1–20 of 103 hits
|

    Effects of Geometry on Passive Pre-Chamber Combustion Characteristics

    Johansson, Bengt / Cenker, Emre / Im, Hong G. et al. | SAE Technical Papers | 2020
    Towards a fundamental understanding of the ignition characteristics of pre-chamber (PC) combustion engines, computational fluid dynamics ...
    Publisher: Society of Automotive Engineers , SAE International

    Scalability Aspects of Pre-Chamber Ignition in Heavy Duty Natural Gas Engines

    Shah, Ashish / Johansson, Bengt / Tunestal, Per | SAE Technical Papers | 2016
    This article presents a study related to application of pre-chamber ignition system in heavy duty natural gas engine which, as previously ...
    Publisher: Society of Automotive Engineers , SAE International

    Effect of Pre-Chamber Enrichment on Lean Burn Pre-Chamber Spark Ignition Combustion Concept with a Narrow-Throat Geometry

    Johansson, Bengt / Cenker, Emre / Singh, Eshan et al. | SAE Technical Papers | 2020
    Pre-chamber spark ignition (PCSI) combustion is an emerging lean-burn combustion mode capable of extending the lean operation limit of an ...
    Publisher: Society of Automotive Engineers , SAE International

    Auto-Ignition of Iso-Stoichiometric Blends of Gasoline-Ethanol-Methanol (GEM) in SI, HCCI and CI Combustion Modes

    Johansson, Bengt / Nyrenstedt, Gustav / Feijs, Jeroen et al. | SAE Technical Papers | 2017
    binary gasoline-ethanol blends (E2, E5, E10 and E15 in % vol.), were defined to investigate the effect of methanol and combined mixtures of ...
    Publisher: Society of Automotive Engineers , SAE International

    Validation of Computational Models for Isobaric Combustion Engines

    Johansson, Bengt / Aljabri, Hammam H. / Im, Hong G. et al. | SAE Technical Papers | 2020
    The focus of this study is to aid the development of the isobaric combustion engine by investigating multiple injection strategies at ...
    Publisher: Society of Automotive Engineers , SAE International

    Closed-Loop Control of an HCCI Engine

    Johansson, Bengt / Olsson, Jan-Ola / Tunestål, Per | SAE Technical Papers | 2001
    This paper presents a strategy for closed-loop control of a multi cylinder turbo charged Homogeneous Charge Compression Ignition (HCCI ...
    Publisher: Society of Automotive Engineers , SAE International

    Simulating HCCI Blending Octane Number of Primary Reference Fuel with Ethanol

    Johansson, Bengt / Singh, Eshan / Sarathy, Mani et al. | SAE Technical Papers | 2017
    The blending of ethanol with primary reference fuel (PRF) mixtures comprising n-heptane and iso-octane is known to exhibit a non-linear ...
    Publisher: Society of Automotive Engineers , SAE International

    Effect of Pre-Chamber Volume and Nozzle Diameter on Pre-Chamber Ignition in Heavy Duty Natural Gas Engines

    Shah, Ashish / Johansson, Bengt / Tunestal, Per | SAE Technical Papers | 2015
    strategy is a very effective means of extending the lean limit of combustion with excess air in heavy duty natural gas engines in order to improve ...
    Publisher: Society of Automotive Engineers , SAE International

    Ignition Sensitivity Study of Partially Premixed Combustion by Using Shadowgraphy and OH* Chemiluminescence Methods

    Somers, Bart / Johansson, Bengt / Izadi Najafabadi, Mohammad et al. | SAE Technical Papers | 2016
    Partially Premixed Combustion (PPC) is a promising combustion concept for future IC engines. However, controllability of PPC is still a ...
    Publisher: Society of Automotive Engineers , SAE International

    A Numerical Study on the Ignition of Lean CH4/Air Mixture by a Pre-Chamber-Initiated Turbulent Jet

    Johansson, Bengt / Cenker, Emre / Im, Hong G. et al. | SAE Technical Papers | 2020
    To provide insights into the fundamental characteristics of pre-chamber combustion engines, the ignition of lean premixed CH4/air due to ...
    Publisher: Society of Automotive Engineers , SAE International

