دانلود مقاله انگلیسی رایگان:عملکرد موتور احتراق مشعل طبقه بندی  شده E25 ، انتشار CO2 و تجزیه و تحلیل احتراق - 2016
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  • E25 stratified torch ignition engine performance, CO2 emission and combustion analysis E25 stratified torch ignition engine performance, CO2 emission and combustion analysis
    E25 stratified torch ignition engine performance, CO2 emission and combustion analysis

    دسته بندی:

    مهندسی مکانیک - mechanical engineering


    سال انتشار:

    2016


    عنوان انگلیسی مقاله:

    E25 stratified torch ignition engine performance, CO2 emission and combustion analysis


    ترجمه فارسی عنوان مقاله:

    عملکرد موتور احتراق مشعل طبقه بندی شده E25 ، انتشار CO2 و تجزیه و تحلیل احتراق


    منبع:

    Sciencedirect - Elsevier - Energy Conversion and Management, 115 (2016) 299-307. doi:10.1016/j.enconman.2016.02.052


    نویسنده:

    Fernando Antonio Rodrigues Filho, Thiago Augusto Araujo Moreira c, Ramon Molina Valle a, José Guilherme Coelho Baêta a, Michael Pontoppidan d, Alysson Fernandes Teixeira


    چکیده انگلیسی:

    Vehicular emissions significantly increase atmospheric air pollution and the greenhouse effect. This fact associated with the fast growth of the global motor vehicle fleet demands technological solutions from the scientific community in order to achieve a decrease in fuel consumption and CO2 emission, especially of fossil fuels to comply with future legislation. To meet this goal, a prototype stratified torch ignition engine was designed from a commercial baseline engine. In this system, the combustion starts in a pre-combustion chamber where the pressure increase pushes the combustion jet flames through a cali- brated nozzle to be precisely targeted into the main chamber. These combustion jet flames are endowed with high thermal and kinetic energy being able to promote a stable lean combustion process. The high kinetic and thermal energy of the combustion jet flame results from the load stratification. This is carried out through direct fuel injection in the pre-combustion chamber by means of a prototype gasoline direct injector (GDI) developed for low fuel flow rate. During the compression stroke, lean mixture coming from the main chamber is forced into the pre-combustion chamber and, a few degrees before the spark timing, fuel is injected into the pre-combustion chamber aiming at forming a slightly rich mixture cloud around the spark plug which is suitable for the ignition and kernel development. The performance of the torch ignition engine running with E25 is presented for different mixture stratification levels, engine speed and load. The performance data such as combustion phasing, specific fuel consumption, thermal effi- ciency and the specific emissions of CO2 are carefully analyzed and discussed in this paper. The results obtained in this work show a significant increase in the torch ignition engine’s performance in compar- ison with the baseline engine which was used as a workhorse for the prototype engine construction.© 2016 Elsevier Ltd. All rights reserved.
    Keywords: Torch ignition | Lean combustion | Specific fuel consumption | CO2 emission | Combustion analysis | Internal combustion engine


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 9
    حجم فایل: 1590 کیلوبایت

    قیمت: رایگان


    توضیحات اضافی:




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