Numerical investigation of methane-air counterflow premixed flame into a newly designed plus-shaped chamber with platinum and rhodium catalysts coated walls

Ali Edalati nejad; Sayyed Aboozar Fanaee; Maryam Ghodrat

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Numerical investigation of methane-air counterflow premixed flame into a newly designed plus-shaped chamber with platinum and rhodium catalysts coated walls

机译：Numerical investigation of methane-air counterflow premixed flame into a newly designed plus-shaped chamber with platinum and rhodium catalysts coated walls

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In the current investigation, the counterflow methane/air premixed flame is placed in a plus-shaped burner and analyzed with and without platinum and rhodium catalytic walls. The effect of having the catalysts near the flame on the flame structure and pollutant emission is studied. To solve the problem, ReactingFOAM solver of OpenFOAM platform is used. OpenFOAM is an open-source CFD software that use object-oriented C~(++) custom-written codes. The ReactingFOAM uses PISO and Simple coupled algorithm method to solve the governing equations. Results indicated that the emission of NO_2 is influenced, considerably by the presence of platinum near the lean, stoichio-metric, and rich flame. It is also found that the presence of rhodium at the vicinity of the counterflow flame leads to a decrease in the CO formation for the flame with equivalence ratio of 0.7, 1, and 1.3 by 63, 18, and about 0%, respectively.

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《Combustion science and technology》 |2023年第12期|2598-2613|共16页
作者
Ali Edalati nejad; Sayyed Aboozar Fanaee; Maryam Ghodrat;
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作者单位

Department of Mechanical Engineering, University of Birjand, Birjand, Iran;

School of Engineering and Information Technology, University of New South Wales Canberra, Canberra, Australia;

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正文语种英语
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Unsteady counterflow flame; ReactingFOAM solver; platinum/rhodium catalytic combustion; plus-shaped chamber;

Numerical investigation of methane-air counterflow premixed flame into a newly designed plus-shaped chamber with platinum and rhodium catalysts coated walls

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