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Title: Prediction of NOX Concentration in Nonthermal Plasma-Treated Diesel Exhaust Using Dimensional Analysis
Authors: Allamsetty S.
Mohapatro S.
Keywords: Dielectric barrier discharge (DBD)
diesel exhaust
dimensional analysis
NOX removal
prediction of NOX
Issue Date: 2018
Citation: 2
Abstract: Application of the nonthermal plasma (NTP) technology for NOX removal from diesel engine exhaust has already been experimentally proved to be an efficient method at laboratory level. The NOX removal efficiency depends on various electrical and physical parameters, and very few studies have been carried out to predict it with the variation in those parameters. In this paper, an approach has been made using dimensional analysis to predict the NOX concentration with the NTP treatment, based on its dependence on various operating parameters. A relation has been obtained between NOX concentration and 11 numbers of parameters affecting NOX removal so as to form dimensionless groups. A mathematical model has been established using the experimental data and nonlinear regression technique. Experiments are conducted to validate this model with variations in the parameters voltage, flow rate, temperature, discharge gap width, and initial NOX concentration. The predicted NOX concentration values have been found to be well matched with the experimental results. The rms errors for the test data are found to be 4.64%, and in ppm, it is 9.58. � 1973-2012 IEEE.
Appears in Collections:Research Publications

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