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Arunraja, A.
- Effect of Carbon Nanotubes on Oxygenated Jojoba Biodiesel-Diesel Blends in Direct Injection CI Engines
Abstract Views :206 |
PDF Views:100
Authors
V. Hariram
1,
V. Udhayakumar
1,
P. Karthick
1,
A. Abraham Eben Andrews
1,
A. Arunraja
1,
S. Seralathan
1,
T. Micha Premkumar
1
Affiliations
1 Dept. of Mech. Engg., Hindustan Institute of Tech. and Sci., Chennai, IN
1 Dept. of Mech. Engg., Hindustan Institute of Tech. and Sci., Chennai, IN
Source
International Journal of Vehicle Structures and Systems, Vol 10, No 6 (2018), Pagination: 423-432Abstract
Scarcity and inflated cost of petroleum reserves along with environmental pollution concerns urged the researchers to identify a better alternative source of eco-friendly bio-energy. In this study, oxygenated biodiesel derived from Jojoba oil was used in a compression ignition engine to analyse the engine characteristics in the presence of multi-walled carbon Nanotubes (MWCNT) at 50 ppm, 100 ppm and 150 ppm concentrations. Taguchi’s approach based experimentation identified the stability of modified fuel blends ratios of n-butanol, biodiesel and MWCNT. The Jojoba biodiesel was characterized using FTIR and GC MS techniques to understand the presence of fatty acid methyl esters in the biodiesel. Higher brake thermal efficiency and significant reduction in specific fuel consumption were observed in fuel blend with MWCNT. D70JJBD20O10CNT100 showed higher in-cylinder pressure and heat release rate due to micro-explosion of carbon nanotubes at full load condition. The ignition delay was also significantly affected with the addition of MWCNT. The exhaust emission like un-burned hydrocarbon, oxides of carbon, oxides of nitrogen and smoke exhibited noticeable variations with the modified fuel blends.Keywords
Biodiesel, Multi-Walled Carbon Nano Tubes, N-Butanol, Performance, Combustion, Emission.Full Text
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- Influence of Carbon Nano-tube on Combustion, Performance and Emission Parameters of DI CI Engine Fuelled with Blends of Lemongrass Biodiesel
Abstract Views :196 |
PDF Views:96
Authors
V. Hariram
1,
Penchala Tharun
1,
S. Seralathan
1,
A. Abraham Eben Andrews
1,
P. Karthick
1,
A. Arunraja
1,
T. Micha Premkumar
1
Affiliations
1 Dept. of Mech. Engg., Hindustan Institute of Tech. and Sci., Chennai, IN
1 Dept. of Mech. Engg., Hindustan Institute of Tech. and Sci., Chennai, IN
Source
International Journal of Vehicle Structures and Systems, Vol 10, No 6 (2018), Pagination: 433-442Abstract
In the present investigation, bio-oil is extracted from lemongrass through steam distillation process, Single stage trans esterification using methanol and potassium hydroxide at molar ration of 1:8 yielded lemongrass biodiesel. The biodiesel was characterized using Gas chromatography Mass spectrometry and Fourier transforms infrared spectrometry analysis and found to have Behenic and Stearic acid in prominent proportions. The cetane number and calorific value was enhanced by ultrasonicating carbon Nano-tubes at various proportions. Kirloskar TV1 compression ignition engine coupled with eddy current dynamometer was employed to analyse the combustion, performance and emission characteristics. Addition of carbon Nano-tubes significantly affected the ignition delay and combustion duration. D80LGB20CNT100 fuel blend exhibited higher in-cylinder pressure up to 65.144 bars along with enhanced rate of heat release upto 73.953 kJ/kg at full load condition. Higher brake thermal efficiency with notable reduction in unburned hydrocarbon and smoke was seen with elevated levels of carbon-monoxide and oxides of nitrogen.Keywords
Lemongrass Biodiesel, Carbon Nano-Tube, Transesterification, Combustion, Performance, Emission.Full Text
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