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Reference Number EP/F058942/1
Title A Fundamental Study of the Novel Poppet Valve 2-Stroke Auto-ignition Combustion Engine (2-ACE)
Status Completed
Energy Categories ENERGY EFFICIENCY(Transport) 50%;
NOT ENERGY RELATED 50%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100%
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Professor H Zhao
No email address given
Sch of Engineering and Design
Brunel University
Award Type Standard
Funding Source EPSRC
Start Date 31 October 2008
End Date 30 April 2012
Duration 42 months
Total Grant Value £495,401
Industrial Sectors Energy; Transport Systems and Vehicles
Region London
Programme Energy : Engineering
 
Investigators Principal Investigator Professor H Zhao , Sch of Engineering and Design, Brunel University (99.998%)
  Other Investigator Dr T (Tom ) Ma , Sch of Engineering and Design, Brunel University (0.001%)
Dr LC Ganippa , Sch of Engineering and Design, Brunel University (0.001%)
  Industrial Collaborator Project Contact , Ricardo Consulting Engineers Ltd (0.000%)
Project Contact , Innospec Inc (0.000%)
Web Site
Objectives This is one of a linked series of grants – EP/F058276/1, EP/F058837/1, EP/F058942/1, EP/F05825X/1
Abstract Over recent years the need to reduce both fuel consumption and emissions of carbon dioxide has become an increasing preoccupation, as well as ever stringent emission legislation. Intensive research performed by the automotive industry and academia is in progress, centred on ways to reduce exhaust emissions from IC engines on the one hand, and fuel efficient vehicles on the other. Fast progress in meeting future emission and fuel economy regulations has been hampered by the commonly acceptedtrade-offs between reduction in exhaust emissions and improvements in fuel economy, as well as by the customers demand for better torque output and driveability.A novel poppet valve 2-stroke controlled auto-ignition combustion engine has been proposed by Brunel and Brighton Universities. The purposeof this proposal is to penetrate and understand the key in-cylinder phenomena and processes involved in the newly proposed poppet valve 2-stroke auto-ignition combustion engine. This will enablethe assessment of its potential for leapfrog improvements in performance, fuel economy, and exhaust emissions, as compared to current gasoline engines. Such a programme demands leading-edge expertise in engine technology, computational fluid dynamics, autoignition chemical kinetics, chemically selective in-cylinder diagnostics, and industrial practice.The proposed programme involves four universities supported by relevant industrial companies, taking a multi-disciplinary approach to the studyof the underlying processes and technologies for the next generation of gasoline engines. It is the firsttime that a novel and detailed methodology has been proposed to achieve significantly extended and better controlled auto-ignition combustion operation in the current poppet valved engine without the pitfalls of the traditional crankcase scavenged ported two-stroke engines. The single cylinder poppet valve 2-stroke camless engine offers the ideal research tool to experiment with the proposed methodology. In addition, new and novel experimental techniques, such as the high-speed in-cylinder residual gas mapping and in-cylinder temperature imaging, are to be developed and applied to obtain the much-needed better understanding of underlying physical and chemical processes involved in the new combustion engine. This is complemented by the development and application of sophisticated chemistryCFD engine simulation with the state-of-the-art autoignition combustion prediction capability and refined fuel spray and evaporation models. Such a systematic and comprehensive programme of exploration and research on CAI combustion for achieving superior 2-stroke part-load fuel economy and emissions is imperative for the future development of a new frontier gasoline engine with leapfrog improvements in performance, fuel economy, and exhaust emissions
Publications (none)
Final Report (none)
Added to Database 12/03/08