Abstract
Steady-ignition is a critical challenge of the Wave Rotor Combustor (WRC). This paper presents a continuous hot jet igniter design specifically for a 24-channel Wave Rotor Combustor. Experimental research was conducted to investigate the effects of fuel supply strategy and nozzle structure on the operational performance of the designed igniter. The research revealed that the non-premixed combustion fuel supply strategy with an equivalence ratio of 1.3 is a better choice. The performance experimental results, together with the temperature distribution on the combustion chamber wall of the igniter, contribute valuable data for optimizing the hot jet ignition system for engineering applications. Finally, the feasibility of the designed igniter was successfully validated through a single-channel WRC hot jet ignition experiment.
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