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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Proceedings ArticleDOI
The prevalence of QTc-prolongation increase by GOLD stage in COPD
TL;DR: In this population based study, the prevalence of prolonged QTc was similar among subjects with NLF and COPD, and the prevalence increased by COPD severity, among men also when adjusted for common confounders.
Journal ArticleDOI
MD1-4 In-cylinder Surface Thermometry using Laser Induced Phosphorescence : New Measurements and comparisons of Alternative Approaches(MD: Measurement and Diagnostics,General Session Papers)
Journal ArticleDOI
Two-Dimensional Gas-Phase Temperature Measurements Using Laser-Induced Phosphor
TL;DR: In this paper, a new technique based on phosphor thermometry, for measurements of two-dimensional gas-phase temperature in combustion was established as a new laser diagnostic, and the temperature calibration of Dy : YAG phosphor was taken at a surface of solid.
Low Temperature Combustion Concepts: Full Metal and Optical Engine Experiments Compared
Proceedings ArticleDOI
A Novel Model for Computing the Trapping Efficiency and Residual Gas Fraction Validated with an Innovative Technique for Measuring the Trapping Efficiency
TL;DR: In this paper, a method for calculating the residual gas fraction and the trapping efficiency in a 2-stroke HCCI engine was proposed, which is based on perfect displacement and perfect mixing scavenging models.