Comparative Analysis of the Combustion Stability of Diesel-Methanol and Diesel-Ethanol in a Dual Fuel Engine

The co-combustion of diesel with alcohol fuels in a compression ignition dual fuel engine is one of the ways of using alternative fuels to power combustion engines. Scientific explorations in this respect should not only concern the combustion process in one engine cycle, which is most often not representative for a longer engine life, but should also include an analysis of multiple cycles, which would allow for indicating reliable parameters of engine operation and its stability. This paper presents experimental examinations of a CI engine with a dual fuel system, in which co-combustion was performed for diesel and two alcohol fuels (methanol and ethanol) with energy contents of 20%, 30%, 40% and 50%. The research included the analysis of the combustion process and the analysis of cycle-by-cycle variation of the 200 subsequent engine operation cycles. It was shown that the presence and increase in the share of methanol and ethanol used for co-combustion with diesel fuel causes an increase in ignition delay and increases the heat release rate and maximum combustion pressure values. A larger ignition delay is observed for co-combustion with methanol. Based on changes in the coefficient of variation of the indicated mean effective pressure (COVIMEP) and the function of probability density of the indicated mean effective pressure (f(IMEP)), prepared for a series of engine operation cycles, it can be stated that the increase in the percentage of alcohol fuel used for co-combustion with diesel fuel does not impair combustion stability. For the highest percentage of alcohol fuel (50%), the co-combustion of diesel with methanol shows a better stability.

[1]  A. Paul,et al.  An experimental study of combustion, performance, exergy and emission characteristics of a CI engine fueled by Diesel-ethanol-biodiesel blends , 2017 .

[2]  K. Boulouchos,et al.  Cycle-to-cycle variations of NO emissions in diesel engines under long ignition delay conditions , 2017 .

[3]  John R. Taylor.  Introduction to Error Analysis, the Study of Uncertainties in Physical Measurements, 2nd Edition , 1997 .

[4]  Dimitrios Karonis,et al.  Exhaust Emissions and Physicochemical Properties of n-Butanol/Diesel Blends with 2-Ethylhexyl Nitrate (EHN) or Hydrotreated Used Cooking Oil (HUCO) as Cetane Improvers , 2018, Energies.

[5]  Experimental investigations on combustion, performance, and emission characteristics of stationary CI engine fueled with diesel–methanol and biodiesel–methanol blends , 2017 .

[6]  Chun-de Yao,et al.  Effects of methanol to diesel ratio and diesel injection timing on combustion, performance and emissions of a methanol port premixed diesel engine , 2016 .

[7]  Doraj Kamal Jamuwa,et al.  Experimental investigation of performance, exhaust emission and combustion parameters of stationary compression ignition engine using ethanol fumigation in dual fuel mode , 2016 .

[8]  Ertan Alptekin.  Evaluation of ethanol and isopropanol as additives with diesel fuel in a CRDI diesel engine , 2017 .

[9]  Varun Goel,et al.  Assessment of diesel engine combustion, performance and emission characteristics fuelled with dual fuel blends , 2018, Renewable Energy.

[10]  Konstantinos Boulouchos,et al.  Cycle-to-cycle variations in diesel engines , 2016 .

[11]  Hua Zhao,et al.  High efficiency ethanol-diesel dual-fuel combustion: A comparison against conventional diesel combustion from low to full engine load , 2018, Fuel.

[12]  Bin Wang,et al.  The impact of methanol injecting position on cylinder-to-cylinder variation in a diesel methanol dual fuel engine , 2017 .

[13]  Stanislaw Szwaja,et al.  Alcohol–diesel fuel combustion in the compression ignition engine , 2015 .

[14]  Raj Kamaraj,et al.  Performance and Exhaust Emission Optimization of a Dual Fuel Engine by Response Surface Methodology , 2018 .

[15]  Hubert Kuszewski,et al.  ‘Experimental investigation of the effect of ambient gas temperature on the autoignition properties of ethanol–diesel fuel blends’ , 2018 .

[16]  Arkadiusz Jamrozik,et al.  EFFECTS OF INJECTION TIMING OF DIESEL FUEL ON PERFORMANCE AND EMISSION OF DUAL FUEL DIESEL ENGINE POWERED BY DIESEL/E85 FUELS , 2018, Transport.

