Combustion, emission and performance analysis of a direct injection diesel engine using high gadoleic fatty acid Jojoba methyl ester blends as fuel

Author(s): P. K. Devan1, C. Ramakrishnan2
1 Department of Mechanical Engineering, RMK College of Engineering & Technology, Puduvoyal – 601206, Tamil Nadu, India, pkdevan68@gmail.com.
2 Department of Mechanical Engineering, V.I. Institute of Technology, Sirukundram, 603108, Tamil Nadu, India
International Journal of Smart Grid and Clean Energy, vol. 8, no. 5, September 2019: pp. 568-573
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.8.5.568-573

Abstract: The present investigation analyses the combustion, emission and performance analysis of a direct injection diesel engine using the blends of high gadoleic fatty acid jojoba methyl ester. The significance of this investigation is the complete replacement of standard diesel with bio-fuels. Different blends, namely, MEJ100, T20–MEJ80, T40–MEJ60 were prepared on volume basis and tested as fuels. From the property analysis it was found that the properties of these blends are similar to those of diesel. The presence of turpentine oil in the blends improves the viscosity and volatility of the fuel blends. The combustion, performance and emission characteristics of the blends at all loads have shown good results. From the emission analysis, it was found that CO, HC and smoke are lower for T20–MEJ80 blend when compared to diesel with slight increase in NOx emission. The brake thermal efficiency of T20–MEJ80 blend is slightly higher than that of diesel. Cylinder pressure, Heat release rate and Ignition delay are in similar trend with diesel fuel operation. On the whole, it is found that performance and emission characteristics of T20–MEJ80 blend are closer to those of diesel.

Keywords: Gadoleic fatty acid, methyl ester, diesel engine, emission
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