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The wear and thermo-elastohydrodynam...

Jackson, Robert L., III.

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The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads./
Author:	Jackson, Robert L., III.
Description:	296 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1512.
Contained By:	Dissertation Abstracts International65-03B.
Subject:	Engineering, Mechanical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3126697
ISBN:	0496739763

The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads.
Jackson, Robert L., III.

The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads. - 296 p.

Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1512.

Thesis (Ph.D.)--Georgia Institute of Technology, 2004.

The goal of this work is to investigate the physical mechanisms that distress thrust washer bearings through physical modeling and numerical techniques. The thrust washer bearing is subjected to non-axisymmetric loads within the planetary gear sets of automatic transmissions in automobiles. In practice the thrust washer bearing often distresses severely and unpredictably, causing transmission breakdown and liability issues. A specially designed thrust washer bearing test rig allows for controlled variation of the operational parameters (speed, load, lubrication flow rate, etc.) governing the tribological behavior of the washer. The test rig also records pertinent real-time data (frictional torque and temperature) from the bearing. In conjunction with the experimental model, a new comprehensive numerical simulation of thrust washer bearings is constructed. The numerical simulation incorporates the effects of macro-scale deformation, micro-scale surface asperity contact, heat generation, boundary and full film lubrication. To model surface asperity contact, the current work performs an extensive finite element study of elasto-plastic spherical contact. The numerical and experimental results show that significant sliding asperity contact can cause high temperatures, high friction, and severe wear.

ISBN: 0496739763Subjects--Topical Terms:

783786
Engineering, Mechanical.

The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads.
LDR:02253nmm 2200289 4500 001 1841106
005 20050823122911.5
008 130614s2004 eng d
020 $a 0496739763
035 $a (UnM)AAI3126697
035 $a AAI3126697
040 $a UnM $c UnM
100 1 $a Jackson, Robert L., III. $3 1929417
245 1 4 $a The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads.
300 $a 296 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1512.
500 $a Director: Itzhak Green.
502 $a Thesis (Ph.D.)--Georgia Institute of Technology, 2004.
520 $a The goal of this work is to investigate the physical mechanisms that distress thrust washer bearings through physical modeling and numerical techniques. The thrust washer bearing is subjected to non-axisymmetric loads within the planetary gear sets of automatic transmissions in automobiles. In practice the thrust washer bearing often distresses severely and unpredictably, causing transmission breakdown and liability issues. A specially designed thrust washer bearing test rig allows for controlled variation of the operational parameters (speed, load, lubrication flow rate, etc.) governing the tribological behavior of the washer. The test rig also records pertinent real-time data (frictional torque and temperature) from the bearing. In conjunction with the experimental model, a new comprehensive numerical simulation of thrust washer bearings is constructed. The numerical simulation incorporates the effects of macro-scale deformation, micro-scale surface asperity contact, heat generation, boundary and full film lubrication. To model surface asperity contact, the current work performs an extensive finite element study of elasto-plastic spherical contact. The numerical and experimental results show that significant sliding asperity contact can cause high temperatures, high friction, and severe wear.
590 $a School code: 0078.
650 4 $a Engineering, Mechanical. $3 783786
650 4 $a Engineering, Automotive. $3 1018477
650 4 $a Applied Mechanics. $3 1018410
690 $a 0548
690 $a 0540
690 $a 0346
710 2 0 $a Georgia Institute of Technology. $3 696730
773 0 $t Dissertation Abstracts International $g 65-03B.
790 1 0 $a Green, Itzhak, $e advisor
790 $a 0078
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3126697