این سایت در حال حاضر پشتیبانی نمی شود و امکان دارد داده های نشریات بروز نباشند
Energy Equipment and Systems، جلد ۱۳، شماره ۱، صفحات ۱-۱۳
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Experimental investigation of combustion performance in the dual-fuel gasoline-NG SI engine in the free of residual burned gas condition with skip-fire technique
چکیده انگلیسی مقاله Spark ignition engines are among the common apparatuses for generating power for various applications. By employing dual-fuel spark ignition engines using gasoline and natural gas and analyzing the variations in burned residual gases within the combustion cycles, the operational efficiency of the engine can be improved. Experimental data were obtained from a one-cylinder spark ignition engine operating at different spark advances, a compression ratio of 9, and a fuel mixture of 60% gasoline by mass and 40% natural gas by mass under stoichiometric conditions. Measurements were taken under both skip-fire and no-skip scenarios. The raw recorded data were processed to derive the in-cylinder pressure versus crank angle diagram and to calculate the Indicated Mean Effective Pressure (IMEP). Analysis of the ensemble average cycle derived from experimental runs at optimal spark advances revealed that the rate of pressure changes within the cylinder before reaching peak pressure is higher under skip fire conditions. Additionally, a difference of 5 degrees in crankshaft angle was observed between the optimum spark advance with and without skip fire mode. The standard deviation and coefficient of variation for the IMEP were found to be lower in the skip fire condition, indicating a reduction in cyclic variation with skip fire. Furthermore, the rate of change of the mass fraction burned was higher under skip fire conditions compared to no skip fire mode, suggesting faster combustion in the skip fire condition.
کلیدواژه‌های انگلیسی مقاله Gasoline,skip fire,SI Engine,Burned Residual Gas,Natural gas,Dual fuel
نویسندگان مقاله Seyed Kazem Yekani |
Department of Mechanical Engineering, University of Tabriz, Tabriz, Iran

Merhrdad Sarabi |
Department of Mechanical Engineering, National University of Skills (NUS), Tehran, Iran

نشانی اینترنتی https://www.energyequipsys.com/article_721170_f2a8e8049a24ad876905972b46f65fcb.pdf
فایل مقاله فایلی برای مقاله ذخیره نشده است
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده
نوع مقاله منتشر شده
برگشت به: صفحه اول پایگاه   |   نسخه مرتبط   |   نشریه مرتبط   |   فهرست نشریات