A study on the effect of hydrogen enriched intake air on the characteristics of a diesel engine fueled with ethanol blended diesel |
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| Affiliation: | 1. Research Scholar, Department of Mechanical Engineering, Annamalai University, Annamalainagar, India;2. I.C. Engines and Automotive Research Centre, Department of Mechanical Engineering, Annamalai University, Annamalainagar, India;3. Department of Mechanical Engineering, E.G.S. Pillay Engineering College, Nagapattinam, Tamilnadu, India;4. Department of Mechanical Engineering, Bharath Institute of Higher Education and Research (BIHER), Chennai, India;1. JSC R&D Center at FGC UES, 22/3, Kashirskoye Shosse, Moscow 115201, Russia;2. LLC ITC “DonEnergoMash”, 344006, Rostov-on-Don, Suvorova St., 38a, office 13, Russia;3. LLC RPE “Donskie Technologii”, 346400, Novocherkassk, St. Mikhailovskaya, 164A, Russia;4. Federal State Budgetary Institution of Science “Federal Research Centre The Southern Scientific Centre of The Russian Academy of Sciences”, 344006, Rostov-on-Don, St. Chehova, 41, Russia;1. National Engineering Research Center of Chemical Fertilizer Catalyst, School of Chemical Engineering, Fuzhou University, Gongye Road 523, Gulou District, Fuzhou, Fujian 350002, PR China;2. Qingyuan Innovation Laboratory, Quanzhou, Fujian 362801, PR China;1. Chemical Technology Division, Bhabha Atomic Research Centre (BARC), Mumbai 400085, India;2. Homi Bhabha National Institute (HBNI), Mumbai 400094, India;3. Chemical Engineering Division, Bhabha Atomic Research Centre (BARC), Mumbai 400085, India;1. New Energy Materials Research Center, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, People''s Republic of China;2. School of Physics and Electronic Engineering, Hubei University of Arts and Science, Xiangyang, 441053, People''s Republic of China;3. Institute of Advanced Semiconductors & Zhejiang Provincial Key Laboratory of Power Semiconductor Materials and Devices, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, Zhejiang 311200, People''s Republic of China;4. College of Management & Technology, Zhejiang Technical Institute of Economics, Hangzhou, 310018, China;1. School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China;2. School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;3. SAIC General Motors Corporation Limited, Shanghai 200120, China;1. High-Performance Computing Unit (CECC-HCU), Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand;2. Center of Excellence on Catalysis and Catalytic Reaction Engineering (CECC), Chulalongkorn University, Bangkok, 10330, Thailand;3. Khajondetchairit Research Group, Chulalongkorn University, Bangkok 10330, Thailand;4. Rittiruam Research Group, Chulalongkorn University, Bangkok 10330, Thailand;5. Saelee Research Group, Chulalongkorn University, Bangkok 10330, Thailand;6. School of Chemistry, Institute of Science, Suranaree University of Technology, 111, University Avenue, Nakhon Ratchasima, 30000, Thailand;7. National Nanotechnology Center, National Science and Technology Development Agency, 111 Thailand Science Park, Pathum Thani, 12120, Thailand |
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| Abstract: | This work aims to replace conventional diesel fuel with low and no carbon fuels like ethanol and hydrogen to reduce the harmful emission that causes environmental degradation. Pursuant to this objective, this study investigated the performance, combustion, and emission characteristics of the diesel engine operated on dual fuel mode by ethanol-diesel blends with H2 enriched intake air at different engine loads with a constant engine speed of 1500 rpm. The results were compared to sole diesel operation with and without H2 enrichment. The ethanol/diesel was blended in v/v ratios of 5, 10, and 15% and tested in a diesel engine along with a 9 lpm H2 flow rate at the intake manifold. The results revealed that 10% ethanol with 9 lpm H2 combination gives the maximum brake thermal efficiency, which is 1% and 4.8% higher than diesel with and without H2 enrichment, respectively. The brake specific fuel consumption of the diesel-ethanol blends with H2 flow increased with increasing ethanol ratio in the blend. When the ethanol ratio increased from 5 to 10%, in-cylinder pressure and heat release rate were increased, whereas HC, CO, and NOx emissions were decreased. At maximum load, the CO and HC emission of 10% ethanol blend with 9 lpm H2 case decreased by about 50% and 28.7% compared to sole diesel. However, NOx emission of the same blend was 11.4% higher than diesel. From the results, the study concludes that 10% ethanol blended diesel with a 9 lpm H2 flow rate at the intake port is the best dual-fuel mode combination that gives the best engine characteristics with maximum diesel replacement. |
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| Keywords: | Diesel Ethanol Hydrogen Dual fuel Performance Emission |
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