B
Bengt Johansson
Researcher at Umeå University
Publications - 647
Citations - 22112
Bengt Johansson is an academic researcher from Umeå University. The author has contributed to research in topics: Combustion & Homogeneous charge compression ignition. The author has an hindex of 66, co-authored 635 publications receiving 19206 citations. Previous affiliations of Bengt Johansson include Lund University & Chalmers University of Technology.
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Journal ArticleDOI
Study of spray/wall interaction in transition zones from HCCI via PPC to CI combustion modes
Hao Shi,Qinglong Tang,Yanzhao An,Vallinayagam Raman,Jaeheon Sim,Junseok Chang,Gaetano Magnotti,Bengt Johansson +7 more
TL;DR: In this paper, a full-transparent optical engine is employed to investigate the effect of fuel spray/wall interactions on combustion characteristics for transition in combustion mode from HCCI, via PPC to CI.
Proceedings ArticleDOI
Combustion Chamber Geometry Effects on the Performance of an Ethanol Fueled HCCI Engine
Journal ArticleDOI
Perceived Health Mediates Effects of Physical Activity on Quality of Life in Patients With a Fontan Circulation
Christina E. Holbein,Gruschen R. Veldtman,Philip Moons,Adrienne H. Kovacs,Koen Luyckx,Silke Apers,Shanti Chidambarathanu,Alexandra Soufi,Katrine Eriksen,Jamie L. Jackson,Junko Enomoto,Susan M. Fernandes,Bengt Johansson,Luis Alday,Mikael Dellborg,Malin Berghammer,Samuel Menahem,Maryanne Caruana,Shelby Kutty,Andrew S. Mackie,Corina Thomet,Werner Budts,Kamila S. White,Maayke A. Sluman,Edward Callus,Stephen C. Cook,Paul Khairy,Ari M. Cedars +27 more
TL;DR: Fontan patients likely benefit from regular physical activity, having both higher perceived general health and functional capacity; greater perceived health status may contribute to enhanced QOL.
Journal ArticleDOI
Relative biological effectiveness of high-energy photons (up to 50 MV) and electrons (50 MeV)
TL;DR: To investigate whether photonuclear processes might cause the difference in RBE, 50- and 20-MV X rays and 50-MeV electrons were investigated and Chinese hamster V79 cells were irradiated in a specially designed system which allows for a high reproducibility of geometry and dosimetry.
Journal ArticleDOI
Effects of fuel trapping in piston crevice on unburned hydrocarbon emissions in early-injection compression ignition engines
Qinglong Tang,Xinlei Liu,Vallinayagam Raman,Hao Shi,Junseok Chang,Hong G. Im,Bengt Johansson +6 more
TL;DR: In this article, a planar laser-induced fluorescence (PLIF) technique was applied in a single-cylinder optical engine to visualize the fuel distribution before combustion and the formaldehyde formation during combustion.