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Research Output 2001 2019

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Article
2019
Open Access
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The effect of fuel composition on particulate emissions from a highly boosted GDI engine - an evaluation of three particulate indices

Akehurst, S., Turner, J., Lewis, A., Leach, F., Stone, R., Cracknell, R., Shankar, V. & Richardson, D., 6 May 2019, In : Fuel. 252, p. 598-611 14 p.

Research output: Contribution to journalArticle

Open Access
2018
5 Citations (Scopus)
Alcohol fuels
Binary mixtures
Internal combustion engines
Alcohols
Gasoline
Open Access
File
Superchargers
Engines
Transient analysis
Gasoline
Torque
8 Citations (Scopus)

Particulate emissions from a highly boosted gasoline direct injection engine

Lewis, A., Akehurst, S., Turner, J., Leach, F., Stone, R., Richardson, D., Remmert, S., Cracknell, R. & Campbell, S., 1 Mar 2018, In : International Journal of Engine Research. 19, 3, p. 347-359 13 p.

Research output: Contribution to journalArticle

Open Access
Particulate emissions
Direct injection
Gasoline
Engines
Fuel injection
8 Citations (Scopus)

The effect of oxygenate fuels on PN emissions from a highly boosted GDI engine

Leach, F. C. P., Stone, R., Richardson, D., Turner, J. W. G., Lewis, A., Akehurst, S., Remmert, S., Campbell, S. & Cracknell, R., 1 Aug 2018, In : Fuel. 225, p. 277-286 10 p.

Research output: Contribution to journalArticle

Direct injection
Gasoline
Engines
Air cushion vehicles
Particulate Matter
2017
Diesel engines
Engines
Fuel injection
Hot Temperature
Hardware
2 Citations (Scopus)

A novel predictive semi-physical feed-forward turbocharging system transient control strategy based on mean-value turbocharger model

Tang, H., Copeland, C., Akehurst, S., Brace, C., Davies, P., Pohorelsky, L., Smith, L. & Capon, G., 1 Oct 2017, In : International Journal of Engine Research. 18, 8, p. 765-775

Research output: Contribution to journalArticle

Open Access
File
Turbines
Geometry
Gasoline
Engines
Powertrains
1 Citation (Scopus)

A real-time capable mixing controlled combustion model for highly diluted conditions

Dowell, P., Akehurst, S. & Burke, R., 15 Aug 2017, In : Energy. 133, p. 1035-1049 15 p.

Research output: Contribution to journalArticle

Open Access
File
Exhaust gas recirculation
Engine cylinders
Dilution
Engines
Charge injection
Open Access
File
Diesel engines
Engines
Exhaust gas recirculation
Engine cylinders
Hardware
2 Citations (Scopus)
Direct injection
Internal combustion engines
Coolants
Flow rate
Electric sparks
Open Access
File
Passenger cars
Superchargers
Engines
Supercharging
Electric load loss
2016
1 Citation (Scopus)
Internal combustion engines
Scavenging
Engines
Brakes
Fuel consumption
9 Citations (Scopus)
Internal combustion engines
Engines
Gases
Pressurization
Superchargers
19 Citations (Scopus)

Stochastic dynamic programming in the real-world control of hybrid electric vehicles

Vagg, C., Akehurst, S., Brace, C. & Ash, L., May 2016, In : IEEE Transactions on Control Systems Technology. p. 853-866

Research output: Contribution to journalArticle

File
Powertrains
Hybrid vehicles
Dynamic programming
Dynamometers
Controllers
2015
7 Citations (Scopus)

A New De-throttling Concept in a Twin-Charged Gasoline Engine System

Hu, B., Copeland, C., Lu, P., Akehurst, S., Brace, C., Turner, J. W. G., Romagnoli, A. & Martinez-Botas, R., 14 Apr 2015, In : SAE International Journal of Engines. 8, 4, p. 1553-1561

Research output: Contribution to journalArticle

Superchargers
Gasoline
Engines
Speed control
Engine cylinders
12 Citations (Scopus)
4 Citations (Scopus)

Modelling the Performance of the Torotrak V-Charge Variable Drive Supercharger System on a 1.0L GTDI - Preliminary Simulation Results

Hu, B., Tang, H., Akehurst, S., De Freitas, A., Burtt, D. & Shawe, J., 1 Sep 2015, In : SAE Technical Papers. 2015-September, September

Research output: Contribution to journalArticle

Superchargers
Clutches
Engines
Transient analysis
Compressors
9 Citations (Scopus)
Open Access
File
Engines
Pressurization
Gases
Air
9 Citations (Scopus)

SuperGen on ultraboost: variable-speed centrifugal supercharging as an enabling technology for extreme engine downsizing

Turner, J. W. G., Popplewell, A., Marshall, D. J., Johnson, T. R., Barker, L., King, J., Martin, J., Lewis, A. G. J., Akehurst, S., Brace, C. J. & Copeland, C. D., 14 Apr 2015, In : SAE International Journal of Engines. 8, 4

Research output: Contribution to journalArticle

Superchargers
Engines
Fuel economy
Crankshafts
Transient analysis
3 Citations (Scopus)
Open Access
File
Exhaust gas recirculation
Internal combustion engines
Gases
Combustion knock
Calorific value
2014
11 Citations (Scopus)
Engines
Exhaust gases
Turbines
Gases
Combustion knock
8 Citations (Scopus)
Open Access
File
Diesel engines
Engines
Exhaust gas recirculation
Powertrains
Dynamometers
8 Citations (Scopus)

Observations on the Measurement and Performance Impact of Catalyzed vs. Non Catalyzed EGR on a Heavily Downsized DISI Engine

Lewis, A. G. J., Akehurst, S., Turner, J., Patel, R. & Popplewell, A., 1 Apr 2014, In : SAE International Journal of Engines. 7, 1, p. 458-467 10 p., 2014-01-1196.

