Effect of nano additives in engine performance and emission characteristics using biodiesel fuel (original) (raw)
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In the present study, biodiesel produced from waste cooking oil was added to the diesel fuel at various volume percentages. Nanoparticles of cobalt oxide and cerium oxide were also used as additive to diesel-biodiesel blends. The fuel was magnetized by two neodymium magnets with grade of 42. The effect of six parameters including the magnetic field, biodiesel percent, nano-additives concentration, nano-additives ratio (CeO 2 to Co 3 O 4), engine speed, and engine load were evaluated using the Box-Behnken experiment design and RSM method. Optimization of performance parameters and engine emissions showed that the best conditions involved the magnetic field of 1,561.66 Gauss, nano-additives concentration of 12.26 ppm, nano-additives ratio of 56.37%, biodiesel volume fraction of 4.98 vol%, engine speed of 1,962 rpm and engine load of 66.14%. Under these conditions, the engine performance and emissions were as follows: maximum engine torque of 14.67 ± 0.73 Nm, maximum engine power of 3.36 ± 0.14 kW, minimum brake special fuel consumption (BSFC) of 272.50 ± 140.77 gr/kW.h, minimum carbon monoxide (CO) emission of 0.136 ± 0.086 vol%, minimum carbon dioxide (CO 2) emission of 0.027 ± 0.28 vol%, minimum-unburned hydrocarbons (UHC) of 0.032 ± 48.12 ppm and minimum nitrogen oxide (NOx) of 4 ± 13.78 ppm with the desirability of 0.89.
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Compression Ignition (CI) engine operates in lean air fuel mixture in most of the running conditions. In our work castor oil based biodiesel extracted from the plants of Ricinuscommunis testing in a four stroke constant speed running CI engine. The extracted non-edible oil was then transformed to into biodiesel for testing in the engine and the same was mixed with 100ppm of Cerium Oxide (CeO2) nano particles. Then the prepared castor oil biodiesel (CBD) was diversified with the diesel in numerous ratio (5:95, 10:90 & 15:85).These three biodiesel blends were then tried in a constant speed CI engine to associate its enactment and discharge characteristics with that of diesel. The engine was tested in a different Brake power (1.15, 1.71, 2.29 & 2.75 kW) for all the three mixtures and the diesel fuel. The numerous emissions of the engine like Carbon monoxide (CO) and Hydro Carbon (HC) and Oxides of Nitrogen and smoke emissions released at this engine load for all the test fuels were mea...
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Thermal efficiency and fuel economy of diesel engines are better. Despite the fact, due to the depletion of world petroleum reserve and hazardous pollutant emission to the environment, there is a need to research on the improvement of performance and reduction of environmental pollution. Utilization of biofuels such as ethanol and biodiesel is a solution to substitute petro-diesel and reduce pollution. The low calorific value of biofuels makes them to have lesser performance values compared to neat diesel. To improve the performance and reduce emission, strategies of fuel modification consisting of modifying fuel characteristics to improve combustion, which leads to better engine performance, less exhaust emissions, and higher fuel economy, are required. Addition of biofuels such as ethanol to petro-diesel lowers the calorific value and the cetane number of the emulsified fuel which reduces the performance of the engine and increase fuel consumption. Adding nanoparicles in base fuel...
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Synthesis & Characterization of Biodiesel on the Performance & Emission of Diesel Engine
International Journal for Research in Applied Science and Engineering Technology IJRASET, 2020
The preference given to biodiesel in a diesel engine has gained importance over the past two decades, due to its environmental and economic benefits. There are two methods of reducing the exhaust gas emission of the CI engine. First method is to reduce emissions by using exhaust gas treatment devices like catalytic converter, diesel particulate filter. However, use of this method increases the fuel consumption and affects the performance of the engine. A nanoparticle or Nano powder is a microscopic particle with at least one dimension less than 100 nm and is mixed with either one of the substances like water, oil or ethylene glycol in a required proportion(in ppm) to make Nano additives. In this work, we prepared biofuel from used cooking sunflower oil and also Nano additives. Then the blends of biodiesel (B-0, B-20, B-50, and B-100) tested on diesel engine to get optimum blend on performance and emission characteristics. Nano additives at different proportions will be added to this optimum blend to get the best proportion of blend with optimum quantity of Nano additives based on emission and performance characteristics.
