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About Bengt
Bengt Håkan Johansson is Professor in the Section of Thermal Energy, Department of Civil and Mechanical Engineering at the Technical University of Denmark (DTU). Known as Professor in combustion engines, he focuses on sustainable internal combustion engines to accelerate the transformation to a sustainable transport system through advanced electrofuels and biofuels. His research optimizes engine performance to improve fuel efficiency and reduce harmful exhaust emissions, including demonstrations of extremely efficient engines and below-zero emissions. Johansson heads efforts at the Combustion Engine Lab within DTU Construct, investigating renewable fuels such as hydrogen, ammonia, and methanol. The lab applies computational modeling to analyze thermodynamics, combustion processes, emission formation, fluid flow, heat transfer, and their interactions in engines.
Prior to his appointment at DTU, where he presented his inaugural lecture on September 5, 2025, Johansson held the position of Professor in Energy Sciences at Lund University from 2001 to 2015 and worked at Volvo Cars from 2023 to 2024. A pioneer in Homogeneous Charge Compression Ignition (HCCI) technology, his influential publications include 'IJER editorial: The future of the internal combustion engine' (2020), 'Demonstrating the multi fuel capability of a homogeneous charge compression ignition engine with variable compression ratio' (1999), 'HCCI Control' (2007), 'Supercharged homogeneous charge compression ignition' (1998), and 'Homogeneous charge compression ignition (HCCI) using isooctane, ethanol and natural gas: a comparison with spark-ignition operation' (1997). With 369 publications, over 23,000 citations, and an h-index of 80, Johansson ranks among the top scientists in engineering and technology. His recent work examines hydrogen and natural gas in high-pressure direct-injection compression-ignition engines, evaluating combustion characteristics, thermal efficiency, and pollutant emissions.
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