Analysis of ignition delay period of a dual fuel diesel engine with hydrogen and LPG as secondary fuels

International Journal of Hydrogen Energy, Volume 36, Issue 5, March 2011, Pages 3746-3756

Analysis of ignition delay period of a dual fuel diesel engine with hydrogen and LPG as secondary fuels

D.B. Lata, Ashok Misra

devdaslata@yahoo.com

Department of Mechanical Engineering, Birla Institute of Technology, Mesra, Ranchi 835215, India

Abstract

Experiments were performed on 4 cylinder turbocharged, intercooled with 62.5 kW gen-set diesel engine by using hydrogen, liquefied petroleum gas (LPG) and mixture of LPG and hydrogen as secondary fuels. The experiments measured ignition delay period at different load conditions and various diesel substitutions.

Results were compared with ignition delay correlation obtained other researchers for diesel and dual fuel diesel engine.Authors observed that the ignition delay of dual fuel engine depends not only on the type of gaseous fuels and their concentrations but also on charge temperature, pressure and oxygen concentration.

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