Publications

Experimental study on the effects of spray-wall interaction on partially premixed combustion (PPC) and engine emissions

Year: 2019 DOI:10.1021/acs.energyfuels.9b00602

Authors: Q. Tang, Y. An, V. Raman, H. Shi, J. Sim, J. Chang, G. Magnotti, B. Johansson

PLIF
Fuel-trapping effect
Piston top-land crevice

Ozone-assisted combustion of hydrogen: A comparison with isooctane

Year: 2019 DOI:10.1016/j.ijhydene.2019.03.175

Authors: N. Seignour, J. Masurier, B. Johansson, G. Dayma, P. Dagau, F. Foucher

HCCI combustion
Hydrogen
Isooctane
Ozone

Combustion stratification and dynamic flame tracing analysis of partially premixed combustion in a compression ignition engine fueled with low-octane fuel

Year: 2019 DOI:10.4271/2019-01-1151

Authors: Y. An, H. Shi, R. Vallinayagam, J. Sim, J. Chang, B. Johansson

Combustion and combustion processe
Fuel injection

The physical and chemical effects of fuel on gasoline compression ignition

Year: 2019 DOI:10.4271/2019-01-1150

Authors: R. Vallinayagam, P. Hlaing, A. AlRamadan, Y. An, J. Sim, J. Chang, B. Johansson

Nitrogen oxides
Carbon monoxide
Combustion and combustion processes
Gasoline
HCCI engines
Particulate matter (PM)
Hydrocarbons

Variable compression ratio (VCR) piston-design study

Year: 2019 DOI:10.4271/2019-01-0243

Authors: H. Shi, S.A. Mudraa, B. Johansson

Engine cylinders
Pistons
Lubricating oils
Fuel economy
Combustion and combustion processes

Should we walk or take a car for minimum greenhouse gas emissions?

Year: 2019 DOI:10.4271/2019-01-0996

Authors: R. Babayev, B. Johansson

Greenhouse gas emissions
Hybrid electric vehicles
Carbon dioxide
Emissions
Combustion and combustion processes

HCCI octane number scale in a pressure-temperature diagram

Year: 2019 DOI:10.4271/2019-01-0965

Authors: J.B. Masurier, A. Elkhazraji, A. Mohammed, B. Johansson

Combustion and combustion processes
HCCI engines
Starters and starting
Research and development

Novel geometry reaching high efficiency for multiple injector concepts

Year: 2019 DOI:10.4271/2019-01-0246

Authors: G. Nyrenstedt, H.G. Im, A. Andersson, B. Johansson

Engine efficiency
Heat transfer
Pistons

Investigation on a high-stratified direct injection spark ignition (DISI) engine fueled with methanol under a high compression ratio

Year: 2019 DOI:10.1016/j.applthermaleng.2018.11.065

Authors: Y. Li, X.S. Bai, M. Tunér, H.G. Im, B. Johansson

Direct injection spark ignition
Highly stratified methanol fuel
High compression ratio
Spray/bowl interaction
Flame propagation
Engine performance

CFD study of heat transfer reduction using multiple injectors in a DCEE concept

Year: 2019 DOI:10.4271/2019-01-0070

Authors: G. Nyrenstedt, T. Alturkestani, H.G. Im, B. Johansson

Heat transfer
Computer simulation
Fuel injection
Engine cylinders
Computational fluid dynamics
Thermodynamics

Combustion-based transportation in a carbon-constrained world—a review

Year: 2019 DOI:10.1007/978-981-13-3281-4_2

Authors: T. Javed, A. Ahmed, V. Raman, A.B.S. Alquaity, B. Johansson

Transport
Climate change
Fuel economy
CO2
Regulations
ZEV
Aviation
Marine
LCA

Combustion stratification study of partially premixed combustion using Fourier transform analysis of OH* chemiluminescence images

Year: 2017 DOI:10.1177/1468087417740270

Authors: M.I. Najafabadi, B. Somers, B. Johansson, N. Dam

Combustion stratification
Partially Premixed Combustion
OH* chemiluminescence
internal combustion engine
Fourier transform

Combustion behavior of n-heptane, isooctane, toluene and blends under HCCI conditions in the pressure-temperature diagram

Year: 2018 DOI:10.4271/2018-01-1684

Authors: J.B. Masurier, O. Altoaimi, A. Mohammed, M. Waqas, B. Johansson

Combustion and combustion processes
HCCI engines
Research and development
Pressure
Starters and starting

Investigation of premixed and diffusion flames in PPC and CI combustion modes

Year: 2018 DOI:10.4271/2018-01-0899

Authors: Y. An, M.J.M. Ali, R. Vallinayagam, S. Vedharaj, F. H. Perez, J. Sim, J. Chang, H. G. Im, B. Johansson

