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• Article

  1-D simulation study of divided exhaust period for a highly downsized turbocharged SI engine - scavenge valve optimization

  Hu, B., Akehurst, S., Brace, C., Copeland, C. & Turner, J., 1 Apr 2014, In: SAE International Journal of Engines. 7, 3, p. 1443-1452

  Research output: Contribution to journal › Article › peer-review

  • Engines
  • Exhaust gases
  • Gases
  • Turbines
  • Exhaust manifolds
  13 Citations (Scopus)

• Alcohol fuels for spark-ignition engines: Performance, efficiency and emission effects at mid to high blend rates for binary mixtures and pure components

  Turner, J., Lewis, A., Akehurst, S., Brace, C., Verhelst, S., Vancoillie, J., Sileghem, L., Leach, F. & Edwards, P. P., 1 Jan 2018, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 232, 1, p. 36-56 21 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Alcohol fuels
  • Binary mixtures
  • Alcohols
  • Internal combustion engines
  • Gasoline
  13 Citations (Scopus)

  54 Downloads (Pure)

• An empirical model for the carbon dioxide emissions of a diesel engine

  Pennycott, A., Zhang, Q., Brace, C. J., Burke, R. & Akehurst, S., Nov 2012, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 226, 11, p. 1507-1513 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Carbon dioxide
  • Diesel engines
  • Engines
  • Fuel injection
  • Model structures
  1 Citation (Scopus)

• A preliminary approach to simulating cyclic variability in a port fuel injection spark ignition engine

  Suyabodha, A., Pennycott, A. & Brace, C. J., May 2013, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 227, 5, p. 665-674 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Fuel injection
  • Internal combustion engines
  • Engines
  • Calibration
  • Vehicle performance
  5 Citations (Scopus)

  165 Downloads (Pure)

• Are electric vehicles really the best option for greener driving?

  Turner, J. & Brace, C., 4 Jan 2016, The Conversation.

  Research output: Contribution to specialist publication › Article

  Open Access

  • Electric vehicles

• A review of parallel and series turbocharging for the diesel engine

  Zhang, Q., Pennycott, A. & Brace, C. J., Dec 2013, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 227, 12, p. 1723-1733 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Diesel engines
  • Engines
  • Fuel consumption
  • Robust control
  • Transient analysis
  22 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 journal › Article › peer-review

  Open Access

  File

  • Commercial vehicles
  • Driver training
  • Fuel consumption
  • Gears
  • Managers
  53 Citations (Scopus)

  216 Downloads (Pure)

• 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 journal › Article › peer-review

  Open Access

  File

  • Gears
  • Fuel consumption
  • Dynamometers
  • Chassis
  • Calibration
  14 Citations (Scopus)

  178 Downloads (Pure)

• Dynamic modelling of diesel engine emissions using the parametric Volterra series

  Burke, R. D., Baumann, W., Akehurst, S. & Brace, C. J., 1 Feb 2014, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 228, 2, p. 164-179 16 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Diesel engines
  • Engines
  • Exhaust gas recirculation
  • Nitrogen oxides
  • Dynamometers
  12 Citations (Scopus)

  194 Downloads (Pure)

• Fuel efficiency optimization for a divided exhaust period regulated two-stage downsized spark ignition engine

  Hu, B., Akehurst, S., Brace, C., Lu, P., Copeland, C. & Turner, J. W. G., 1 May 2016, In: Journal of Engineering for Gas Turbines and Power: Transactions of the ASME. 138, 5, p. 1 - 9 9 p., 051507.

  Research output: Contribution to journal › Article › peer-review

  • Internal combustion engines
  • Scavenging
  • Brakes
  • Engines
  • Fuel consumption
  1 Citation (Scopus)

• Investigation into the trade-off between the part-load fuel efficiency and the transient response for a highly boosted downsized gasoline engine with a supercharger driven through a continuously variable transmission

  Rose, A. T. J. M., Akehurst, S. & Brace, C. J., Dec 2013, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 227, 12, p. 1674-1686 13 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Superchargers
  • Transient analysis
  • Gasoline
  • Engines
  • Calibration
  11 Citations (Scopus)

  223 Downloads (Pure)

• Novel approaches to improve the gas exchange process of downsized turbocharged spark-ignition engines: a review

  Hu, B., Akehurst, S. & Brace, C., 1 Aug 2016, In: International Journal of Engine Research. 17, 6, p. 595-618 24 p.

  Research output: Contribution to journal › Article › peer-review

  • Internal combustion engines
  • Engines
  • Gases
  • Pressurization
  • Superchargers
  20 Citations (Scopus)

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

  Vagg, C., Akehurst, S., Brace, C. & Ash, L., 31 May 2016, In: IEEE Transactions on Control Systems Technology. 24, 3, p. 853-866 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Powertrains
  • Hybrid vehicles
  • Dynamic programming
  • Dynamometers
  • Controllers
  44 Citations (Scopus)

  153 Downloads (Pure)

• Systems optimisation of an active thermal management system during engine warm-up

  Burke, R. D., Lewis, A. J., Akehurst, S., Brace, C. J., Pegg, I. & Stark, R., Oct 2012, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 226, 10, p. 1365-1379 16 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Temperature control
  • Engines
  • Fuel consumption
  • Nitrogen oxides
  • Exhaust gas recirculation
  9 Citations (Scopus)

  163 Downloads (Pure)

• The control of chassis dynamometer fuel consumption testing noise factors and the use of response modelling for validation of test repeatability

  Chappell, E., Brace, C. J. & Ritchie, C., Jun 2013, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 227, 6, p. 853-865 13 p.

