Systematic development of friction clutches:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Uelvesbüll
<<Der>> Andere Verlag
2015
|
| Schriftenreihe: | Antriebstechnik
2 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis Inhaltsverzeichnis |
| Beschreibung: | xx, 213 Seiten Illustrationen |
| ISBN: | 9783862475308 |
Internformat
MARC
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| 100 | 1 | |a Abdullah, Oday Ibraheem |e Verfasser |0 (DE-588)1077936567 |4 aut | |
| 245 | 1 | 0 | |a Systematic development of friction clutches |c Oday Ibraheem Abdullah |
| 264 | 1 | |a Uelvesbüll |b <<Der>> Andere Verlag |c 2015 | |
| 300 | |a xx, 213 Seiten |b Illustrationen | ||
| 336 | |b txt |2 rdacontent | ||
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| 490 | 1 | |a Antriebstechnik |v 2 | |
| 502 | |b Dissertation |c Technische Universität Hamburg-Harburg |d 2015 | ||
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| 650 | 0 | 7 | |a Reibungswärme |0 (DE-588)4177465-6 |2 gnd |9 rswk-swf |
| 653 | |a Friction clutches | ||
| 653 | |a Thermoelastic problem | ||
| 653 | |a Contact analysis | ||
| 653 | |a Thermal analysis | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | CONTENTS
1 INTRODUCTION 1
1.1 MOTIVATION 1
1.2 BACKGROUND AUTOMOTIVE TRIBOLOGY 2
1.2.1 CONTACT MECHANICS 3
1.2.2 DEFINITION OF FRICTION 4
1.2.3 WEAR OF MACHINE ELEMENTS 5
1.3 TYPES OF CLUTCHES AND BRAKES 6
1.3.1 POSITIVE CONTACT CLUTCHES 7
1.3.2 FRICTION CLUTCHES AND BRAKES 8
1.3.3 OVERRUNNING CLUTCHES (ONE-WAY CLUTCHES) 8
1.3.4 CENTRIFUGAL CLUTCHES 10
1.3.5 MAGNETIC CLUTCHES AND BRAKES 10
1.3.6 FLUID COUPLING II
1.4 FRICTION MATERIALS FOR CLUTCHES 12
1.4.1 DRY-CLUTCH LINING MATERIALS 14
1.4.2 WET-CLUTCH LINING MATERIALS 14
1.5 COEFFICIENT OF FRICTION 17
1.6 MATING SURFACES 19
1.7 SERVICE FACTOR OF FRICTION CLUTCHES 19
1.8 CLUTCH CHARACTERISTICS 20
1.9 FAILURES PATTERNS IN FRICTION SURFACES OF CLUTCHES 22
1.10 OBJECTIVE AND SCOPE 24
1.11 OUTLINES OF THE THESIS 24
2 STATE OF THE ART 27
1.1 INTRODUCTION 27
2.2 THE TEMPERATURE FIELD OF AUTOMOTIVE CLUTCHES AND BRAKES 28
2.3 THEORETICAL BACKGROUND OF THERMOELASTIC PROBLEM 31
2.3.1 STABILITY ANALYSIS 31
2.3.2 STEADY-STATE ANALYSIS 34
HTTP://D-NB.INFO/1072707039
CONTENTS
2.3.3 TRANSIENT ANALYSIS 36
2.4 EXPERIMENTAL OBSERVATIONS 40
2.5 THEIMOELASTODYNAMIC INSTABILITY (TEDI) 44
2.6 EFFECT OF GROOVES ON CLUTCH RESPONSE 45
2.7 WEAR IN SLIDING SYSTEMS 46
3 MATHEMATICAL MODEL OF FRICTION CLUTCHES 49
3.1 INTRODUCTION TO FRICTION CLUTCH DESIGN 49
3.2 TYPES OF FRICTION CLUTCHES 49
3.2.1 SINGLE-DISC CLUTCHES 49
3.2.2 MULTI-DISC CLUTCHES 53
3.3 THEORIES OF FRICTION CLUTCH DESIGN 53
3.3.1 METHOD OF UNIFORM PRESSURE 55
