Laminar burning velocity of oxy-methane flames in atmospheric condition

The effect of hydrogen addition on the flame behavior of a non-premixed oxy-methane jet in a lab-scale furnace

“…Compared with an air-used flame as an oxidizer, the adiabatic flame temperature and the burning velocity of an oxy-fuel flame are higher [6]. The intense combustion of the oxy-fuel flame results in higher flame stabilization and better ignition [7,8].…”

“…CCS (Carbon capture and storage) has been suggested to reduce greenhouse gases (CO 2 , CH 4 , N 2 O, SF 6 etc.) because the greenhouse gases have been blamed for causing global warming and climate change [3].…”

Experimental analysis of oxygen-methane combustion inside a gas turbine reactor under various operating conditions

“…At a ratio of 21% oxygen in the oxidizer, the Reynolds number is increased to a level that prevents any reactions to take place due to the sharp reduction in the mixture residence time. Actually, the increased amount of CO 2 in the combustion zone resulted in modifications in species and temperature distributions as well as decreasing the burning velocity [38,40]. This can be attributed to the lower thermal conductivity of CO 2 , chemical effects of CO 2 , high molar heat capacity of CO 2 and the modifications in the radiative heat transfer.…”

“…In cases of high CO 2 concentrations, the flow Reynolds number is increased due to the increased flow rate due to the high molecular weight of CO 2 [16,38,40e42]. It was found that increasing the flow Reynolds number results in lower burning velocity which directly affects the flame stability [40]. Also, the results showed improvement in the flame stability when the percentage of oxygen was increased in the oxidizer mixture.…”

“…This flame lift continued to occur until the oxygen percent drops below 25%, and any further reduction in the oxygen percent was found to cause flame blowout. As a matter of fact, the percentage of oxygen to carbon dioxide in the oxidizer mixture is the most effective controlling parameter of the burning velocity [40]. The composition of the oxidizer is another parameter that affects the flow field and accordingly the burning velocity.…”