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Prediction of Biodiesel Combustion, CO and NOX Emission Characteristics in Accordance with Equivalence Ratio  

Lim, Young Chan (Graduate School of Mechanical Engineering, Kongju National University)
Suh, Hyun Kyu (Div. of Mechanical and Automotive Engineering, Kongju National University)
Publication Information
Journal of the Korean Society of Combustion / v.21, no.1, 2016 , pp. 1-7 More about this Journal
This study was performed to provide the basic information of the combustion, CO and $NO_X$ characteristics of biodiesel in accordance with equivalence ratio. The closed homogeneous reactor model used for the analysis. The analysis conditions were set to 900 K of the initial temperature, 20 atm of initial pressure and equivalence ratio was changes from 0.6 to 1.4. The results of analysis were predicted and compared in terms of combustion temperature, combustion pressure, CO and $NO_X$ emissions. The results of combustion characteristics showed that ignition delay was decreased and the combustion temperature and combustion pressure was increased in accordance with equivalence ratio. CO emission was decreased in lean condition(${\Phi}$ < 1.0), however, CO emission was increased in rich condition(${\Phi}$ > 1.0) because oxygen supply insufficient. $NO_X$ emission showed the largest amount in condition 0.8 of equivalence ratio because the oxygen concentration was sufficient.
Biodiesel; Constant-volume fixed-mass reactor; Combustion temperature; Combustion pressure; Equivalence ratio; Ignition delay;
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Times Cited By KSCI : 9  (Citation Analysis)
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