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A CFD Investigation of CNG Engine In-Cylinder Combustion and Matching Turbo-DI


Prakash Shakti , KJIT; Tanmay Pathak, KJIT; Rutvik Orpe, KJIT; Abhani Savan, KJIT


Turbocharger, CNG, Exhaust Emission, CFD, In-Cylinder Combustion, Flame Generation, Pollutant


In this paper, the main purpose is to design CNG engine and to match turbocharger with CNG engine and to find the possible of combined injection of CNG and gasoline, which is studied on a 2.0 L turbocharged. CNG as an alternative fuel is used in SI engines to improve fuel consumption and exhaust emissions. By a CFD studies of In-cylinder combustion we found pollution emission and combustion phenomena of CNG engine. CNG has a higher octane number and knocking resistance as compared with gasoline and hence CNG engines can have higher compression ratios and therefore higher indicated efficiencies. Results show that the combined injection of gasoline and CNG is much better than gasoline mode in terms of fuel consumption and raw HC and CO emissions. The pollutant were calculated by a CFD analysis of CNG engine In-cylinder Combustion process and mixing the CNG with natural Airading.

Other Details

Paper ID: IJSRDV5I120227
Published in: Volume : 5, Issue : 12
Publication Date: 01/03/2018
Page(s): 273-280

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