Journal of Research in Ecology
JRE
Ecology
http://ecologyresearch.info/
0
2319-1546
2319-1554
en
2016
07
29
4
1
online
1
fulltext
en
An optimized kinetic model for H2-O2 combustion in jet-stirred reactor at atmospheric pressure
Ecology
Original Research
An optimized kinetic model for hydrogen combustion in a jet-stirred reactor was proposed based on a validated mechanism. The rate constants were optimized using a genetic algorithm to minimize the prediction error of the outlet species’ concentrations. The reference experimental data of jet-stirred reactor were selected from the literature. Optimization was established with and without constraints. Then, the kinetic models were evaluated using the relative errors in predicting the concentrations of major species at the outlet (H2, O2 and H2O) and their accuracy in the calculation of ignition delay times. The comparison of experimental and calculated ignition delay time using unconstrainedly optimized model, rejected the optimization of kinetic model without any constraints. The optimized kinetic model showed a relatively better performance than the original model, especially under atmospheric conditions. At higher pressures and very rich conditions, the deviations from experimental data became greater than the original model
Hydrogen combustion, genetic algorithm, jet-stirred reactor
137
146
http://ecologyresearch.info/ documents/EC0071.pdf
Seyed
Mahdi
Hedayatzadeh
No
Chemical Engineering Department, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
Mohammad
Soltanieh
msoltenieh@sharif.edu
Yes
Chemical Engineering Department, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
Esmaeil
Fatehifar
No
1.Chemical Engineering Department, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran. 2.Environmental Engineering Research Center, Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran
Amir
Heidarinasab
No
Chemical Engineering Department, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran
Mohammad
Reza
Jafari
Nasr
No
Chemical Engineering Department, Tehran Science and Research Branch, Islamic Azad University, Tehran, Iran