Research output: Contribution to journalArticle

Exhaust gas recirculation
Engines
Catalysts
Combustion knock
Exhaust gases
26 Citations (Scopus)
Open Access
File
Engines
Specifications
Engine cylinders
Combustion knock
Direct injection
18 Citations (Scopus)

Octane response in a downsized, highly boosted direct injection spark ignition engine

Remmert, S. M., Cracknell, R. F., Head, R., Schuetze, A., Lewis, A., Akehurst, S., Turner, J. & Popplewell, A., 30 Apr 2014, In : SAE International Journal of Fuels and Lubricants . 7, 1, p. 131-143 13 p., 2014-01-1397.

Research output: Contribution to journalArticle

Open Access
File
Direct injection
Internal combustion engines
Engines
Antiknock rating
Engine cylinders
94 Citations (Scopus)

Ultra boost for economy: extending the limits of extreme engine downsizing

Turner, J. W. G., Popplewell, A., Patel, R., Johnson, T. R., Darnton, N. J., Richardson, S., Bredda, S. W., Tudor, R. J., Bithell, C. I., Jackson, R., Remmert, S. M., Cracknell, R. F., Fernandes, J. X., Lewis, A. G. J., Akehurst, S., Brace, C. J., Copeland, C. D., Martinez-Botas, R., Romagnoli, A. & Burluka, A. A., 1 Apr 2014, In : SAE International Journal of Engines. 7, 1, p. 387-417

Research output: Contribution to journalArticle

Engines
Torque
Superchargers
Camshafts
Specifications
2013

An improved rate of heat release model for modern high speed diesel engines

Akehurst, S. & Dowell, P., 2013, (Accepted/In press) In : International Journal of Engine Research.

Research output: Contribution to journalArticle

1 Citation (Scopus)
Hardware
Controllers
Actuators
Testing
Torque
40 Citations (Scopus)

Development and field trial of a driver assistance system to encourage eco-driving in light commercial vehicle fleets

Vagg, C., Brace, C. J., Hari, D., Akehurst, S., Poxon, J. & Ash, L., Jun 2013, In : IEEE Transactions on Intelligent Transportation Systems. 14, 2, p. 796-805 10 p., 6459602.

Research output: Contribution to journalArticle

Open Access
File
Commercial vehicles
Fuel consumption
Driver training
Gears
Managers
2 Citations (Scopus)
Diesel engines
Engines
Air
Hardware
Internal combustion engines
2012
1 Citation (Scopus)
Diesel engines
Carbon dioxide
Engines
Fuel injection
Fuel economy
11 Citations (Scopus)

Development of a new method to assess fuel saving using gear shift indicators

Vagg, C., Brace, C. J., Wijetunge, R., Akehurst, S. & Ash, L., Dec 2012, In : Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 226, 12, p. 1630-1639 10 p.

Research output: Contribution to journalArticle

Open Access
File
Gears
Fuel consumption
Dynamometers
Chassis
Calibration
7 Citations (Scopus)
Open Access
File
Temperature control
Engines
Fuel consumption
Nitrogen oxides
Exhaust gas recirculation
2011
11 Citations (Scopus)
Open Access
File
Superchargers
Engines
Transient analysis
Compressors
Torque
2 Citations (Scopus)
Engines
Design of experiments
2 Citations (Scopus)
Internal combustion engines
Engines
Calibration
2010
11 Citations (Scopus)
Open Access
File
Fuel consumption
Lubricants
Engines
Lubricating oils
Dynamometers
2008
23 Citations (Scopus)
Fuel economy
Cooling systems
Thermostats
Flow control
Coolants
2007
13 Citations (Scopus)

Dynamic modeling of the Milner continuously variable transmission - The basic kinematics

Akehurst, S., Parker, D. A. & Schaaf, S., Nov 2007, In : Journal of Mechanical Design. 129, 11, p. 1170-1178 9 p.

Research output: Contribution to journalArticle

Kinematics
Planets
Analytical models
Torque
2006
22 Citations (Scopus)

CVT Rolling Traction Drives— A Review of Research Into Their Design, Functionality, and Modeling

Akehurst, S., Parker, D. A. & Schaaf, S., 2006, In : Journal of Mechanical Design. 128, 5, p. 1165-1176 12 p.

Research output: Contribution to journalArticle

Elastohydrodynamic lubrication
Fluids
Rheology
Kinematics
Design optimization
2004
4 Citations (Scopus)

Front End Auxiliary Drive (FEAD) configurations focusing on CO2 benefits

Akehurst, S., Hawley, J. G., Pegg, I. & Piddock, M., 2004, In : SAE Transactions. Journal of Passenger Cars: Mechanical Systems. 113, 6, p. 264-275 12 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)
Pulleys
Torque
Metals
Belt drives
Fuel economy
21 Citations (Scopus)
Pulleys
Metals
Torque
Belt drives
Fuel economy
1 Citation (Scopus)

Potential for Fuel Economy Improvements by Reducing Frictional Losses in a Pushing Metal V-Belt CVT

Akehurst, S., Vaughan, N. D. & Parker, D. A., 2004, In : SAE Transactions. Journal of Passenger Cars: Mechanical Systems. 113, 6, p. 247-263 17 p.

Research output: Contribution to journalArticle

2001

Performance Investigations of a Novel Rolling Traction Drive CVT

Akehurst, S., Vaughan, N. D., Brace, C. J., Milner, P. J. & Hosoi, Y., 2001, In : SAE Transactions. Journal of Passenger Cars: Mechanical Systems. 110, 6, p. 979-986 8 p.

Research output: Contribution to journalArticle