NUMERICAL STUDY OF THE EFFECTS OF CHEMICAL KINETICS AND RADIATION MODEL ON THE VELOCITY AND TEMPERATURE FIELDS IN NATURAL GAS- OXYGEN COMBUSTION USING STEADY FLAMELET MODEL

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EBRAHIMI FORDOEI ESMAEIL; MAZAHERI KIUMARS; EHSANI DERAKHSHAN FAEZE

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Journal: FUEL AND COMBUSTION Year:2018 | Volume:11 | Issue:1 Page(s): 29-48

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Title

NUMERICAL STUDY OF THE EFFECTS OF CHEMICAL KINETICS AND RADIATION MODEL ON THE VELOCITY AND TEMPERATURE FIELDS IN NATURAL GAS- OXYGEN COMBUSTION USING STEADY FLAMELET MODEL

Author(s)

EBRAHIMI FORDOEI ESMAEIL | MAZAHERI KIUMARS | EHSANI DERAKHSHAN FAEZE | Issue Writer Certificate

Keywords

NATURAL GAS- OXYGEN COMBUSTIONQ1

FLAMELET COMBUSTION MODELQ1

RADIATION MODELQ1

CHEMICAL KINETICQ2

Abstract

The aim of this study is to investigate the effects of CHEMICAL KINETICs and RADIATION MODEL on the combustion of natural- gas- oxygen mixture using FLAMELET COMBUSTION MODEL. For this purpose, C1_C3, DRM22 and GRI3.0 CHEMICAL KINETICs mechanisms are combined with DO and P1 RADIATION MODELs in the simulations. In addition, results with and without modelling radiative heat transfer are compared. The results of FLAMELET COMBUSTION MODEL are also compared with the experimental data and PaSR combustion model. The most important advantage of using FLAMELET COMBUSTION MODEL over the PaSR model is significant reduction in the cost of calculation. According to the obtained results, C1_C3 chemical mechanism predicts the temperature distribution in the furnace with highest accuracy and the predicted flame shape is a good match with that obtained using PaSR model. The flame length obtained using DRM22 and GRI3.0 chemical mechanisms, however, is very small. In addition, using P1 RADIATION MODEL in comparison with DO leads to more computational errors in calculating the temperature distribution and the length of the high temperature region in the furnace, due to over- predicting the radiation losses.

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APA: Copy

EBRAHIMI FORDOEI, ESMAEIL, MAZAHERI, KIUMARS, & EHSANI DERAKHSHAN, FAEZE. (2018). NUMERICAL STUDY OF THE EFFECTS OF CHEMICAL KINETICS AND RADIATION MODEL ON THE VELOCITY AND TEMPERATURE FIELDS IN NATURAL GAS- OXYGEN COMBUSTION USING STEADY FLAMELET MODEL. FUEL AND COMBUSTION, 11(1 ), 29-48. SID. https://sid.ir/paper/138474/en

Vancouver: Copy

EBRAHIMI FORDOEI ESMAEIL, MAZAHERI KIUMARS, EHSANI DERAKHSHAN FAEZE. NUMERICAL STUDY OF THE EFFECTS OF CHEMICAL KINETICS AND RADIATION MODEL ON THE VELOCITY AND TEMPERATURE FIELDS IN NATURAL GAS- OXYGEN COMBUSTION USING STEADY FLAMELET MODEL. FUEL AND COMBUSTION[Internet]. 2018;11(1 ):29-48. Available from: https://sid.ir/paper/138474/en

IEEE: Copy

ESMAEIL EBRAHIMI FORDOEI, KIUMARS MAZAHERI, and FAEZE EHSANI DERAKHSHAN, “NUMERICAL STUDY OF THE EFFECTS OF CHEMICAL KINETICS AND RADIATION MODEL ON THE VELOCITY AND TEMPERATURE FIELDS IN NATURAL GAS- OXYGEN COMBUSTION USING STEADY FLAMELET MODEL,” FUEL AND COMBUSTION, vol. 11, no. 1 , pp. 29–48, 2018, [Online]. Available: https://sid.ir/paper/138474/en

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