Sam Akehurst

Search results

• 2018

  Development and Optimisation of an Adaptive Safety Monitor

  Akehurst, S., Hillis, A. & Botes, F., 3 Apr 2018.

  Research output: Contribution to conference › Paper › peer-review

  • Powertrains 100%
  • Fault detection 61%
  • Monitoring 37%
  • Calibration 33%
  • Availability 31%

• Octane Response of a Highly Boosted Direct Injection Spark Ignition Engine at Different Compression Ratios

  Akehurst, S., Lewis, A. & Giles, K., 3 Apr 2018.

  Research output: Contribution to conference › Paper › peer-review

  • Direct injection 100%
  • Internal combustion engines 89%
  • Engines 57%
  • Antiknock rating 51%
  • Fuel economy 26%
  5 Citations (Scopus)
• 2017

  Numerical investigation into the performance and efficiency trade-off for a mechanically decoupled electric boosting system

  Liu, Y., Burke, R., Akehurst, S. & Zhang, Q., 16 Oct 2017.

  Research output: Contribution to conference › Paper › peer-review

  1 Citation (Scopus)
• 2016

  A Study on Dynamic Torque Cancellation in a Range Extender Unit

  Liu, D., Rodrigues, L., Brace, C., Akehurst, S., Kirkpatrick, G. & Ash, L., 5 Apr 2016.

  Research output: Contribution to conference › Paper › peer-review

  • Torque 100%
  • Electric machinery 95%
  • Electric losses 63%
  • Engines 61%
  • Torque control 42%
  4 Citations (Scopus)

• Development of a Low Cost Production Automotive Engine for Range Extender Application for Electric Vehicles

  Agarwal, A., Lewis, A., Brace, C. & Akehurst, S., 5 Apr 2016.

  Research output: Contribution to conference › Paper › peer-review

  • Electric vehicles 100%
  • Engines 68%
  • Fuel economy 56%
  • Exhaust manifolds 51%
  • Costs 41%
  4 Citations (Scopus)
• 2015

  Study on the Effects of EGR Supply Configuration on Cylinder-to-Cylinder Dispersion and Engine Performance Using 1D-3D Cosimulation

  Dimitriou, P., Burke, R., Copeland, C. & Akehurst, S., 17 Nov 2015.

  Research output: Contribution to conference › Paper › peer-review

  • Exhaust gas recirculation 100%
  • Engine cylinders 76%
  • Engines 51%
  • Air intakes 12%
  • Turbulence 10%
• 2014

  Characterisation of torque converter dampers: A novel method for exciting dampers through torque pulsation generation

  Aurora-Smith, A., Akehurst, S., Brace, C., Bannister, C., Wicksteed, B. & Biggs, S., 1 Jan 2014.

  Research output: Contribution to conference › Paper › peer-review

  • Torque converters 100%
  • Torque 51%
  • Engines 44%
  • Engine cylinders 28%
  • Crankshafts 24%
  2 Citations (Scopus)

• Experimental and analytical investigation of implementing a ball bearing turbocharger on a production diesel engine

  Zhang, N., Burke, R. D., Duda, T., Brace, C. J., Akehurst, S., Capon, G., Dowell, P. G. & Davies, P., 13 May 2014.

  Research output: Contribution to conference › Paper › peer-review

  2 Citations (Scopus)

• Fuel effects in a downsized, highly boosted direct injection spark ignition engine

  Campbell, S., Remmert, S., Cracknell, R., Schuetze, A., Warnecke, W., Lewis, A., Akehurst, S., Turner, J. W. G., Patel, R. & Popplewell, A., 2014.

  Research output: Contribution to conference › Paper

• Model-based Optimal Control of a Hybrid Electric Vehicle Using Stochastic Dynamic Programming

  Vagg, C., Akehurst, S., Brace, C. J. & Ash, L., 15 May 2014.

  Research output: Contribution to conference › Paper › peer-review

  • Hybrid vehicles 100%
  • Dynamic programming 91%
  • Controllers 50%
  • Dynamometers 42%
  • Chassis 42%

• Octane appetite: The Relevance of a Lower Limit to the MON Specification in a Downsized, Highly Boosted DISI Engine

  Remmert, S., Campbell, S., Cracknell, R., Schuetze, A., Lewis, A., Giles, K., Akehurst, S., Turner, J. W. G., Popplewell, A. & Patel, R., 13 Oct 2014. 13 p.

  Research output: Contribution to conference › Paper

  • Specifications 100%
  • Engines 99%
  • Engine cylinders 29%
  • Combustion knock 21%
  • Direct injection 17%

• Simulation study of divided exhaust period for a regulated two-stage downsized SI engine

  Hu, B., Brace, C., Akehurst, S., Copeland, C. & Turner, J., 13 Oct 2014.