Combustion and combustion processes
Gases
Computational fluid dynamics

Compression ignition of low octane gasoline under partially premixed combustion mode

Year: 2018 DOI:10.4271/2018-01-1797

Authors: Y. An, M.J. M. Ali, R. Vallinayagam, A. AlRamadan, J. Sim, B. Johansson

Combustion and combustion processes
HCCI engines
Computational fluid dynamics
Pistons
CAD, CAM, and CAE
Gasoline
Technical review, Optics, Chemicals

Blending octane number of ethanol on a volume and molar basis in SI and HCCI combustion modes

Year: 2017 DOI:10.4271/2017-01-2256

Authors: M.U. Waqas, K. Morganti, J.B. Masurier, B. Johansson

Ethanol
Combustion and combustion processes
HCCI engines
Spark ignition engines
Hydrocarbons

Simulating HCCI blending octane number of primary reference fuel with ethanol

Year: 2017 DOI:10.4271/2017-01-0734

Authors: E. Singh, M. Waqas, B. Johansson, S. M. Sarathy

Ethanol
HCCI engines
Combustion and combustion processes

Numerical simulation of combustion and soot under partially premixed combustion of low-octane gasoline

Year: 2018 ISSN:DOI: 10.1016/j.fuel.2017.09.064

Authors: Y. An, M. Jaasim, R. Vallinayagam, S. Vedharaj, H. G. Im, B. Johansson

Combustion simulation
Low Octane Gasoline
Partial premixed combustion
Soot particle
Polycyclic aromatic hydrocarbons

Homogeneous charge compression ignition (HCCI) and partially premixed combustion (PPC) in compression ignition engine with low octane gasoline

Year: 2018 ISSN:DOI: 10.1016/j.energy.2018.06.057

Authors: Y. An, M. Jaasim, V. Raman, F. E.H. Pérez, J. Sim, J. Chang, H. G. Im, B. Johansson

Low Octane Gasoline
HCCI
PPC
Flame index
Premixed combustion

Combustion stability study of partially premixed combustion with low-octane fuel at low engine load conditions

Year: 2018 ISSN:DOI: 10.1016/j.apenergy.2018.10.086

Authors: Y. An, V. Raman, Q. Tang, H. Shi, J. Sim, J. Chang, G. Magnotti, B. Johansson

PPC
Combustion stability
Low octane fuel
Fuel-tracer
PLIF
High-speed imaging
Spray/wall interaction

GTLine – Gasoline as a potential CN suppressant for GTL

Year: 2018 ISSN:DOI: 10.1016/j.fuel.2018.02.111

Authors: J. Reijnders, M. Boot, B. Johansson, P. D. Goeya

Gas to liquid (GTL)
Gasoline
Cetane number
Aromaticity
Efficiency
Emissions
Partially premixed combustion (PPC)

Autoignition of isooctane beyond RON and MON conditions

Year: 2018 ISSN:DOI: 10.4271/2018-01-1254

Authors: J. B. Masurier, M. Waqas, S. M. Sarathy, B. Johansson

CFR engine
RON and MON traces

In-cylinder combustion and soot evolution in the transition from conventional CI mode to PPC

Year: 2018 ISSN:DOI: 10.1021/acs.energyfuels.7b02535

Authors: Y.An, M.J.M. Ali, V. Raman, H.G. Im, B. Johansson

Low Octane Gasoline
Partially Premixed Combustion
Soot Particles

Low load limit extension for gasoline compression ignition using negative valve overlap strategy

Year: 2018 ISSN:DOI: 10.4271/2018-01-0896

Authors: R. Vallinayagam, A. AlRamadan, S. Vedharaj, Y. An, J. Sim, J. Chang, B. Johansson

Gasoline compression ignition
Nitrogen oxide

Double compression expansion engine: A parametric study on a high-efficiency engine concept

Year: 2018 ISSN:DOI: 10.4271/2018-01-0890

Authors: V.S.B. Shankar, B. Johansson, A. Andersson

Double compression expansion engine
Brake thermal efficiencies
GT Power simulations

Naphtha vs. dieseline – The effect of fuel properties on combustion homogeneity in transition from CI combustion towards HCCI

Year: 2018 ISSN:DOI: 10.1016/j.fuel.2018.03.123

Authors: R. Vallinayagam, Y. An, S. Vedharaj, J. Sim, J. Chang, B. Johansson

Naphtha
Dieseline
Combustion homogeneity
Diesel engine and stratification

Blending octane number of toluene with gasoline-like and PRF fuels in HCCI combustion mode

Year: 2018 ISSN:DOI: 10.4271/2018-01-1246

Authors: M.U. Waqas, J B. Masurier, S.M. Sarathy, B. Johansson

Octane-on-Demand
High-octane fuel
Low octane fuel

In-cylinder visualization and engine out emissions from CI to PPC for fuels with different properties

