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Study on the Effect of Manifold Induction of Acetylene in a Dual-fuelled CI Engine

NIT Rourkela-Rakesh Kumar Sahoo, Akshat Jaiswal, Murugan Sivalingam
  • Technical Paper
  • 2020-01-0817
To be published on 2020-04-14 by SAE International in United States
The utilization of gaseous fuels in internal combustion (IC) engines is receiving more significant greater interest in recent years because of their better fuel mixing characteristics. Apart from potential gaseous fuels such as liquefied natural gas (LPG), compressed natural gas (CNG) and hydrogen, other gaseous fuels are being explored for their utilization in IC engines. The reason for this exploration is mainly because of the durability and robust nature of compression ignition (CI) engines, more research focuses on the utilization of a variety of gaseous fuels in CI engines. However, gaseous fuels need to be used in CI engines on dual fuel mode only. In this investigation, a single-cylinder, four-stroke, air-cooled diesel engine was converted into Acetylene run dual-fuel CI engine by changing the intake manifold of the test engine. Acetylene at three flow rates viz., 2lpm, 4lpm, and 6lpm were introduced into the intake port by manifold induction technique while Jatropha biodiesel was injected directly into the cylinder. In this paper, the effect of manifold induction of Acetylene on the performance and emission characteristics…
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Analysis of Whole Body Vibration of a Two-Wheeler Rider

NIT Rourkela-Kashish Veda Eluri, Vadde Lokesh Reddy, Murugan Sivalingam, Balaji PS
Published 2019-04-02 by SAE International in United States
Two-wheel motorcycles are preferred in many countries as they have some merits such as cheaper, easy to handle and give higher fuel economy compared to three and four-wheel vehicles. Majority of the population in India falls under low and middle-income groups. Two-wheelers cater to the needs of low and middle-income users, and fill the gaps when public transport systems are inefficient or not available. Most of the people in India use motorcycles for transportation. However, due to different road conditions, motorcycle rider experiences different health effects within a few years of their vehicle travel. This paper investigates the effect of vibration on a man commuter’s health. For this purpose, a mathematical model of a male rider’s body was considered, and a numerical analysis was carried out to assess the effect of vibration acting on the commuter during a two-wheeler ride under various road conditions for a chosen suspension system and presented in this paper. Road conditions were chosen based on the different surface roughness values. The most affected rider’s body part due to the vibration…
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Performance and Emission Characteristics of a Diesel Engine Fueled with Diesel and Orange Oil Blends Using Different Bowl-In Piston Geometries

B.S. Abdur Rahman Crescent Instit-Geetha Murugan
NIT Rourkela-P. Niklesh Reddy, Santosh Kumar Paruvada, Abhijeet Killol, Khayum Naseem, Murugan Sivalingam
Published 2018-04-03 by SAE International in United States
Biomass derived fuels have a potential to replace fossil fuels that are used in transportation. Orange oil is considered as one of the possible alternative biofuels for compression ignition (CI) engines, as it is renewable and available in a significant quantity throughout the world. It is a biomass derived fuel obtained from orange skin, which has 90% D-limonene. In this study an orange oil diesel blend is used as a test fuel in a single cylinder, four stroke, direct injection (DI) diesel engine with a power output of 4.4 kW at a rated speed of 1500 rpm to assess the performance and emission parameters of the engine, when the engine is run with three different piston geometries. The experimental results of the performance and emission parameters of the engine for the orange oil operation were compared with those of the diesel operation of the same engine and presented in this paper.
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Experimental and Simulation Studies on Instability of a Two Wheeler Vehicle

