV021649461</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">aacr</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">ne</subfield><subfield code="c">NL</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-573</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">TJ1075</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">621.89</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">ZL 3750</subfield><subfield code="0">(DE-625)159830:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Prashad, Har</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Tribology in electrical environments</subfield><subfield code="c">Har Prashad</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Amsterdam u.a.</subfield><subfield code="b">Elsevier</subfield><subfield code="c">2006</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XVIII, 494 S.</subfield><subfield code="b">Ill., graph. Darst.</subfield><subfield code="c">25 cm</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="1" ind2=" "><subfield code="a">Tribology and interface engineering series</subfield><subfield code="v">49</subfield><subfield code="x">1572-3364</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references and index</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Tribology</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Electricity</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Tribologie</subfield><subfield code="0">(DE-588)4060847-5</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Elektrizität</subfield><subfield code="0">(DE-588)4014216-4</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Tribologie</subfield><subfield code="0">(DE-588)4060847-5</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Elektrizität</subfield><subfield code="0">(DE-588)4014216-4</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="830" ind1=" " ind2="0"><subfield code="a">Tribology and interface engineering series</subfield><subfield code="v">49</subfield><subfield code="w">(DE-604)BV019312198</subfield><subfield code="9">49</subfield></datafield><datafield tag="856" ind1="4" ind2=" "><subfield code="u">http://www.loc.gov/catdir/enhancements/fy0634/2006296222-d.html</subfield><subfield code="3">Publisher description</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">HEBIS Datenaustausch Darmstadt</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014864133&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-014864133</subfield></datafield></record></collection> |
| id | DE-604.BV021649461 |
| illustrated | Illustrated |
| index_date | 2024-07-02T15:02:36Z |
| indexdate | 2024-07-09T20:40:46Z |
| institution | BVB |
| isbn | 9780444518804 0444518800 |
| issn | 1572-3364 |
| language | English |
| lccn | 2006296222 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-014864133 |
| oclc_num | 62226435 |
| open_access_boolean | |
| owner | DE-573 |
| owner_facet | DE-573 |
| physical | XVIII, 494 S. Ill., graph. Darst. 25 cm |
| publishDate | 2006 |
| publishDateSearch | 2006 |
| publishDateSort | 2006 |
| publisher | Elsevier |
| record_format | marc |
| series | Tribology and interface engineering series |
| series2 | Tribology and interface engineering series |
| spelling | Prashad, Har Verfasser aut Tribology in electrical environments Har Prashad Amsterdam u.a. Elsevier 2006 XVIII, 494 S. Ill., graph. Darst. 25 cm txt rdacontent n rdamedia nc rdacarrier Tribology and interface engineering series 49 1572-3364 Includes bibliographical references and index Tribology Electricity Tribologie (DE-588)4060847-5 gnd rswk-swf Elektrizität (DE-588)4014216-4 gnd rswk-swf Tribologie (DE-588)4060847-5 s Elektrizität (DE-588)4014216-4 s DE-604 Tribology and interface engineering series 49 (DE-604)BV019312198 49 http://www.loc.gov/catdir/enhancements/fy0634/2006296222-d.html Publisher description HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014864133&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Prashad, Har Tribology in electrical environments Tribology and interface engineering series Tribology Electricity Tribologie (DE-588)4060847-5 gnd Elektrizität (DE-588)4014216-4 gnd |
| subject_GND | (DE-588)4060847-5 (DE-588)4014216-4 |
| title | Tribology in electrical environments |
| title_auth | Tribology in electrical environments |
| title_exact_search | Tribology in electrical environments |
| title_exact_search_txtP | Tribology in electrical environments |
| title_full | Tribology in electrical environments Har Prashad |
| title_fullStr | Tribology in electrical environments Har Prashad |
| title_full_unstemmed | Tribology in electrical environments Har Prashad |
| title_short | Tribology in electrical environments |
| title_sort | tribology in electrical environments |
| topic | Tribology Electricity Tribologie (DE-588)4060847-5 gnd Elektrizität (DE-588)4014216-4 gnd |
| topic_facet | Tribology Electricity Tribologie Elektrizität |
| url | http://www.loc.gov/catdir/enhancements/fy0634/2006296222-d.html http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014864133&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV019312198 |
| work_keys_str_mv | AT prashadhar tribologyinelectricalenvironments |