    Computational Study of Stratified Combustion in an Optical Diesel Engine

    Johansson, Bengt / Hernandez Perez, Francisco / Im, Hong et al. | SAE Technical Papers | 2017
    Full cycle simulations of KAUST optical diesel engine were conducted in order to provide insights into the details of fuel spray, mixing ...
    Publisher: Society of Automotive Engineers , SAE International

    Effects of Ethanol and Different Type of Gasoline Fuels on Partially Premixed Combustion from Low to High Load

    Johansson, Bengt / Tunestal, Per / Manente, Vittorio et al. | SAE Technical Papers | 2010
    The behavior of Ethanol and seven fuels in the boiling point range of gasoline but with an Octane Number spanning from 69 to 99 was ...
    Publisher: Society of Automotive Engineers , SAE International

    Optical Study on the Fuel Spray Characteristics of the Four-Consecutive-Injections Strategy Used in High-Pressure Isobaric Combustion

    Al Ramadan, Abdullah / Johansson, Bengt / Magnotti, Gaetano et al. | SAE Technical Papers | 2020
    single injector can achieve isobaric combustion. Improved understanding of the detailed fuel-air mixing with multiple consecutive injections is ...
    Publisher: Society of Automotive Engineers , SAE International

    Potential Levels of Soot, NOx, HC and CO for Methanol Combustion

    Johansson, Bengt / Perlman, Cathleen / Li, Changle et al. | SAE Technical Papers | 2016
    Methanol is today considered a viable green fuel for combustion engines because of its low soot emissions and the possibility of it being ...
    Publisher: Society of Automotive Engineers , SAE International

    Effect of Relative Mixture Strength on Performance of Divided Chamber ‘Avalanche Activated Combustion’ Ignition Technique in a Heavy Duty Natural Gas Engine

    Shah, Ashish / Johansson, Bengt / Tunestal, Per | SAE Technical Papers | 2014
    . This strategy was first proposed in 1966 and has been mostly applied in light duty automotive engines. A majority of published data are results ...
    Publisher: Society of Automotive Engineers , SAE International

    The Physical and Chemical Effects of Fuel on Gasoline Compression Ignition

    AlRamadan, Abdullah S. / Johansson, Bengt / Sim, Jaeheon et al. | SAE Technical Papers | 2019
    In the engine community, gasoline compression ignition (GCI) engines are at the forefront of research and efforts are being taken to ...
    Publisher: Society of Automotive Engineers , SAE International

    Evaluation of Anti-Knock Quality of Dicyclopentadiene-Gasoline Blends

    Johansson, Bengt / Sarathy, Mani / Al-Khodaier, Mohannad et al. | SAE Technical Papers | 2017
    Increasing the anti-knock quality of gasoline fuels can enable higher efficiency in spark ignition engines. In this study, the blending ...
    Publisher: Society of Automotive Engineers , SAE International

    Sensitivity Analysis of Partially Premixed Combustion (PPC) for Control Purposes

    Johansson, Bengt / Ingesson, Gabriel / Yin, Lianhao et al. | SAE Technical Papers | 2015
    Partially Premixed Combustion (PPC) is a promising advanced combustion mode for future engines. In order to investigate the sensitivity of ...
    Publisher: Society of Automotive Engineers , SAE International

    Pressure Sensitivity of HCCI Auto-Ignition Temperature for Gasoline Surrogate Fuels

    Johansson, Bengt / Truedsson, Ida / Tuner, Martin et al. | SAE Technical Papers | 2013
    An index to relate fuel properties to HCCI auto-ignition would be valuable to predict the performance of fuels in HCCI engines from their ...
    Publisher: Society of Automotive Engineers , SAE International

    Optical Diagnostics of Isooctane and n-Heptane Isobaric Combustion

    Al Ramadan, Abdullah S. / Johansson, Bengt / Nyrenstedt, Gustav et al. | SAE Technical Papers | 2020
    Engine (DCEE) concept. It appears as one of few viable choices for applications with high-pressure combustion. At these conditions, releasing ...
    Publisher: Society of Automotive Engineers , SAE International