  Research output: Contribution to conference › Paper › peer-review
  2 Citations (Scopus)

• Split exhaust period for extremely downsized turbocharged SI engine

  Hu, B., Brace, C. J., Akehurst, S., Copeland, C. & Turner, J. W. G., 2014.

  Research output: Contribution to conference › Paper
  2 Citations (Scopus)

• Wear mechanisms in polyoxymethylene (POM) spur gears

  Evans, M., Akehurst, S. & Keogh, P., 2014, p. 2591-2594. 4 p.

  Research output: Contribution to conference › Paper

  File
  58 Downloads (Pure)
• 2013

  A driver advisory tool to reduce fuel consumption: SAE Technical Paper 2012-01-2087

  Vagg, C., Brace, C., Hari, D., Akehurst, S. & Ash, L., 10 Mar 2013.

  Research output: Contribution to conference › Paper › peer-review

  • Fuel consumption 100%
  • Driver training 42%
  • Regenerative braking 35%
  • Engines 34%
  • Commercial vehicles 33%
  8 Citations (Scopus)

• Development and testing of a low cost high performance hybrid vehicle electric motor: SAE Technical Paper 2013-01-1760

  Hari, D., Brace, C., Vagg, C., Akehurst, S., Ash, L. & Strong, R., 8 Apr 2013.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File

  • Electric motors 100%
  • Hybrid vehicles 97%
  • Testing 47%
  • Torque 38%
  • Costs 35%
  2 Citations (Scopus)

  324 Downloads (Pure)

• Minimizing battery stress during hybrid electric vehicle control design: Real world considerations for model-based control development

  Vagg, C., Brace, C. J., Akehurst, S. & Ash, L., 2013, p. 329-334. 6 p.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File

  • Hybrid vehicles 100%
  • Dynamic programming 60%
  • Dynamometers 35%
  • Powertrains 35%
  • Chassis 35%
  5 Citations (Scopus)

  173 Downloads (Pure)

• Predicting the trade-off between turbine inlet temperature and engine fuel economy in a turbocharged gasoline engine

  L Smith, G Capon & K Zhang, 6 Jun 2013.

  Research output: Contribution to conference › Paper

• Simulation study of the series sequential turbocharging for engine downsizing and fuel efficiency: SAE Technical Paper 2013-01-0935

  Zhang, Q., Brace, C., Akehurst, S., Burke, R., Capon, G., Smith, L., Garrett, S. & Zhang, K., 16 Apr 2013.

  Research output: Contribution to conference › Paper › peer-review
  11 Citations (Scopus)

• Test and simulation of variable air gap concept on axial flux electric motor

  Liu, D., Hari, D., Vagg, C., Ash, L., Akehurst, S. & Brace, C. J., 2013, p. 174-179. 6 p.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File

  • Electric motors 100%
  • Fluxes 74%
  • Air 50%
  • Powertrains 20%
  • Torque 13%
  1 Citation (Scopus)

  189 Downloads (Pure)

• The Ultraboost Extreme Downsizing Project: Direct Injection, Compound Charging, Variable Valve Timing and 60% Less Capacity

  Turner, J. W. G., Popplewell, A., Richardson, S., Lewis, A. G. J., Akehurst, S. & Brace, C. J., 7 Oct 2013.

  Research output: Contribution to conference › Paper

  Open Access

  File
  15 Downloads (Pure)

• Ultra boost for economy: realizing a 60% downsized engine concept

  Lewis, A. G. J., Brace, C. J., Akehurst, S., Turner, J., Popplewell, A., Richardson, S. & Bredda, S. W., 19 Nov 2013.

  Research output: Contribution to conference › Paper › peer-review

  Open Access

  File
  7 Citations (Scopus)

  1 Downloads (Pure)
• 2012

  Estimated total energy transfer over an NEDC through steady state state performance evaluation

  Lewis, A., Akehurst, S., Brace, C., Robinson, K. & Pegg, I., 2012. 9 p.

  Research output: Contribution to conference › Paper

  • Energy transfer 100%
  • Coolants 40%
  • Combustion chambers 22%
  • Engine cylinders 20%
  • Fuel consumption 20%

• Multivariate analysis of engine emissions and fuel consumption during warm-up

  Burke, R., Brace, C. & Akehurst, S., Nov 2012.

  Research output: Contribution to conference › Paper

• Study of the behaviour of an exhaust gas heat exchanger for improved engine warm-up

  Burke, R., Brace, C., Akehurst, S., Pegg, I. & Stark, R., 2012.

