![]() Modifications to the engine model included a higher compression ratio and combustion adapted to hydrogen, but most importantly, a new turbocharging system. The starting point for our study was an existing 4.4-litre eight-cylinder gasoline engine – or rather, its digital data set, since we conducted the entire study virtually using engine performance simulations.” At the same time, we also had the objective of achieving low fuel consumption and keeping emissions at the same level as ambient air. “We have therefore developed a hydrogen combustion engine that aims to match the power and torque of current high-performance gasoline engines as a concept study. “For the passenger car sector, this is insufficient,” says Vincenzo Bevilacqua, Senior Expert Engine Simulation at Porsche Engineering. Work is currently proceeding on hydrogen engines worldwide, however this is predominantly being done for commercial vehicles with a relatively low specific output of around 50 kW per litre of displacement. ![]() High-performance hydrogen engine for passenger cars Hydrogen represents a potential alternative to conventional fuels or synthetic fuels (e-fuels) for use in combustion engines This was examined as part of a study on the subject by Porsche Engineering. Different powertrain solutions, including hybrid systems, electric drives and efficient combustion engines are currently all being developed in parallel for use in future vehicles. ![]()
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