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SuperGen - A Novel Low Costs Electro-Mechanical Mild Hybrid and Boosting System for Engine Efficiency Enhancements
Technical Paper
2016-01-0682
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
SuperGen is a Belt Integrated Starter Generator (B-ISG) combined with a novel electro-mechanical power split transmission system providing variable speed centrifugal supercharger capability, all in one compact package. This paper initially discusses the analysis of SuperGen application to a gasoline SUV in order to examine the BISG power and voltage mild hybrid functionality trade-off versus fuel consumption reduction on drive cycle. A significant engine down speeding was also applied based on the low speed torque enhancement afforded by SuperGen boosting capability, both transiently, and sustainably at steady state engine operation. This has been demonstrated and reported on the well-published Jaguar Land Rover (JLR) Ultraboost project. Finally, the part load “boost-ondemand” was used to evaluate advanced combustion modes not easily achievable with conventional turbocharger technology, namely; aggressive Miller cycle with early inlet valve closing; EGR diluted stoichiometric homogenous operation and un-throttled lean stratified combustion.
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King, J., Barker, L., Turner, J., and Martin, J., "SuperGen - A Novel Low Costs Electro-Mechanical Mild Hybrid and Boosting System for Engine Efficiency Enhancements," SAE Technical Paper 2016-01-0682, 2016, https://doi.org/10.4271/2016-01-0682.Also In
References
- Turner , J. , Popplewell , A. , Patel , R. , Johnson , T. et al. Ultra Boost for Economy: Extending the Limits of Extreme Engine Downsizing SAE Int. J. Engines 7 1 387 417 2014 10.4271/2014-01-1185
- McAllister , M.J. and Buckley D.J. Future gasoline engine downsizing technologies - CO2 improvements and engine design considerations 19 26 Institution of Mechanical Engineers Internal Combustion Engines Conference London, UK 8th - 9th December, 2009
- Turner , J. , Popplewell , A. , Marshall , D. , Johnson , T. et al. SuperGen on Ultraboost: Variable-Speed Centrifugal Supercharging as an Enabling Technology for Extreme Engine Downsizing SAE Int. J. Engines 8 4 1602 1615 2015 10.4271/2015-01-1282
- King , J. , Martin , J. , Barker , L. and Turner , J. W. G. SuperGen - A Novel Low Costs Electro-Mechanical Mild Hybrid and Boosting System for Engine Efficiency Enhancements IAV 2nd Conference on Engine Processes July 2nd - 3rd, 2015 Berlin