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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

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V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. These will include simulation using a GT-Power model and engine dynamometer testing which was carried out at the University of Bath Powertrain and Vehicle Research Centre (PVRC). Click to enlarge.

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Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

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Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. Their paper is published in the journal Fuel. 2017.11.006.

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Testing confirms Torotrak V-Charge variable drive mechanical supercharger enables more ambitious downsizing; 1.0L demo at Aachen

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Independent on-engine test results have verified the simulation predictions that a Torotrak V-Charge variable drive mechanical supercharger enables more ambitious levels of engine downsizing. The tests were carried out by the University of Bath Powertrain and Vehicle Research Centre (PVRC), using a Ford 1.0L Compared to a current 1.5L

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Penn State team investigates battery requirements for eVTOL applications vs EVs

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In a paper in the journal Joule , a team from Penn State University has analyzed the primary performance metrics required for eVTOL batteries compared with electric vehicle (EV) batteries. EVTOL requirements on battery specific power and energy.

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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Purdue University will work with the team on variable valve train options for warm up and HC control, all leading to the final T2B2 demonstration on a complete, street worthy, driveable vehicle.

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McMaster team reviews progress on hybrid-specific engine technologies

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A team from McMaster University in Canada has published a comprehensive review of recent progress in low-temperature combustion (LTC), alternative fuels (AF), over-expansion Atkinson cycle, and waste heat recovery (WHR) techniques as applied to hybrid-specific engines. Their open-access paper is published in the journal Energy Reports.

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Volkswagen Emphasizes Downsizing at 30th Vienna Engine Symposium; Highlights 1.2 TSI and 1.6 TDI

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Continuing to emphasize a downsizing approach, Volkswagen presented two new engines at the at the 30 th Vienna Engine Symposium (7-8 May): the 1.2-liter Downsizing is rigorously being developed in the volume segments with the 1.2 Click to enlarge. liter TSI gasoline engine and the 1.6-liter liter TDI diesel. Earlier post.).