engine tribology - faculty of engineering - university of leeds
DESCRIPTION
Engine Tribology CourseTRANSCRIPT
6/16/13 Engine Tribology - Faculty of Engineering - University of Leeds
www.engineering.leeds.ac.uk/teaching/mechanical/module/MECH5290M 1/2
Faculty of Engineering (/)
School of Mechanical Engineering (/mechanical/)
MECH5290M - Engine Tribology (15 credits)
This is an indicative list and actual content may vary as we regularly review the content or our courses in light of new
experiences and developments in the field.
Pre-requisites
Modules: None
Other: None
Objectives
Build upon the basic physical science that underpins tribology, such that students should develop an in-depth tribological
understanding of the major frictional components of the reciprocating internal combustion engine (bearings, piston assembly
and valve train) through consideration of their analysis and design.
The module will be taught primarily by student-centred distance learning material delivered by the Internet and CD
materials. Four approximately equal size work units containing interactive learning material, self-assessment questions
(SAQs) and exercises will be provided with the following objectives.
Syllabus
Work Unit 1 : Tribology of Engine Systems
Introduction, lubrication regimes, regimes of fluid film lubrication, hydrodynamic lubrication and the Reynolds equation,
application of Reynolds equation and the tribology of an automobile engine.
Work Unit 2 : Engine Bearings
Introduction, Reynolds equation for dynamically loaded journal bearings, short journal bearing mobility analysis, further
aspects of engine bearing lubrication, journal bearing materials and failure.
Work Unit 3 : Valve Trains
Design and lubrication, cam and follower kinematics and the Reynolds equation, elastohydrodynamic lubrication, application
of valve train lubrication analysis, valve train materials and factors leading to cam/follower failure, wear prediction and
advanced design and system features.
Work Unit 4 : Piston Assemblies
Design and lubrication, single piston ring dynamics and lubrication analysis, ring pack considerations, oil-control rings, piston
skirt dynamics and lubrication, materials and advanced features of piston assembly analysis.
Form of teaching
Type Number Length (hours) Student study time (hours)
Class tests, exams and assessment 2 1 2
Private study 148
Private study
Student-centred distance learning material delivered by the VLE and CD materials. Tutor and peer support via VLE.
4 work units and preparation for corresponding 2 x Multiple Choice Question (MCQ) tests (one for Work Unit 1 and 2 and a
second for Work Units 3 and 4).
Consolidation of work units, case study essay assignment and preparation for examination.
Monitoring of progress
2 x MCQ tests; one for Work Unit 1 and 2 and a second for Work Units 3 and 4.
6/16/13 Engine Tribology - Faculty of Engineering - University of Leeds
www.engineering.leeds.ac.uk/teaching/mechanical/module/MECH5290M 2/2
A discussion forum on the Internet monitored by the module leader or nominee.
Reading list
The reading list for module MECH5290M (http://lib5.leeds.ac.uk/rlists/broker/?mod=mech5290m) may be found on the
Library web pages. (http://library.leeds.ac.uk/)
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