3.3.2 METHOD OF UNIFORM WEAR 57
3.4 ENERGY CONSIDERATION 58
3.5 RATE OF ENERGY DISSIPATION 60
3.5.1 RATE OF ENERGY DISSIPATION: TWO-INERTIA SYSTEM 61
3.5.2 RATE OF ENERGY DISSIPATION BASED ON FRICTIONAL FORCE 66
3.5.2.1 UNIFORM PRESSURE CONDITION 67
3.5.2.2 UNIFORM WEAR CONDITION 67
3.6 VARIATION OF THE DESIGN PARAMETERS WITH DIMENSIONLESS DISC RADIUS
(R) .... 68
3.7 CORRECTION FACTOR FOR RATE OF ENERGY DISSIPATION: TWO-INERTIA SYSTEM
72
3.8 OPERATING PARAMETERS OF THE FRICTION CLUTCHES 74
3.8.1 EFFECT OF NORMAL LOAD AND CONTACT PRESSURE 74
3.8.2 FACING AREA AND THICKNESS OF FRICTION MATERIAL 75
3.8.3 SLIDING SPEED 75
3.8.4 EFFECTIVE RADIUS (R
E
) 76
3.8.5 OPERATING TEMPERATURE 76
3.8.6 GROOVING 77
3.8.7 SURFACE FINISHING 78
3.9 CONCLUDING REMARKS 78
II
CONTENTS
4 TRANSIENT SOLUTION OF A THERMAL PROBLEM 79
4.1 BACKGROUND ABOUT THERMAL PROBLEM IN FRICTION CLUTCHES 79
4.2 AXISYMMETRIC ANALYSIS USING A HEAT PARTITIONING APPROACH 79
4.2.1 HISTORY OF HEAT PARTITION RATIO 80
4.2.2 MATHEMATICAL MODEL 84
4.2.3 FINITE ELEMENT FORMULATION OF THERMAL PROBLEM 87
4.2.4 EFFECT OF HEAT FLUX VARIATION 89
4.2.5 EFFECT OF BAND CONTACT 93
4.2.6 EFFECT OF GROOVES 99
4.3 TOTAL HEAT GENERATION APPROACH 109
4.3.1 REPEATED ENGAGEMENTS 112
4.3.2 EFFECT OFPRESSURE PLATE THICKNESS 119
4.4 CHAPTER S SUMMARY 123
5 CONTACT ANALYSIS OF DRY CLUTCHES 127
5.1 INTRODUCTION TO CONTACT ANALYSIS 127
5.2 CONTACT ALGORITHMS 128
5.3 AXISYMMETRIC MODEL OF A SINGLE-DISC CLUTCH 129
5.3.1 EFFECT OF CONTACT STIFFNESS 132
5.3.2 PENALTY ALGORITHM VS AUGMENTED ALGORITHM 132
5.4 THREE-DIMENSIONAL CONTACT MODEL OF A SINGLE-DISC CLUTCH 134
5.5 AXISYMMETRIC MODEL OF MULTI-DISC CLUTCH 138
5.6 EFFECT OF STIFFNESS 141
5.6.1 EFFECT OF THICKNESS 144
5.6.2 EFFECT OF MATERIAL PROPERTIES 144
5.6.3 EFFECT OF BOUNDARY CONDITIONS 149
5.7 EFFECT OF SURFACE ROUGHNESS 153
5.8 CHAPTER S OUTLINE 158
6 THERMOELASTIC ANALYSIS OF DRY CLUTCHES 161
III
CONTENTS
6.1 INTRODUCTION TO THERMOELASTIC PROBLEM 161
6.2 SOLUTION OF THERMOELASTIC PROBLEM IN DRY CLUTCHES 162
6.3 THERMOELASTIC ANALYSIS USING SEQUENTIALLY COUPLED THERMAL-MECHANICAL
APPROACH 166
6.3.1 EFFECT OF SLIDING SPEED 171
6.3.2 EFFECT OF FRICTIONAL FACING THICKNESS 179
6.3.3 EFFECT OF BOUNDARY CONDITIONS 181
6.3.4 EFFECT OF SLIDING SPEED APPLYING A CONSTANT INITIAL HEAT
GENERATION ... 184
6.3.5 EFFECT OF SURFACE ROUGHNESS 186
6.4 EXPERIMENTAL STUDY ON TEMPERATURE DISTRIBUTION OF A PIN AND DISC
TEST 189
6.5 CONCLUDING REMARKS 192
7 CONCLUSIONS AND FUTURE WORK 195
7.1 CONCLUSIONS AND REMARKS 195
7.2 FUTURE WORK 197
BIBLIOGRAPHY 199
LIST OF PUBLICATION 211
IV
|
| any_adam_object | 1 |
| author | Abdullah, Oday Ibraheem |
| author_GND | (DE-588)1077936567 |