SAE International Journal of Vehicle Dynamics, Stability, and NVH

NIT Rourkela, Odisha, India-Abhijeet Behera, Murugan Sivalingam
  • Journal Article
  • 2017-01-1563
Published 2017-03-28 by SAE International in United States
Two and three wheeler vehicles are largely used in many developing and under developing countries because of their lower cost, better fuel economy and easy handling. Although, the construction of them is simpler than the four wheeler vehicle, they pose some problems related to instability. Wobbling is the main cause of instabilities in two wheeler and three wheeler vehicles. In this study, a mathematical model was proposed and developed to determine wobble instability of a two wheeler. Nonlinear equations were formulated by using kinematics and the D’Alembert’s principle with the help of multi body formalism. The non-linear equations found in the study were linearized with respect to rectilinear and upright motion, considering no rolling. It led to formation of matrix. The real part of the Eigen value of the matrix was found to be negative, implication of whose was an asymptotic stable motion. It was observed that, the above real part of Eigen value was a function of different parameters such as Tire stiffness, Frame compliance, Steering angle and Rider’s way of handling. These parameters…
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Impact of Fuel Injection Pressure on Performance and Emission Characteristics of a Diesel Engine Fueled With Jatropha Methyl Ester Tyre Pyrolysis Blend

NIT Rourkela, India-Abhishek Sharma, Murugan Sivalingam
Published 2014-10-13 by SAE International in United States
In this study, the effects of fuel injection pressure on the performance and exhaust emission characteristics of a single cylinder, constant speed, direct injection diesel engine have been investigated and compared with diesel. The engine fueled with Jatropha methyl ester (JME)-Tyre pyrolysis oil (TPO) blend (JME 80%+TPO 20% on a volume basis), was run at five different fuel injection pressures (210, 220, 230, 240, and 250 bar) in addition to original injection pressure of 200 bar. The results confirmed that the injection pressure up to 220 bar gave better results for the JMETPO20 blend in terms of performance and emission characteristics compared to those of original injection pressure and also 230, 240 and 250 bar. At 220 bar injection pressure, for the JMETPO20 blend the brake thermal efficiency was higher by about 5.12%, and the hydrocarbon and carbon monoxide emissions were lower by about 1.75% and 6.2% respectively compared to original injection pressure at full load. The smoke opacity was lower for the JMETPO20 blend at full load by about 9.5% at 220 bar compared…
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Investigation on Performance and Exhaust Emissions Characteristics of a DI Diesel Engine Fueled with Karanja Methyl Ester and Biogas in Dual Fuel Mode

NIT Rourkela-Debabrata Barik, Murugan Sivalingam
Published 2014-04-01 by SAE International in United States
The present study was aimed to run the diesel engine only with two renewable fuels in a dual fuel mode. The karanja methyl ester (KME) derived from karanja oil was used as an injected fuel, and the biogas obtained from the anaerobic digestion of pongamia pinnata (Karanja) de-oiled cakes, was used as a secondary fuel in a single cylinder, four stroke, air cooled, direct injection (DI) diesel engine. Four different flow rates of biogas, viz., 0.3 kg/h, 0.6 kg/h, 0.9 kg/h and 1.2 kg/h were inducted along with the air in the suction of the engine. The results of the experiment were compared with those of diesel and KME operations. Biogas inducted at a flow rate of 0.9 kg/h was found to be the best among all the flow rates, in terms of the performance and emission of the engine. The dual fuel operation showed a higher BSEC than that of diesel operation at full load. In dual fuel operation, about 22% of KME replacement was possible with the biogas flow rate of 0.9 kg/h…
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Effect of Diethyl Ether (DEE) Fumigation on Engine Performance and Emissions in a Bioethanol Fueled Diesel Engine

NIT Rourkela-Navin Kumar, Abyarth Behera, Dulari Hansdah, Murugan Sivalingam
Published 2014-04-01 by SAE International in United States
Madhuca indica flower is a forest residue used for preparation of food and liquor in tribal areas of India. In this present investigation, bioethanol produced from madhuca indica flower by the fermentation process is proposed as an alternative fuel for diesel engines. As the cetane number of bioethanol is low, an ignition improver is required for better operation. In this study, Diethyl ether (DEE), an ignition improver is fumigated at two different flow rates viz 120 g/h and 240 g/h in the intake manifold along with the air in a single cylinder, four stroke, DI diesel engine developing a power of 4.4 kW at a rated speed of 1500 rpm. The brake thermal efficiency (BTE) is found to be higher by about 10.47 and 2.46% with 120 g/h and 240 g/h flow rate of the DEE respectively, compared to that of diesel at full load. The brake specific nitric oxide (BSNO) emission is found to be lower for both the flow rates, but the brake specific carbon monoxide (BSCO) and brake specific hydrocarbon (BSHC) emission…
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Performance and Emission Characteristics of a Biogas Fueled DI Diesel Engine

