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Details of Grant 

EPSRC Reference: GR/N36318/01
Title: SIMULTANEOUS TRACTION AND FILM THICKNESS MEASUREMENTS IN HIGH PRESSURE LUBRICATED CONTACTS
Principal Investigator: Spikes, Professor HA
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Torotrak Development Ltd
Department: Mechanical Engineering
Organisation: Imperial College London
Scheme: LINK
Starts: 01 May 2001 Ends: 31 October 2002 Value (£): 68,638
EPSRC Research Topic Classifications:
Eng. Dynamics & Tribology Instrumentation Eng. & Dev.
EPSRC Industrial Sector Classifications:
Aerospace, Defence and Marine Transport Systems and Vehicles
Related Grants:
Panel History:  
Summary on Grant Application Form
An existing optical interferometric test rig will be modified to enable the ball on flat contact to operate in nominally zero spin conditions and for traction measurements to be made simultaneously with film thickness measurement.Friction and film thickness measurements will be made in this apparatus on a series of traction fluids at a range of entrainment speeds, slide roll ratios, pressures and temperatures. Tests will be carried out in both zero spin and finite spin contact conditions. Tests will be carried out from the full-film EHD regime through to the mixed lubrication regime. Some work will also be undertaken to map film thickness in mixed film lubricated contact for traction fluids.The results will be analysed in terms of existing EHD and mixed lubrication traction theory and supplied to assist in model development and in the interpretation of disc machine and variator traction performance.EngProg\
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Organisation Website: http://www.imperial.ac.uk