In the present study, a numerical analysis of turbulent flow in a combustion chamber in 5 milliseconds limited the Reynolds number 16700 by applying a 20 kHz wave from a Bowl-shaped diffusion source over 1 second to process temperature reduction. This study aims to improve the combustion process time and further turbulence of the flow to increase the combustion rate and reduce unburned hydrocarbons in the walls. The k - ω model uses the turbulence–chemistry interaction modeled using the eddy dissipation concept. Two methods have been proposed: relocating the nozzles and applying waves which caused Increasing CO2 combustion from 0.31 to 0.34 by decreasing the distance between nozzles. Also, a spray angle of 45° was introduced as the best angle to reduce the fuel film on the walls and improve combustion. Furthermore, using ultrasound waves, the transfer of flame concentration from the walls to the center of the chamber occurred, which reduced unburnt hydrocarbons on the walls. Wave application improves the flame and creates wrinkles at the edges of the flame, which ultimately leads to a 10% improvement in the performance of the combustion process.
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