National Institute of Technology Rourke-Debabrata Barik, Murugan Sivalingam
Published 2013-10-14 by SAE International in United States
The awareness on the use of biofuels is increasing day by day among the public throughout the world, because of their merits over petroleum fuels. Biogas is a clean, cheaper and eco-friendly fuel. It can be produced from any organic digestive material. In the present research work, biogas was produced by anaerobic digestion of de-oiled cakes obtained from an oil crushing unit. Further, the biogas was used as an alternative fuel in a direct injection (DI) diesel engine on dual fuel mode. Diesel was used as a pilot fuel while, biogas was inducted at different flow rates of 0.15kg/h, 0.3kg/h, 0.45kg/h and 0.6kg/h along with the inducted air through the intake manifold. The performance and the emission characteristics of the engine were studied. The dual fuel mode operation showed a higher BSEC than that of single fuel mode. Also, 30% diesel consumption was replaced by biogas in dual fuel mode. The dual fuel mode emission showed 16% and 21% increment in the CO and HC emissions. The NO and smoke emissions were found to be…
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Experimental Analysis of Diesel Engine Fueled with E-Diesel Produced from Madhuca Indica Flowers with the Addition of an Ignition Improver

NIT Rourkela, India-Dulari Hansdah, Bhagyashree Suna, Murugan Sivalingam
Published 2013-04-08 by SAE International in United States
Experimental investigations were carried out to study the effect of the addition of an ignition improver with a bioethanol diesel emulsion, on the performance and emission behavior of a single-cylinder, 4-stroke, air-cooled, direct-injection (DI) diesel engine, with a rated power of 4.4 kW at a constant speed of 1500 rpm. Bioethanol was produced from the madhuca indica flower, which is proposed as a new feed stock. 15% bioethanol was emulsified with 84% diesel on a volume basis with the help of a surfactant of 1% to get the emulsion named as BDE15. The ignition improver used in the experimentation was diethyl ether (DEE) whose cetane number is greater than 125. 1% and 2% of DEE was added to the bioethanol diesel emulsion named as BDE+DEE1% and BDE+DEE2% respectively. The performance and emission results of the engine fueled with BDE15, with BDE+DEE1% and BDE+DEE2% were compared with those of diesel operation, and are presented in the paper. The results showed that BDE15 with or without the ignition improver, showed a lower thermal efficiency and higher brake…
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Effect of Nozzle Opening Pressure on the Combustion, Performance and Emission Parameters of DI Diesel Engine Fueled with Used Transformer Oil

NIT, Rourkela-Pritinika Behera, Murugan Sivalingam
Published 2012-09-10 by SAE International in United States
Waste or used transformer oil (UTO) possesses a considerable heating value and physical properties similar to diesel fuel. But, the viscosity and density are marginally higher than diesel fuel. The present investigation is aimed to study the combustion, performance and emission characteristics of a single cylinder, four stroke, air cooled DI engine fueled with UTO at different nozzle opening pressures varying from 200bar to 250bar at a regular interval of 10bar. The results of the investigation showed that operating the engine fuled with UTO at 230bar nozzle opening pressure gave a higher brake thermal efficiency, higher nitric oxide (NO) and lower smoke emissions than that of UTO at 200bar which is a standard nozzle opening pressure set by the manufacturer. The maximum heat release and the maximum cylinder pressure at 230bar are found to be higher than that of UTO at 200bar. In comparison with diesel operation, UTO at 230bar operation gave higher NO and lower smoke. The results are presented in this paper.
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