Dr Sam
Akehurst
Full Name:
Dr Sam Akehurst
Department:
Mechanical Engineering
Job Title:
EPSRC Advanced Research Fellow (Powertrain
and Vehicle Research Centre)
Telephone:
+44 01225 383312
Fax:
+44 01225 386928
E-mail Address:
Postal Address:
4E 2.41
BA2 7AY
Research Interests:-
EPSRC funded
research “Lean Powertrain Development”
PhD. Research
"Investigating the loss mechanisms associated with a pushing metal V-belt
CVT"
Performance of new concept CVTs
CVT kinematics and tribology
effects
Performance and Configuration
of IVT systems
Transient performance of high speed direct injection diesel engines
Improving the Fuel Economy of
high speed direct injection diesel engines , particularly FEAD efficiency and
Engine Thermal Systems
Evaluation of new powertrain
technologies including Variable Valve Actuation, Electric super/turbocharging, and vehicle hybridisation using ISAD
systems.
Test Cell operations and
re-creation of vehicle testing on engine test facilities
Diesel engine and powertrain
simulation
Publications:-
“CVT Traction Drives –A Review of Research into Their Design, Functionality and Modelling”, S. Akehurst , D.A. Parker, S Schaaf, ASME Journal of Mechanical Design, September 2006, Vol. 128 pp. 1165-1176.
"Design Considerations and Potential of the Milner CVT", A Hunt, S Akehurst (University of Bath), S Schaaf (Intersyn Technologies), to be presneted at the IMechE, Integrated Powertrain and Driveline Systems 2006, 14-15th June, Dunton, Essex
“Modelling of the Loss Mechanisms in a
Pushing Metal V-belt CVT: Part 1 Torque Losses due to Band Friction”, S.
Akehurst, N.D. Vaughan, D.A. Parker, D. Simner, IMechE, Journal of Automobile Engineering, Part D, Vol.
218, D11, pp. 1269-1281, November 2004
“Modelling of the Loss Mechanisms in a
Pushing Metal V-belt CVT: Part 2 Pulley Deflection Losses & Total Torque
Loss Validation”, S. Akehurst, N.D. Vaughan, D.A. Parker, D. Simner, IMechE, Journal of
Automobile Engineering, Part D, Vol. 218, D11, pp. 1283-1293, November 2004
“Modelling of the Loss Mechanisms in a
Pushing Metal V-belt CVT: Part 3 Belt Slip Losses”, S. Akehurst, N.D. Vaughan,
D.A. Parker, D. Simner, IMechE,
Journal of Automobile Engineering, Part D, Vol. 218, D11, pp. 1295-1306,
November 2004
“Potential for Fuel Economy Improvements by Reducing
Frictional Losses in a Pushing Metal V-Belt CVT”, S. Akehurst, D.A.
Parker, N.D. Vaughan, SAE Paper 2004-01-0481,
presented at the 2004 SAE World Congress, March 8th-12th 2004,
selected for SAE2004 Transactions, Journal of Passenger Cars- Mechanical
systems.
“
“Potential of a
Controllable Engine Cooling System to Reduce NOx
Emissions in Diesel Engines”, H.H. Pang, C.J. Brace, S. Akehurst, SAE Paper
2004-01-0054, presented at the 2004 SAE World Congress, March 8th-12th
2004
“Investigating the loss
mechanisms associated with a pushing metal V-belt CVT” PhD. Thesis 2001,
"Performance
Investigations of a Novel Rolling
“Performance
Investigations of a Novel Rolling Traction Drive CVT” SAE Paper No.
2001-01-0874 also in Transactions of the SAE, Journal of Vehicle Design 2002
"An Investigation into
the Loss Mechanisms Associated with an Automotive Metal V-Belt CVT"
published by EAEC, in "Vehicle Systems Technology for the Next
Century" and presented at European Automotive Congress,
"The Effect of Lubricant
Temperature on the Loss Mechanisms Associated with an Automotive Metal V-Belt
CVT", 2000 CEC/SAE International Spring Fuels & Lubricants Meeting
& Exposition, June 19-22, Le Palais des Congres, Paris. SAE Paper 2000-01-1872.
Awaiting Publication:-
“Dynamic
Modelling of the Milner CVT- The Basic Kinematics”, Accepted for publication ASME Journal of
Mechanical Design,
In Preparation:-
“Optimisation
of Traction within the Milner CVT, Trade-offs between Tangential Slip and Spin
Torque Losses”, A Hunt, S. Akehurst, D.A. Parker
“Cooling system changes
on-engine – developing sound approaches for assessing system hardware”, S.
Akehurst, J.G. Hawley, M. Piddock (The University Of
Bath, UK), I. Pegg (Ford Motor Company,
“The Drive
to Reduce CO2- Technology hurdles, objectives and benefits”, S. Akehurst
“Latest Developments in Modelling and Optimisation
of the Milner CVT”, S. Akehurst, A. Hunt, S. Schaaf,
accepted for CVT-HYBRID Conference, 2007,
“A
Model based, Design of Experiments Approach to Advanced Air Flow Management on
an Automotive Diesel Engine” S. Akehurst, M. Piddock
“A
Model based approach to Optimising Heat Release in an HSDI Diesel engine for
maximal BSFC, Effects of Burn duration, Start of Combustion and Burn Rate
Profile” S. Akehurst
Other:-
British Patent
Application GB0205666.1 "Transverse elements for
driving belts for use on V-shaped
pulleys"
Major Grants and Contracts:-
EPSRC Advanced Fellowship (EP/C540883/1) September
2005-2010 Value £249,657
EPSRC “Lean Powertrain Development Tool” (EP/C540891/1) March 2006-2009 Value £303,227
"Modelling of the MCVT Fundamental Theory and Analysis" - Funded by Intersyn Technologies, Houston, Texas
"Development of Advanced Transmission Test Facility" - Funded by Intersyn Technologies, Houston, Texas
Current
Research Students:-
PhD Student
Mr
Yiping Tan “Dynamic
Simulation of HSDI Diesel Engine Performance”
Mr Adrian Hunt “Modelling and Performance Investigations of the Milner CVT”
Mr
Mitch Piddock “Lean Powertrain Development"
Mr
Mr Pengfei Wang “CVT controller Development using Hardware in the Loop Powertrain Modelling Techniques”
Software Experience:-
General: Microsoft PowerPoint, Word, Excel,
Project.
Engineering Specific: GREDI, MATLAB/Simulink, Dspace, Ricardo
WAVE, CP CADET V-12, Origin, Visual Basic, Fortran, Design of Experiments
Software (Umetrics MODDE 5 and MATLAB MBC toolbox)
Click Some of the Links to see
Our Work
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