https://orcid.org/0000-0002-1280-6234
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ABSTRACT
In this present work, performance and emission levels have been investigated using renewable and sustainable fuels derived from different agricultural residues. For the same injected pilot fuel, producer gas operation with redgram stalk (RGS) derived fuel provided improved liquid fuel saving. Downdraft gasifier was integrated with 4 stroke direct injection water cooled 5.2 kW CI engine at 1500 rpm and run under dual fuel mode using diesel/honge oil methyl ester (HOME)-producer gas. Experimental investigation showed that the gasifier-engine system with diesel-RGS derived producer gas dual fuel operation results in 13.05% higher brake thermal efficiency. Diesel-producer gas (RGS) operation showed the 16.1% decreased exhaust gas temperature and the 12.1% higher nitric oxide (NOx) emission compared to HOME based dual fuel operation. NOx emissions for the HOME based engine operation were found to be lower than the diesel based operation; however, the smoke, hydrocarbon, and carbon monoxide emissions were higher. Diesel fuel saving about 56% was achieved by diesel-producer gas (RGS) dual fuel operation and 100% biofuel utilization in HOME-producer gas dual fuel operation. Further, cylinder pressure and heat release rates for HOME-producer gas (RGS) were marginally lesser than the diesel based operation
Nomenclature
| CI | = | Compression Ignition |
| PG | = | Producer Gas |
| SBS | = | Soyabean Stalk |
| CS | = | Chilli Stalk |
| DI | = | Direct Injection |
| CR | = | Compression Ratio |
| BTE | = | Brake Thermal Efficiency |
| EGT | = | Exhaust Gas Temperature |
| HC | = | Hydro Carbon |
| CO | = | Carbon Monoxide |
| CO2 | = | Carbon Dioxide |
| IOP | = | Injection Opening Pressure |
| bTDC | = | before Top Dead Centre |
| HCC | = | Hemispherical Combustion Chamber |
| HSU | = | Hartridge Smoke Unit |
| CA | = | Crank Angle |
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Notes on contributors
K. M. Akkoli
Mr. K. M. Akkoli is assistant professor working in Hirasugar institute of Technology, Nidasosi, Karnataka, India. He has 15 years of teaching experience and published several papers in reputed journals. Currently he is doing research on the utilization of low calorific value gas for power generation applications.
P. B. Gangavati
Dr. P. B. Gangavati, is a professor working in Basaveshwar Engineering College, Bagalkot, Karnataka, India. He has 30 years of teaching experience and published several papers in reputed journals. He has guided many research scholars. and developed many thermal engineering labs. His subjects of interest are thermaodynamics, heat transfer, I. C. Engine, Fluid mechanics.
N. R. Banapurmath
Dr. N. R. Banapurmath is a Professor working in BVB College of Engg and Tech, KLE Technological Univesrity, Hubli. Karnataka, India. He has 28 years of teaching experience and published several papers in reputed journals and conference proceedings. He has guided many research scholars. and developed thermal engineering and Nono-technology labs. His subjects of interest are thermaodynamics, heat transfer, I. C. Engine, Fluid mechanics, Nano-Technology. He has written text book for under graduate students.
V. S. Yaliwal
Dr. V. S. Yaliwal is a Assistant Professor working in SDM College of Engg and Tech, Dharwad. Karnataka, India. He has 26 years of teaching experience and published several papers in reputed journals and conference proceedings. He is guiding research scholars and developed thermal engineering labs. His subjects of interest are thermaodynamics, heat transfer, I. C. Engine, Fluid mechanics, Automobile Engineering. He has written text book for under graduate students.