| author_facet | Abdullah, Oday Ibraheem |
| author_role | aut |
| author_sort | Abdullah, Oday Ibraheem |
| author_variant | o i a oi oia |
| building | Verbundindex |
| bvnumber | BV043642009 |
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| ctrlnum | (OCoLC)953532447 (DE-599)DNB1072707039 |
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| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.825 |
| dewey-search | 621.825 |
| dewey-sort | 3621.825 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen |
| format | Thesis Book |
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| spelling | Abdullah, Oday Ibraheem Verfasser (DE-588)1077936567 aut Systematic development of friction clutches Oday Ibraheem Abdullah Uelvesbüll <<Der>> Andere Verlag 2015 xx, 213 Seiten Illustrationen txt rdacontent n rdamedia nc rdacarrier Antriebstechnik 2 Dissertation Technische Universität Hamburg-Harburg 2015 Kontakt Reibung (DE-588)4293741-3 gnd rswk-swf Reibkupplung (DE-588)4198159-5 gnd rswk-swf Reibungswärme (DE-588)4177465-6 gnd rswk-swf Friction clutches Thermoelastic problem Contact analysis Thermal analysis (DE-588)4113937-9 Hochschulschrift gnd-content Reibkupplung (DE-588)4198159-5 s Reibungswärme (DE-588)4177465-6 s Kontakt Reibung (DE-588)4293741-3 s DE-604 Der Andere Verlag GmbH (DE-588)1064331270 pbl Antriebstechnik 2 (DE-604)BV043666264 2 B:DE-101 application/pdf http://d-nb.info/1072707039/04 Inhaltsverzeichnis DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029055810&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Abdullah, Oday Ibraheem Systematic development of friction clutches Antriebstechnik Kontakt Reibung (DE-588)4293741-3 gnd Reibkupplung (DE-588)4198159-5 gnd Reibungswärme (DE-588)4177465-6 gnd |
| subject_GND | (DE-588)4293741-3 (DE-588)4198159-5 (DE-588)4177465-6 (DE-588)4113937-9 |
| title | Systematic development of friction clutches |
| title_auth | Systematic development of friction clutches |
| title_exact_search | Systematic development of friction clutches |
| title_full | Systematic development of friction clutches Oday Ibraheem Abdullah |
| title_fullStr | Systematic development of friction clutches Oday Ibraheem Abdullah |
| title_full_unstemmed | Systematic development of friction clutches Oday Ibraheem Abdullah |
| title_short | Systematic development of friction clutches |
| title_sort | systematic development of friction clutches |
| topic | Kontakt Reibung (DE-588)4293741-3 gnd Reibkupplung (DE-588)4198159-5 gnd Reibungswärme (DE-588)4177465-6 gnd |
| topic_facet | Kontakt Reibung Reibkupplung Reibungswärme Hochschulschrift |
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