Combustion analysis of a hydrogen-diesel fuel operated DI diesel engine with exhaust gas recirculation

The rapid depletion of fossil fuel and growing demand necessitates researchers to find alternative fuels which are clean and sustainable. The need for finding renewable, low cost and environmentally friendly fuel resources can never be understated. An efficient method of generation and storage of hy...

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Bibliographic Details
Published in:Frontiers in Energy 2017-12, Vol.11 (4), p.568-574
Main Authors: LOGANATHAN, M., VELMURUGAN, A., JAMES GUNASEKARAN, E., TAMILARASAN, P.
Format: Article
Language:English
Subjects:
Alternative fuels
Automobile industry
Automobiles
Automotive engines
Automotive fuels
Combustion
combustion duration
Diesel
Diesel engines
Diesel fuels
Energy
Energy Systems
exhaust gas recirculation (EGR)
Exhaust gases
Fossil fuels
Heat release rate
heat release rate (HRR)
Heat transfer
Hydrogen
Hydrogen storage
Injection
Intake manifolds
Peak pressure
Pressure
Research Article
Thermal cycling
Trucks
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Summary:The rapid depletion of fossil fuel and growing demand necessitates researchers to find alternative fuels which are clean and sustainable. The need for finding renewable, low cost and environmentally friendly fuel resources can never be understated. An efficient method of generation and storage of hydrogen will enable automotive manufacturers to introduce hydrogen fuelled engine in the market. In this paper, a conventional DI diesel engine was modified to operate as gas engine. The intake manifold of the engine was supplied with hydrogen along with recirculated exhaust gas and air. The injection rates of hydrogen were maintained at three levels with 2 L/min, 4 L/min, 6 L/min and 8 L/min and 10 L/min with an injection pressure of 2 bar. Many of the combustion parameters like heat release rate (HRR), ignition delay, combustion duration, rate of pressure rise (ROPR), cumulative heat release rate (CHR), and cyclic pressure fluctuations were measured. The HRR peak pressure decreased with the increase in EGR rate, while combustion duration increased with the EGR rate. The cyclic pressure variation also increased with the increase in EGR rate.
ISSN:2095-1701
2095-1698
DOI:10.1007/s11708-017-0461-y