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MANSOURY, M., JAFARMADAR, S., LASHKARPOUR, S. M., TALEI, M.. (1394). EFFECT OF AIR JET AT THE VARIOUS RATE OF FUEL INJECTION IN A DIRECT INJECTION DIESEL ENGINE. , 39(M1+), 219-231. doi: 10.22099/ijstm.2015.3001
M. MANSOURY; S. JAFARMADAR; S. M. LASHKARPOUR; M. TALEI. "EFFECT OF AIR JET AT THE VARIOUS RATE OF FUEL INJECTION IN A DIRECT INJECTION DIESEL ENGINE". , 39, M1+, 1394, 219-231. doi: 10.22099/ijstm.2015.3001
MANSOURY, M., JAFARMADAR, S., LASHKARPOUR, S. M., TALEI, M.. (1394). 'EFFECT OF AIR JET AT THE VARIOUS RATE OF FUEL INJECTION IN A DIRECT INJECTION DIESEL ENGINE', , 39(M1+), pp. 219-231. doi: 10.22099/ijstm.2015.3001
MANSOURY, M., JAFARMADAR, S., LASHKARPOUR, S. M., TALEI, M.. EFFECT OF AIR JET AT THE VARIOUS RATE OF FUEL INJECTION IN A DIRECT INJECTION DIESEL ENGINE. , 1394; 39(M1+): 219-231. doi: 10.22099/ijstm.2015.3001

EFFECT OF AIR JET AT THE VARIOUS RATE OF FUEL INJECTION IN A DIRECT INJECTION DIESEL ENGINE

Iranian Journal of Science and Technology Transactions of Mechanical Engineering
مقاله 7، دوره 39، M1+، مرداد 2015، صفحه 219-231    اصل مقاله (1.22 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22099/ijstm.2015.3001
نویسندگان
M. MANSOURY* 1؛ S. JAFARMADAR1؛ S. M. LASHKARPOUR2؛ M. TALEI1
1Dept. of Mechanical Engineering, University of Urmia, Urmia, West Azerbaijan 57561-15311, I. R. of Iran
2Dept of Mechanical Engineering, Olum Tahghighat University of Tehran, Tehran, I. R. of Iran
چکیده
In the present work, the simultaneous effects of fuel injection rate and injection of air jet into the combustion chamber on exhaust emissions, combustion process and performance parameters in a direct injection diesel engine were investigated. In order to create an air jet, a design was presented in which a secondary chamber (air cell) was created inside the cylinder and was joined to the main chamber by throats. The obtained results showed that creating the air cell had no major effect on the power and specific fuel consumption, and brought about the reduction of emitted smoke particles from the combustion chamber in all four conditions of 100% load, 75% load, 50% load and 25% load. In comparison with the base engine, the rates of oxides of nitrogen (NOx) emissions decreased at 100% and 75% loads, yet increased at 50% and 25% loads. The outcomes of the current study were compared with those existing in the relevant literature and displayed acceptable behavior.
کلیدواژه‌ها
Air jet؛ air cell؛ combustion؛ emission؛ diesel engine؛ injection rate
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