2020
Article history: Received : 17 March 2020 Accepted: 13 Jan 2020 Published: 01 Dec 2020 In this paper, the exhaust emissions of a diesel engine operating with different nano particles additives in diesel-biodiesel blended fuels were investigated. Firstly multi wall carbon nano tubes (CNT) with concentrations of 40, 80 and 120 ppm and nano silver particles of 40, 80 and 120 ppm with nano-structure were produced and then added as additives to the diesel-biodiesel blended fuels. A four-stroke six cylinders diesel engine was fuelled with the new fuels and operated at different engine speeds. The experimental results showed that CO2 emission increased by 17% with an increase in nano particles concentrations at diesel-biodiesel blended fuel. Also, CO emission with nano-particles added to biodiesel-diesel fuel was 25.17% lower than neat diesel fuel. The results showed a decrease up to 28.56% in UHC emission using the silver nano-diesel-biodiesel blended fuel. NOx emission increased with add...
Experimental investigation to identify the effect of nanoparticles based diesel fuel in VCR engine
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2020
Rapid modernization increases the demand and modern technological advancements of alternative fuels in the automobile sector. Currently, fossil fuel depletion and ecological degradation are the two emergencies faced by the world. Nowadays, in diesel engines, the sustainability of biodiesel is the key factor for using it as a fuel. In the existing works, the contribution of nanoparticles in diesel is limited when compared to the utilization of biodiesel. This experiment is concentrated on nanoparticles contained diesel blend with the help of a 4-stroke, normally suctioned, Kirloskar engine. Four different nanoparticles, such as oxides of Aluminum, Magnesium, Cerium, and cobalt, are contributed in this research work with different combinations. Experimentation is done in the engine for different nano-based diesel blend under the conditions of 0 to 15 kg load and 15, 16, and 17 of compression ratios. A well-trained linear regression-artificial neural network is utilized as a prediction model to decide the performance and emission from the engine, and which is executed on the Mat Lab platform and its performance results are compared with experimented results, respectively. When using the oxides of Aluminum and cobalt to the diesel fuel, the optimal engine performances and emission characteristics are obtained at the rate of 78.5% of Brake thermal efficiency, 0.02% of CO emission, 2.94% of CO2 and 275 ppm of NOx. Thus the research concludes that the proposed nanoparticle blends of biodiesel fuels perform better than conventional diesel under variable compression ratios and loading conditions, respectively.
International Journal of Engineering Research and Technology (IJERT), 2016
https://www.ijert.org/investigation-of-performance-and-emission-characteristics-using-low-reactivity-fuel-and-biodiesel-blended-nanoparticles-in-diesel-engine https://www.ijert.org/research/investigation-of-performance-and-emission-characteristics-using-low-reactivity-fuel-and-biodiesel-blended-nanoparticles-in-diesel-engine-IJERTV5IS030939.pdf Alternate fuels and introduction of new combustion technology has been the major topic in these days due to its importance in environmental issue and cost. This work investigates the effect of low reactivity and high reactivity fuels in diesel engine to reduce the emission and to improve the efficiency. The experiments are performed on single cylinder research diesel engine by adapting dual fuel operation using gasoline as a low reactivity fuel which is injected near the port and various diesel blends injected directly into the cylinder. Here low reactivity fuel is kept same for all investigations but high reactivity fuel blends are changed. All tests were carried out at 1500rpm 23 CAD BTDC (DI) on various loading conditions. The port fuel injection takes place at 20 CAD ATDC (during intake stroke) which is controlled by ECU. Bio diesel used for direct injection (blended with diesel) is Annona squamosa (custard apple) seed oil. Various blending ratios used for DI: B20-80, B20A25, B20A50. Results suggest that in-cylinder fuel gradients strongly affect the engine efficiency. In addition NOx and smoke emission are reduced drastically while using proper blends with slight increase in HC and CO but using nanoparticles it get reduced further.