Year: 2018 ISSN:DOI: 10.1299/jmsesdm.2017.9.c310

Authors: Y. An, R. Vallinayagam, S. Vedharaj, J. B. Masurier, M. I. Najafabadi, B. Somers, B. Johansson

PPC
Optical CI engine
Visualization
Emissions
Fuel Property

Fuel effect on combustion stratification in partially premixed combustion

Year: 2017 ISSN:DOI: 10.4271/2017-24-0089

Authors: S. Vedharaj, R. Vallinayagam, Y. An, A. Dawood, M. I. Najafabadi, B. Somers, J. Chang, B. Johansson

Carbon monoxide
Exhaust emissions
Fuel injection
Combustion and combustion processes
Particulate matter (PM)
Exhaust gas recirculation (EGR)
Pressure

Combustion homogeneity and emission analysis during the transition from CI to HCCI for FACE I gasoline

Year: 2017 ISSN:DOI: 10.4271/2017-01-2263

Authors: S. Vedharaj, R. Vallinayagam, Y. An, M. I. Najafabadi, B. Somers, J. Chang, B. Johansson

Carbon monoxide
Emissions measurement
Combustion and combustion processes
HCCI engines

Effect of aromatics on combustion stratification and particulate emissions from low octane gasoline fuels in PPC and HCCI mode

Year: 2017 ISSN:DOI: 10.4271/2017-24-0086

Authors: Y. An, S. Vedharaj, R. Vallinayagam, A. Dawood, J. B. Masurier, M. I. Najafabadi, B. Somers, J. Chang, B. Johansson

Particulate matter (PM)
Combustion and combustion processes
Fuel injection
HCCI engines
Pressure

Analysis of transition from HCCI to CI via PPC with low octane gasoline fuels using optical diagnostics and soot particle analysis

Year: 2017 ISSN:DOI: 10.4271/2017-01-2403

Authors: Y. An, R. Vallinayagam, S. Vedharaj, J. B. Masurier, A. Dawood, M. I. Najafabadi, B. Somers, B. Johansson

Particulate matter (PM)
Carbon monoxide
Nitrogen oxides
Combustion and combustion processes
HCCI engines
Emissions
Imaging and visualization
Optics
Switches

Compression ignition of light naphtha and its multicomponent surrogate under partially premixed conditions

Year: 2017 ISSN:DOI: 10.4271/2017-24-0078

Authors: R. Vallinayagam, S. Vedharaj, Y. An, A. Dawood, M. I. Najafabadi, B. Somers, J. Chang, S. M. Sarathy, B. Johansson

Diesel / compression ignition engines
Carbon monoxide
Combustion and combustion processes
HCCI engines

Blending behavior of ethanol with PRF 84 and FACE A gasoline in HCCI combustion Mmode

Year: 2017 ISSN:DOI: 10.4271/2017-24-0082

Authors: M.U. Waqas, N. Atef, E. Singh, J.B. Masurier, S.M. Sarathy, B. Johansson

FACE fuels
Ethanol blending
HCCI
Low temperature heat release

Optimum Heat Release Rates for a Double Compression Expansion (DCEE) Engine

Year: 2017 ISSN:DOI:10.4271/2017-01-0636

Authors: V. Shankar, N. Lam, A. Andersson, B. Johansson

Heat Release
Double Compression Expansion (DCEE) Engine
Exhaust gas recirculation
Combustion and combustion processes

Effects of Injection Timing on Fluid Flow Characteristics of Partially Premixed Combustion Based on High-speed Particle Image Velocimetry

Year: 2017 ISSN:DOI:10.4271/2017-01-0744

Authors: M. Najafabadi, H. Wang, B. Johansson, N. Dam

Fuel injection
Combustion and combustion processes

Combustion Stratification for Naphtha from CI Combustion to PPC

Year: 2017 ISSN:DOI:10.4271/2017-01-0745

Authors: R. Vallinayagam, S. Vedharaj, Y. An, A. Dawood, M. Najafabadi, B. Somers, B.H. Johansson

Naphtha
Stratification
Combustion homogeneity
PPC
Optical CI engine

Gasoline compression ignition approach to efficient, clean and affordable future engines

Year: 2017 ISSN:DOI:10.1177/0954407017694275

Authors: G. Kalghatgi, B. Johansson

Gasoline compression
Transport fuels
Petroleum-based fuels

Computational study of stratified combustion in optical diesel engine

Year: 2017 ISSN:DOI:10.4271/2017-01-0573

Authors: M. Jaasim, F.E. Hernández Pérez, S. Vedharaj, R. Vallinayagam, B. Johansson, H.G. Im

Simulation and modeling
Optics
Diesel / compression ignition engines
Combustion and combustion processes

Publications

Contact Us

Quick links