Bulat, P V, Esakov, I I, Grachev, L P and Volkov, K N (2021) Combustion of lean fuel mixtures with subcritical streamer microwave discharge. IOP Conference Series: Materials Science and Engineering, 1047(1), 012052. ISSN (print) 1757-899X
Abstract
A sub-critical microwave discharge is used to achieve a stable ignition and combustion of lean air-fuel mixtures in a long tube. The microwave discharge is burnt at the presence of initiator with the quasi-optical microwave beam. The resonance way of initiation of a microwave discharge is more effective compared to traditional plasma-assisted ways of ignition and stabilization of combustion. The experimental observations show that ignition and combustion of a lean air and propane mixture in a long tube is achieved at low ignition limit with fuel/air ratio lower than 0.55. The results obtained are useful for design of new and improvement of the existing plasma-assisted technologies in aviation industry.
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