[17]  Mazhar Hussain,et al.  Combustion, Performance, and Emission Evaluation of a Diesel Engine with Biodiesel Like Fuel Blends Derived From a Mixture of Pakistani Waste Canola and Waste Transformer Oils , 2017 .

[18]  Tie Li,et al.  Characteristics of non-evaporating, evaporating and burning sprays of hydrous ethanol diesel emulsified fuels , 2017 .

[19]  Nadir Yilmaz,et al.  A comparative analysis of n-butanol/diesel and 1-pentanol/diesel blends in a compression ignition engine , 2018, Fuel.

[20]  Wojciech Tutak,et al.  Bioethanol E85 as a fuel for dual fuel diesel engine. , 2014 .

[21]  M. Pyrc,et al.  Performance, emission and combustion characteristics of CI dual fuel engine powered by diesel/ethanol and diesel/gasoline fuels , 2018, Journal of Mechanical Science and Technology.

[22]  Chun-de Yao,et al.  Combustion and emission characteristics of a turbocharged diesel engine using high premixed ratio of methanol and diesel fuel , 2015 .

[23]  Francisco M. Vigil,et al.  Quaternary blends of diesel, biodiesel, higher alcohols and vegetable oil in a compression ignition engine , 2018 .

[24]  Haozhong Huang,et al.  Improvement of combustion performance and emissions in diesel engines by fueling n-butanol/diesel/PODE3–4 mixtures , 2017, Applied Energy.

[25]  F. V. Tinaut,et al.  Characterization of cycle-to-cycle variations in a natural gas spark ignition engine , 2015 .

[26]  Sam Ki Yoon,et al.  Effects of Canola Oil Biodiesel Fuel Blends on Combustion, Performance, and Emissions Reduction in a Common Rail Diesel Engine , 2014 .

[27]  Ahmad Fayyazbakhsh,et al.  Comprehensive overview on diesel additives to reduce emissions, enhance fuel properties and improve engine performance , 2017 .

[28]  Sam Ki Yoon,et al.  Effects of Pilot Injection Timing and EGR on Combustion, Performance and Exhaust Emissions in a Common Rail Diesel Engine Fueled with a Canola Oil Biodiesel-Diesel Blend , 2015 .

[29]  M. Kumar,et al.  A comprehensive assessment on the effect of high octane fuels induction on engine’s combustion behaviour of a Mahua oil based dual fuel engine , 2017 .

[30]  Anren Yao,et al.  Effects of diesel injection pressure on the performance and emissions of a HD common-rail diesel engine fueled with diesel/methanol dual fuel , 2015 .

[31]  A. Jamrozik,et al.  Combustion of different reactivity fuel mixture in a dual fuel engine , 2017 .

[32]  Mingfa Yao,et al.  Effects of port injection of hydrous ethanol on combustion and emission characteristics in dual-fuel reactivity controlled compression ignition (RCCI) mode , 2018 .

[33]  A. Jamrozik.  The effect of the alcohol content in the fuel mixture on the performance and emissions of a direct injection diesel engine fueled with diesel-methanol and diesel-ethanol blends , 2017 .

[34]  Gholamhassan Najafi,et al.  Alcohol based automotive fuels from first four alcohol family in compression and spark ignition engine: A review on engine performance and exhaust emissions , 2017 .

[35]  R. Mamat,et al.  Cycle-to-Cycle Variations of a Diesel Engine Operating with Palm Biodiesel , 2013 .

[36]  Anren Yao,et al.  Effects of injection timing on performance and emissions of a HD diesel engine with DMCC , 2014 .

[37]  Yangyang Li,et al.  Effects of diesel injection parameters on the rapid combustion and emissions of an HD common-rail diesel engine fueled with diesel-methanol dual-fuel , 2016 .

[38]  Arkadiusz Jamrozik,et al.  A comparative study of co-combustion process of diesel-ethanol and biodiesel-ethanol blends in the direct injection diesel engine , 2017 .

[39]  Meijuan Liu,et al.  Study of cylinder-to-cylinder variation in a diesel engine fueled with diesel/methanol dual fuel , 2016 .

[40]  Han Wu,et al.  Effects of rapid burning characteristics on the vibration of a common-rail diesel engine fueled with diesel–methanol dual-fuel , 2016 .

[41]  Mohammad Al-Shannag,et al.  An Experimental Study on the Solubility of a Diesel-Ethanol Blend and on the Performance of a Diesel Engine Fueled with Diesel- Biodiesel - Ethanol Blends , 2012 .