  Research output: Contribution to journal › Article › peer-review

  • Dynamometers
  • Chassis
  • Fuel consumption
  • Testing
  • Diesel engines
  6 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 journal › Article › peer-review

  • Engines
  • Superchargers
  • Torque
  • Camshafts
  • Intake valves
  112 Citations (Scopus)

• Vehicle Engine Torque Estimation via Unknown Input Observer and Adaptive Parameter Estimation

  Na, J., Chen, A., Herrmann, G., Burke, R. & Brace, C., 1 Jan 2018, In: IEEE Transactions on Vehicular Technology. 67, 1, p. 409-422 14 p., 8010342.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Unknown Inputs
  • Adaptive Estimation
  • Engine
  • Torque
  • Observer
  64 Citations (Scopus)

  139 Downloads (Pure)
• Conference contribution

  Adaptive air-fuel ratio control for spark ignition engines with time-varying parameter estimation

  Chen, A. S., Na, J., Herrmann, G., Burke, R. & Brace, C., 21 Mar 2018, Proceedings of 2017 9th International Conference On Modelling, Identification and Control, ICMIC 2017. IEEE, Vol. 2018-March. p. 1074-1079 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Ignition
  • Time-varying Parameters
  • Engine
  • Internal combustion engines
  • Parameter estimation
  6 Citations (Scopus)

• Air-fuel-ratio control of engine system with unknown input observer

  Na, J., Herrmann, G., Rames, C., Burke, R. & Brace, C., 7 Nov 2016, 2016 UKACC International Conference on Control, UKACC Control 2016. IEEE, 7737647

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Unknown Inputs
  • Engine
  • Observer
  • Engines
  • Air
  6 Citations (Scopus)

• Analysis and comparison of the performance of an inverted brayton cycle and turbo-compounding with decoupled turbine and cvt driven compressor for small automotive engines

  Lu, P., Brace, C., Hu, B. & Copeland, C., 2016, Microturbines, Turbochargers and Small Turbomachines; Steam Turbines. American Society of Mechanical Engineers (ASME), 13 p. GT2016-57675. (Proceedings of the ASME Turbo Expo; vol. 8).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Brayton cycle
  • Compressors
  • Turbines
  • Engines
  • Waste heat utilization
  1 Citation (Scopus)

• A new turboexpansion concept in a twin-charged engine system

  Hu, B., Copeland, C., Brace, C., Akehurst, S., Romagnoli, A., Martinez-Botas, R. & Turner, J., 13 Oct 2014, SAE Technical Paper. SAE International, 2014-01-2596

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Engines
  • Superchargers
  • Turbines
  • Compressors
  • Temperature
  4 Citations (Scopus)

• Assessment of supercharging boosting component for heavily downsized gasoline engines

  Romagnoli, A., Wan-Salim, W. S. I., Gurunathan, B. A., Martinez-Botas, R. F., Turner, J. W. G., Luard, N., Jackson, R., Matteucci, L., Copeland, C., Akehurst, S., Lewis, A. G. J. & Brace, C. J., 1 Jan 2014, Institution of Mechanical Engineers - 11th International Conference on Turbochargers and Turbocharging. Woodhead Publishing Ltd., p. 13-26 14 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Gasoline
  • Engines
  • Superchargers
  • Powertrains
  • Air
  8 Citations (Scopus)

• Assessment of the supercharging boosting component for heavily downsized gasoline engines

  Copeland, C., Romagnoli, A., Wan-Salim, W. B., Gurunathan, B., Martinez-Botas, R., Turner, J., Luard, N., Jackson, R., Matteucci, L., Brace, C., Akehurst, S. & Lewis, A., 2014, IMECHE Turbocharger and Turbocharging Proceedings, 2014. IMechE Conference Transactions

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Gasoline
  • Engines
  • Superchargers
  • Powertrains
  • Air

• Control strategy study of the series sequential turbocharging using 1-D simulation

  Zhang, Q., Brace, C., Akehurst, S., Burke, R., Capon, G., Smith, L., Garrett, S. & Zhang, K., 2013, ASME Turbo Expo, 2013: Turbine Technical Conference and Exposition. San Antonio, U. S. A.: ASME, Vol. 5A.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Robust control
  • Diesel engines
  • Engines
  1 Citation (Scopus)

• Driving Style Analysis by Classifying Real-World Data with Support Vector Clustering

