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Experimental studies on the laminar burning velocity (LBV) and the flame propagation speed close to the wall of premixed methane-air flames at a pressure of 1 bar and ambient temperature, for poor and rich mixtures, have been conducted and analyzed. The methane-air mixture LBV and flame propagation speed are studied in a constant volume combustion chamber with acrylic windows using the shadowgraph...
Developing exact models of combustion instabilities is not an easy task to carry out and requires a great deal of time prior to obtaining success. The present study proposes a low-order model for pressure oscillations that does not require any knowledge of the systems, any new physical findings nor intricate details regarding its operating condition. This new approach is obtained using a Modified...
The effects of combustion driven acoustic oscillations in carbon monoxide and nitrogen oxides emission rates of a combustor operated with liquefied petroleum gas (LPG) were investigated. Because the fuel does not contain nitrogen, tests were also conducted with ammonia injected in the fuel, in order to study the formation of fuel NO x . The main conclusions were: (a) the pulsating combustion...
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