Most of the current fuel supply specifications, including the key parameters in the fuel control strategies, are experimentally determined. Since the complexity of fuel flow behavior inside the intake manifold is still not quantitatively understood the objective of this study is to evaluate the performance characteristics of Multi Point Fuel Injected (MPFI) SI engine using computer simulation. This paper describes a complete model of the intake port, taking into account physical evaluation of three phases in a bi-dimensional geometry. Back flow of hot burned gases, droplet trajectories, droplet evaporation and airflow has been developed to gain a better understanding of the fuel flow behavior within the intake manifold, which may help to determine the fuel supply specifications in a Multi Point Injection system. A mathematical model is developed to synthesis a pressure diagram from the engine geometry and the air fuel mixture strength. A program code to evaluate the performance characteristics of the Multi Point Fuel Injected engine is developed. This code predicts the heat release, pressure, power, torque and efficiency developed inside the combustion chamber for various operating parameters. The program for this model consists of two main programs, which are written, in C language. The results obtained from the simulation conform to the existing trend.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Computer Simulation of Combustion Characteristics of MPFI Engine


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Mobility Engineering Congress & Exposition 2005 - SAE India Technology for Emerging Markets ; 2005



    Publication date :

    2005-10-23




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Intake System Design Approach for Turbocharged MPFI SI Engine

    Vinayak, Chavan / Jagtap, Harishchandra / Koli, Ravindra | SAE Technical Papers | 2011


    Intake System Design Approach for Turbocharged MPFI SI Engine

    Jagtap, H. / Vinayak, C. / Koli, R. | British Library Conference Proceedings | 2011


    Development of 1.2L Gasoline Turbocharged MPFI Engine for Passenger Car Application

    Inamdar, Sameer / Ravisankar, M. / Panwar, Anupam et al. | British Library Conference Proceedings | 2017


    Einsatz von Alkoholen in MPFI und DI Ottomotoren

    Hofmann, Peter / Lauer, Thomas | Springer Verlag | 2019


    Potential for Particulate Reduction by Use of eFuels in MPFI Engines

    Batalha, Guilherme / Krasa, Helmut / Kupper, Martin et al. | SAE Technical Papers | 2023