  Feng, Y., Pickering, S., Chappell, E., Iravani, P. & Brace, C., 18 Oct 2018, 2018 3rd IEEE International Conference on Intelligent Transportation Engineering, ICITE 2018. IEEE, p. 264-268 5 p. 8492700. (2018 3rd IEEE International Conference on Intelligent Transportation Engineering, ICITE 2018).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Support Vector
  • Style Analysis
  • fuel consumption
  • Driver
  • Style
  6 Citations (Scopus)

• Nonlinear Observer-Based Air-Fuel Ratio Control for Port Fuel Injected Wankel Engines

  Chen, A. S., Herrmann, G., Na, J., Turner, M., Vorraro, G. & Brace, C., 31 Oct 2018, Proceedings 12th UKACC International Conference on Control, CONTROL 2018. IEEE, p. 224-229

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Wankel engines
  • Air
  • Fuel injection
  • Engines
  • Catalytic converters
  2 Citations (Scopus)

• Numerical investigation of two-stage turbocharging systems performance

  Avola, C., Copeland, C., Burke, R. & Brace, C., 9 Oct 2016, ASME 2016 Internal Combustion Engine Fall Technical Conference, ICEF 2016. American Society of Mechanical Engineers (ASME), ICEF2016-9449

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Compressors
  • Heat transfer
  • Exhaust gases
  • Internal combustion engines
  • Air
  4 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 proceeding › Conference contribution

  • Engines
  • Turbines
  • Combustion knock
  • Scavenging
  • Pipe
  2 Citations (Scopus)

• 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 proceeding › Conference contribution

  • Cams
  • Gasoline
  • Engines
  • Torque
  • Engine cylinders

• 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 proceeding › Conference contribution

  • Gasoline
  • Engines
  • Scavenging
  • Engine cylinders
  • Gases
  4 Citations (Scopus)

• 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 proceeding › Conference contribution

  • Temperature control
  • Coolants
  • Electric vehicles
  • Engines
  • Costs
  2 Citations (Scopus)
• Digital or Visual Products

  Helping Ford create fuel efficient engines of the future

  Hawley, G. & Brace, C., 2012

  Research output: Non-textual form › Digital or Visual Products

  • Engines
  • Carbon footprint
  • Powertrains

• New hybrid van technology will reduce carbon emissions in commercial vehicles

  Brace, C., 2012

  Research output: Non-textual form › Digital or Visual Products

  • Commercial vehicles
  • Mechanical engineering
  • Hybrid systems
  • Carbon
  • Industry

• Second Generation Hybrid System Design for Reduced CO2: KTA061

  Brace, C. J., 2013

  Research output: Non-textual form › Digital or Visual Products

  • Powertrains
  • Hybrid systems
  • Carbon
  • Systems analysis
  • Costs

• Turbo Centre at the University of Bath, with Ford Jaguar LandRover and Cummins Turbo Technologies

  Brace, C., 2012

  Research output: Non-textual form › Digital or Visual Products

  • Engines
  • Mechanical engineering
  • Gas emissions
  • Greenhouse gases
  • Industry
• Other

  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 conference › Other
• Paper

  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
  • Driver training
  • Regenerative braking
  • Engines
  • Commercial vehicles
  8 Citations (Scopus)

• Analysis of a driver behaviour improvement tool to reduce fuel consumption

  Hari, D., Brace, C. J., Vagg, C., Poxon, J. & Ash, L., 2012, p. 208-213. 6 p.

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

  Open Access

  File

  • Fuel consumption
  • Gears
  • Automobiles
  • Feedback
  • Industry
  11 Citations (Scopus)

  227 Downloads (Pure)

• Analysis of Cyclic Combustion Variability in Gasoline Engines

  Chappell, E., Brace, C. & Tily, R., 6 May 2012, p. 319-333. 15 p.

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

  • gasoline engine
  • combustion
  • analysis
  • engine
  1 Citation (Scopus)

• 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
  • Electric machinery
  • Electric losses
  • Engines
  • Torque control
  2 Citations (Scopus)

• 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
  • Torque
  • Engines
  • Engine cylinders
  • Crankshafts
  2 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
  • Hybrid vehicles
  • Testing
  • Torque
  • Costs
  2 Citations (Scopus)

  298 Downloads (Pure)

• 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
  • Engines
  • Fuel economy
  • Exhaust manifolds
  • Costs
  4 Citations (Scopus)

• Dynamic Models for Diesel NOx and CO2

  Burke, R., Zhang, Q. & Brace, C., 2012.

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

  File
  51 Downloads (Pure)

• 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
  • Coolants
  • Combustion chambers
  • Engine cylinders
  • Fuel consumption

• 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)

• Explore and Extend the Effectiveness of Turbo-Compounding in a 2.0 Litres Gasoline Engine (Second Report: Fuel Economy under Part Load Condition, Transient Performance and Effect of Pressure Ratio)

  Lu, P., Brace, C. & Hu, B., 5 Apr 2016.

  Research output: Contribution to conference › Paper

• 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
  • Dynamic programming
  • Dynamometers
  • Powertrains
  • Chassis
  5 Citations (Scopus)

  168 Downloads (Pure)

• 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
  • Dynamic programming
  • Controllers
  • Dynamometers
  • Chassis

• 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