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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)

• 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 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 journal › Article › peer-review

  • Superchargers
  • Gasoline
  • Engines
  • Speed control
  • Engine cylinders
  7 Citations (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)

  164 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)

• A review of the application of variable geometry turbines to the downsized gasoline engine

  Tang, H., Pennycott, A., Akehurst, S. & Brace, C., Oct 2015, In: International Journal of Engine Research. 16, 6, p. 810-825

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

  • Gasoline
  • Turbines
  • Engines
  • Geometry
  • Exhaust manifolds
  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)

  177 Downloads (Pure)

• Don’t let the VW emissions scandal destroy your faith in the car industry

  Brace, C., 26 Nov 2015, The Conversation.

  Research output: Contribution to specialist publication › Article

  Open Access

  • Automotive industry
  • Industry

• 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)

  192 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 benefits of reduced oil flows in internal combustion engines

  Burke, R. D., Brace, C. J., Stark, R. & Pegg, I., 1 Jun 2015, In: International Journal of Engine Research. 16, 4, p. 503-517 15 p.

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

  Open Access

  File

  • Internal combustion engines
  • Oils
  • Pumps
  • Engines
  • Engine cylinders
  5 Citations (Scopus)

  263 Downloads (Pure)

• 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)

• Modelling and heuristic control of a parallel hybrid electric vehicle

  Enang, W., Bannister, C., Brace, C. & Vagg, C., 1 Sep 2015, In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 229, 11, p. 1494-1513 20 p.

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

  Open Access

  File

  • Hybrid vehicles
  • Braking
  • Fuel consumption
  • Powertrains
  • Electric motors
  18 Citations (Scopus)

  237 Downloads (Pure)

• Novel approaches to improve the gas exchange process of downsized turbocharged SI engines – A review

  Hu, B., Akehurst, S. & Brace, C., 2015, In: International Journal of Engine Research. p. 1 - 24 24 p.

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

  Open Access

  File

  • Pressurization
  • Engines
  • Gases
  • Air
  20 Citations (Scopus)

  99 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)

• 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 journal › Article › peer-review

  • Superchargers
  • Engines
  • Fuel economy
  • Crankshafts
  • Transient analysis
  11 Citations (Scopus)

• 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)

  159 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)

• The potential of catalysed exhaust gas recirculation to improve high-load operation in spark ignition engines

  Parsons, D., Akehurst, S. & Brace, C., Jun 2015, In: International Journal of Engine Research. 16, 4, p. 592-605

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

  Open Access

  File

  • Exhaust gas recirculation
  • Internal combustion engines
  • Gases
  • Combustion knock
  • Catalysis
  7 Citations (Scopus)

  171 Downloads (Pure)

• 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)
• Conference contribution

  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

• A throttle loss recovery concept using an expander for a 2.0 litre turbocharged gasoline engine

  Lu, P., Hu, B. & Brace, C., 2015, ASME Turbo Expo 2015: Turbine Technical Conference and Exposition: Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines. American Society of Mechanical Engineers (ASME)

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

  • Gasoline
  • Recovery
  • Engines
  • Brakes
  • Pressure drop

• 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)

• Explore and Extend the Effectiveness of Turbo-compounding in a 2.0 litres Gasoline Engine

  Lu, P., Brace, C. & Hu, B., 14 Apr 2015, SAE Technical Papers. April ed. SAE International, Vol. 2015-April.

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

  • Gasoline
  • Engines
  • Turbines
  • Superchargers
  • Air intakes
  2 Citations (Scopus)

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

  Hu, B., Akehurst, S., Brace, C., Lu, P., Copeland, C. D. & Turner, J. W. G., Jun 2015, Microturbines, Turbochargers and Small Turbomachines; Steam Turbines. U. S. A.: American Society of Mechanical Engineers (ASME), Vol. 8. p. V008T23A012 10 p.

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

  • Scavenging
  • Engines
  • Intake valves
  • Gases
  • Electric sparks

• 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)

• 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 proceeding › Conference contribution

  • Nitrogen oxides
  • Diesel engines
  • Neural networks
  • Engines
  • Calibration
  3 Citations (Scopus)

• 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 proceeding › Conference contribution

  • Compressors
  • Turbines
  • Engines
  • Powertrains
  • Internal combustion engines
  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

  Adaptive Input and Parameter Estimation with Application to Engine Torque Estimation

  Na, J., Herrmann, G., Burke, R. & Brace, C., 15 Dec 2015.

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

  Open Access

  File
  15 Citations (Scopus)

  130 Downloads (Pure)

• 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)

  226 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)