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  • Sam Akehurst

Novel approaches to evaluation, modelling and emulation of advanced boosting systems

Akehurst, S., 22 Jan 2019.

Research output: Contribution to conferenceOther

Open Access
File
19 Citations (Scopus)
89 Downloads (Pure)
19 Citations (Scopus)
Open Access
File
555 Downloads (Pure)

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

8 Citations (Scopus)

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 conferencePaper

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., Popplewell, A. & Patel, R., 30 Nov 2014, In : SAE International Journal of Fuels and Lubricants . 7, 3, p. 743 - 755 13 p., 2014-01-2718.

Research output: Contribution to journalArticle

Open Access
File
29 Citations (Scopus)
32 Downloads (Pure)

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
18 Citations (Scopus)
36 Downloads (Pure)
3 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
13 Citations (Scopus)

Practical approach to thermo-dynamic modelling of diesel engine emissions

Burke, R., Fath, B., Akehurst, S., Brace, C., Baumann, W. & Wascheck, R., 2011, Design of Experiments (DoE) in Engine Development,( 6th ed.). Berlin, Germany: Expert Verlag, p. 88-103

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Predicting the nitrogen oxides emissions of a diesel engine using neural networks

Zhang, Q., Pennycott, A., Burke, R., Akehurst, S. & Brace, C., 14 Apr 2015, SAE Technical Papers. SAE International

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

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 conferencePaper

Real-world to Lab – Robust measurement requirements for future vehicle powertrains

Lewis, A., Chappell, E. & Akehurst, S., 28 Jun 2018, 13th International AVL Symposium on Propulsion Diagnostics.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Review of turbocharger mapping and 1D modelling inaccuracies with specific focus on two-stage systems

Avola, C., Copeland, C., Duda, T., Burke, R., Akehurst, S. & Brace, C., 2 Jul 2015, SAE 12th International Conference on Engines & Vehicles (ICE), 2015. SAE International, 18 p. 2015-24-2523

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Road bumps for electric cars

Leach, F., Akehurst, S., Brace, C., Busch, I. H., Cairns, A., Davy, M. H., Gavaises, M., Heikal, M., Linne, M., Shayler, P., Stone, R., Taylor, A., Turner, J., Wyszynski, M., Xu, H. & Zhao, J. H., 2 Sep 2017, In : Economist (United Kingdom). 413, 9053

Research output: Contribution to journalLetter

Second Generation Hybrid System Design for Reduced CO2

Brace, C., Akehurst, S. & Plummer, A., 2012

Research output: Non-textual formWeb publication/site

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 conferencePaper

2 Citations (Scopus)

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

Hu, B., Brace, C., Akehurst, S., Copeland, C. & Turner, J., 2014, SAE Technical Paper. SAE International, 2014-01-2550

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

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 conferencePaper

10 Citations (Scopus)

Spatially resolved heat flux measurements from a HSDI engine over NEDC

Lewis, A., Brace, C., Akehurst, S., Robinson, K. & Pegg, I., 2011, Institution of Mechanical Engineers - VTMS 10, Vehicle Thermal Management Systems Conference and Exhibition. Cambridge: Woodhead Publishing Ltd., p. 119-129 11 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

3 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 conferencePaper

2 Citations (Scopus)
2 Citations (Scopus)
File
34 Citations (Scopus)
134 Downloads (Pure)

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 conferencePaper

File
30 Downloads (Pure)

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

Dimitriou, P., Burke, R., Copeland, C. D. & Akehurst, S., 17 Nov 2015, In : SAE Technical Papers. 2015

Research output: Contribution to journalConference article

4 Citations (Scopus)

Sub-23 nm particulate emissions from a highly boosted GDI engine

Leach, F., Lewis, A., Akehurst, S., Turner, J. & Richardson, D., 9 Sep 2019, In : SAE Technical Paper Series. 2019, p. 1-12 12 p.

Research output: Contribution to journalConference article

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, p. 1602-1615 13 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
Open Access
File
8 Citations (Scopus)
120 Downloads (Pure)

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 conferencePaper

Open Access
File
1 Citation (Scopus)
145 Downloads (Pure)

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 conferencePaper

The application of the superGen electromechanical centrifugal supercharger to the ultraboost extreme downsizing engine

Turner, J. W. G., Marshall, D., Patel, R., Popplewell, A., Richardson, S., Barker, L., Martin, J., Lewis, A. J. G., Akehurst, S., Brace, C. J. & Copeland, C. D., 6 Oct 2014.

Research output: Contribution to conferenceOther

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

Giles, K., Lewis, A., Akehurst, S., Chris, B. & Luard, N., 4 Jul 2013, Proceedings of the FISITA 2012 World Automotive Congress. VOL. 1 ed. p. 105-117 13 p. (Lecture Notes in Electrical Engineering; vol. 189 LNEE, no. VOL. 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

Lewis, A., Akehurst, S., Brace, C. & Giles, K., 27 Nov 2012, Proceedings of the FISITA 2012 World Automotive Congress. Berlin: Springer, Vol. 189. p. 105-117 12 p. (Lecture Notes in Electrical Engineering; vol. 189).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

The effect of divided exhaust period for improved performance in a highly downsized turbocharged gasoline engine

Hu, B., Brace, C., Akehurst, S., Copeland, C. & Turner, J. W. G., 2014, Proceedings of Institution of Mechanical Engineers - 11th International Conference on Turbochargers and Turbocharging. Cambridge, U. K.: Woodhead Publishing Ltd., p. 27-39 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

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., 15 Sep 2019, In : Fuel. 252, p. 598-611 14 p.

Research output: Contribution to journalArticle

Open Access
5 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

Open Access
File
17 Citations (Scopus)
6 Downloads (Pure)
Open Access
File
6 Citations (Scopus)
140 Downloads (Pure)

Thermal management of a low cost range extender for electric vehicles

Agarwal, A., Rodrigues, L., Liu, D., Lewis, A. G. J., Akehurst, S., Brace, C. J., Kirkpatrick, G. & Ash, L., 2016, Proceedings of the 6th Hybrid and Electric Vehicles Conference (HEVC 2016). Institution of Engineering and Technology, p. 16

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2 Citations (Scopus)
2 Citations (Scopus)

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 conferencePaper

5 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., 31 Dec 2014, In : SAE International Journal of Engines. 7, 1, p. 387-417 31 p.

Research output: Contribution to journalArticle

105 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 conferencePaper

File
44 Downloads (Pure)