Combined Effect of Oxygen Enrichment and Emulsification Techniques on Performance, Emission and Combustion of a WCO Based CI Engine

2016 ◽  
Vol 9 (1) ◽  
pp. 306-314 ◽  
Author(s):  
Senthilkumar Masimalai ◽  
Sasikumar Nandagopal
Keyword(s):  
Oxygen Enrichment ◽  
Combined Effect ◽  
Ci Engine ◽  
Effect Of Oxygen

Combined Effect of Oxygen Enrichment and Dual Fueling on the Performance Behavior of a CI Engine Fueled With Pyro Oil–Diesel Blend as Fuel

2016 ◽  
Vol 138 (3) ◽  
Author(s):  
SenthilKumar Masimalai ◽  
Sasikumar Nandagopal
Keyword(s):  
Power Output ◽  
Peak Power ◽  
Diesel Oil ◽  
Oxygen Enrichment ◽  
Combined Effect ◽  
Superior Performance ◽  
Peak Power Output ◽  
Power Outputs ◽  
Effect Of Oxygen ◽  
Dual Fueling

This paper aims at studying the combined effect of oxygen enrichment and dual fueling on performance, emission, and combustion characteristics of a mono cylinder diesel engine using a blend of cashew nut shell pyro oil (CSO) and conventional diesel oil (called BD—base diesel) as fuel. Experiments were initially conducted using 100% BD as fuel at variable power output conditions. Subsequently, experiments were repeated with CSO40D60 (blend of 40% of CSO and 60% of BD by volume) at different power outputs. In the third phase, the engine was run with oxygen enrichment of 24% by volume in the intake air using CSO40D60 as fuel. Finally, the engine was operated in dual fuel mode of operation with the oxygen concentrations of 24% using CSO40D60 as pilot fuel and ethanol as the primary inducted fuel. Ethanol induction was made up to the maximum possible limit until misfire or knock. The brake thermal efficiency (BTE) was found as 25% with CSO40D60 29.5% and 30.5% with BD at the rated power output of 3.7 kW. The smoke number was noted as 55 filter smoke number (FSN) and 40 FSN, respectively, with CSO40D60 and BD. Hydrocarbon (HC) and carbon monoxide (CO) emissions were found to be higher with CSO40D60 as compared to BD. Ignition delay (ID) and combustion duration (CD) were also noted to be higher with CSO40D60 at all power outputs. Combined oxygen enrichment and ethanol induction sufficiently increased the BTE using CSO40D60 as fuel at all power outputs. At peak power output, the BTE was noted as 34.5%. The lowest smoke number of 36 FSN was found for 24% of oxygen with 34.3% of ethanol energy share at peak power output with CSO40D60 as fuel, whereas it was 40 FSN with BD and 55 FSN with CSO40D60 for 21% of oxygen. Significant improvement in heat release rates was observed by combining ethanol induction and oxygen enrichment techniques using CSO40D60 as fuel. Overall, it is concluded that by combining oxygen enrichment and ethanol induction superior performance and reduced emissions can be achieved at all power outputs using CSO40D60 as fuel.

Effect of oxygen enrichment on CI engine behavior fueled with vegetable oil: an experimental study

2019 ◽  
Vol 142 (3) ◽  
pp. 1275-1286 ◽  
Author(s):  
S. Madhankumar ◽  
M. Jerome Stanley ◽  
S. Thiyagarajan ◽  
V. Edwin Geo ◽  
V. Karthickeyan ◽  
...  
Keyword(s):  
Experimental Study ◽  
Vegetable Oil ◽  
Oxygen Enrichment ◽  
Ci Engine ◽  
Effect Of Oxygen

Effect of oxygen and bismuth impurities on the structural and physicochemical properties of nickel melts

2021 ◽  
Vol 1 ◽  
pp. 73-83
Author(s):  
K.S. Filippov ◽  
Keyword(s):  
Surface Tension ◽  
Physicochemical Properties ◽  
Pure Nickel ◽  
The State ◽  
Combined Effect ◽  
Negative Deviation ◽  
Raoult’S Law ◽  
Compression Effect ◽  
Heat Resistant ◽  
Effect Of Oxygen

There are practically no data in the literature on the combined effect of oxygen and bismuth impurities on the structural and physicochemical properties of nickel melts or heat-resistant alloys based on it. In the presented work, the state of pure nickel and nickel melts containing (0.005-0.01) bismuth and oxygen is considered in the process of refining from oxygen and bismuth impurities. The influence of these impurities on the structural and physicochemical properties was studied, which was evaluated by the parameters of the density and surface tension of the melts. In nickel melts with bismuth and oxygen, a compression effect and a negative deviation from Raoult’s law were observed. The effect of an increase in the surface tension of a nickel melt containing oxygen with an increase in the concentration of bismuth is found, which corresponds to the isotherm of desorption of excess substance from the surface into the bulk.

Combined effect of fuel-design and after-treatment system on reduction of local and global emissions from CI engine

2018 ◽  
Vol 40 (21) ◽  
pp. 2802-2812 ◽  
Author(s):  
S. Thiyagarajan ◽  
V. Edwin Geo ◽  
Leenus Jesu Martin ◽  
B. Nagalingam
Keyword(s):  
Combined Effect ◽  
Treatment System ◽  
Fuel Design ◽  
Ci Engine ◽  
Global Emissions
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