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Comparative Assessment of Low-Concentration Ethanol and Waste Fish Oil Biodiesel Blends on Emission Reduction and Performance Improvement in Variable Compression Ratio Engine

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Journal of Thermal Science 2023年第3期32卷 1306-1319页

作者： Vasanthaseelan SATHIYASEELAN Savadamuthu LAKSHMANA GOWDER ravishankar sathyamurthy Department of Mechanical Engineering KPR Institute of Engineering and TechnologyArasurCoimbatore-641407Tamil NaduIndia Department of Mechanical Engineering SNS College of TechnologyCoimbatoreTamil NaduIndia Mechanical Engineering Department King Fahd University of Petroleum and MineralsDhahranSaudi Arabia

The costs of conventional fuels are rising on a daily basis as a result of technical limits,a misallocation of resources between demand and supply,and a shortage of conventional *** use of crude oil contributes to increased environmental contamination,and as a result,there is a pressing need to investigate alternate fuel sources for car *** is a renewable fuel that is derived chemically by reacting with the sources of *** present research is based on analyzing the effect of fish oil biodiesel-ethanol blend in variable compression engine for variable compression ratio(VCR).The processed fish oil was procured and subjected to a transesterification process to convert fatty acids into methyl *** obtained methyl esters(biodiesel)were blended with ethanol and diesel to obtain a ternary *** ternary blend was tested for its stability,and a stable blend was obtained and tested in VCR engines for its performance,combustion,and emission *** the second phase,experiments are conducted in the diesel engine by fueling the fish oil methyl ester and ethanol blended with diesel fuel in the concentration of 92.5 vol%of Diesel+7.5 vol%of Fish oil+1.25vol%ethanol,92.5 vol%of Diesel+7.5 vol%of Fish oil+5 vol%ethanol,87.5 vol%of Diesel+12.5 vol%of Fish oil+1.25 vol%ethanol,87.5 vol%of Diesel+12.5 vol%of Fish oil+5 vol%ethanol,82.5 vol%of Diesel+17.5vol%of Fish oil+1.25 vol%ethanol,82.5 vol%of Diesel+17.5 vol%of Fish oil+5 vol%ethanol to find out the performance parameters and *** the alternative fuel performs better in terms of engine performance and pollution management,the percentage chosen is considered the best *** results showed that the use of a lower concentration of ethanol in the fish oil biodiesel blend improved the engine thermal efficiency by 5.23%at a higher compression ***,the engine operated with a higher compression ratio reduced the formation of HC and CO emissions,whereas the NOxa

关键词： biodiesel VCR alternate fuels fish oil performance combustion emission injection timing crank angle

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Rain tree(Samanea saman)seed oil:Solvent extraction,optimization and characterization

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Journal of Bioresources and Bioproducts 2021年第3期6卷 254-265页

作者： S.Chandra Sekhar K.Karuppasamy M.Vimal Kumar D.Bijulal N Vedaraman ravishankar sathyamurthy Department of Mechanical Engineering N.B.K.R Institute of Technology(Autonomous)Vidyanagar-524413Andra PradeshIndia Department of Mechanical Engineering Anna University Regional CampusTirunelveliTamil Nadu627007India Department of Mechanical Engineering M.A.M School of EngineeringTiruchirappalli621105Tamil NaduIndia Department of Mechanical Engineering Govt.Engineering CollegeBarton HillThiruvananthapuram695035KeralaIndia Department of Chemical Engineering Central Leather Research Institute(CSIR-CLRI)ChennaiTamil Nadu600020India Department of Mechanical Engineering KPR Institute of Engineering and TechnologyArasurCoimbatoreTamil Nadu641407India

The present investigation reports the soxhlet assisted solvent extraction technique to derive the oil from seeds of the rain *** optimization of the factors affecting the extraction process has been carried out by Response Surface Methodology(RSM)technique,and a Box-Behnken Design(BBD)consisting of three process variables has been developed to optimize the yield of *** the RSM technique,the predicted optimum oil yield of 11.15%at an optimized condition of powder weight of 20 g,volume of solvent of 380 mL,and extraction time of 6 *** physiochemical properties of the oil showed liquid greenish-yellow with 0.88,1.473 of specific gravity and refractive index,***,the moisture content,free fatty acid,acid value,saponification value,iodine value,and peroxide value were found to be 0.16%,13.615,27.23,187.1 mg KOH per g oil,65.8 g I_(2) per 100 g,and 4.02 meq O_(2) per kg,*** the obtained results,it was found that the extracted oil could be used for various applications.

关键词： Soxhlet apparatus Response Surface Methodology Box-Behnken design(BBD) Analysis of variance mg per KOH g of oil

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