  Research output: Contribution to conference › Paper

  File
  46 Downloads (Pure)

• The effect of advance combustion control features on the performance of a highly downsized gasoline engine

  Giles, K., Lewis, A., Akehurst, S., Brace, C. & Luard, N., 2012, p. 105-117. 11 p.

  Research output: Contribution to conference › Paper

  • Cams 100%
  • Gasoline 95%
  • Engines 65%
  • Torque 53%
  • Engine cylinders 41%
• 2011

  The application of the Milner CVT as a novel power splitting transmission for hybrid vehicles: SAE Technical Paper 2011-01-0890

  Moyers, J., Akehurst, S., Parker, D. A. & Schaaf, S., 12 Apr 2011.

  Research output: Contribution to conference › Paper
• 2010

  Advanced Mapping Techniques for Radial Compressor for Use in Real-Time Engine Models: SAE Technical Paper 2010-01-1227

  Akehurst, S. & Dowell, P., 13 Apr 2010.

  Research output: Contribution to conference › Paper › peer-review

  • Extrapolation 100%
  • Compressors 79%
  • Interpolation 78%
  • Engines 58%
  7 Citations (Scopus)

• Dynamic measurement of heat flux through the cylinder wall of a modern HSDI engine over a new European drive cycle

  Lewis, A. G., Akehurst, S., Brace, C., Finol, C. & Robinson, K., 12 Apr 2010.

  Research output: Contribution to conference › Paper › peer-review

  • Engine cylinders 100%
  • Heat flux 94%
  • Engines 67%
  • Fuel injection 19%
  • Coolants 16%
  2 Citations (Scopus)

• Engine and Combustion Stability over extended Operating Range using Engine Thermal Management in Calibration Procedure

  Burke, R., Brace, C. & Akehurst, S., 2010.

  Research output: Contribution to conference › Paper

  File
  21 Downloads (Pure)
• 2009

  Development of a design tool for modelling and optimisation of the Milner CVT

  Akehurst, S., Moyers, J., Hunt, A. & Schaaf, S., 13 May 2009.

  Research output: Contribution to conference › Paper › peer-review

  • Contacts (fluid mechanics) 100%
  • Design of experiments 71%
  • Roller bearings 49%
  • Geometry 46%
  • Packaging 34%

• The design of a Milner CVT using simulation based design of experiments

  Akehurst, S., 20 Apr 2009.

  Research output: Contribution to conference › Paper › peer-review

  • Design of experiments 100%
  • Roller bearings 15%
  • Packaging 10%
  • Durability 9%
  • Engineers 8%
  3 Citations (Scopus)
• 2008

  A Multiple Factor Simulation and Emulation Approach to Investigate Advanced Air handling Systems for Future Diesel Engines

  Akehurst, S. & Piddock, M., Apr 2008.

  Research output: Contribution to conference › Paper › peer-review

  • Diesel engines 100%
  • Engines 73%
  • Air 62%
  • Air engines 23%
  • Compression ratio (machinery) 21%
  2 Citations (Scopus)
• 2007

  A novel approach to investigating advanced boosting strategies of future diesel engines

  Akehurst, S. & Piddock, M., 11 Dec 2007, p. 261-276. 16 p.

  Research output: Contribution to conference › Paper

• Cooling system changes: developing sound approaches for assessing on-engine system hardware

  Piddock, M., Akehurst, S., Hawley, J. G. & Pegg, I., 21 May 2007.

  Research output: Contribution to conference › Paper

• Engine cooling systems - developing sound approaches for assessing system hardware changes

  Piddock, M., Akehurst, S., Hawley, J. G. & Pegg, I., May 2007, p. 311-321. 11 p.

  Research output: Contribution to conference › Paper

  1 Citation (Scopus)
• 2006

  Design consideration and potential of the Milner CVT

  Hunt, A., Akehurst, S. & Schaaf, S., 2006, p. 51-66. 16 p.

  Research output: Contribution to conference › Paper

  • Roller bearings 100%
  • Testing 79%
  • Dynamic analysis 69%
  • Packaging 68%
  • Failure modes 67%
  1 Citation (Scopus)
• 2004

  FEAD configurations focusing on CO2 benefits

  Akehurst, S., Hawley, J. G., Pegg, I. & Piddock, M., 8 Mar 2004.

  Research output: Contribution to conference › Paper › peer-review

• Potential of a Controllable Engine Cooling System to Reduce NOx Emissions in Diesel Engines

  Pang, H. H., Brace, C. J. & Akehurst, S., 8 Mar 2004.

  Research output: Contribution to conference › Paper › peer-review

  9 Citations (Scopus)