Abstract
In this study, the computational fluid dynamic is applied to investigate the impact of the upstream wavy surface on the mixing rate of the hydrogen fuel jet. The flow feature analyses are also performed to disclose the man influence of the upstream wavy surface on the mixing zone and fuel penetration in the downstream of the jet. To simulate the jet interaction with supersonic free stream, Navier-Stokes equations are coupled with conservation equations of energy and species equation. Since the interaction of the transverse fuel jet with a supersonic mainstream is a complex, a three-dimensional model with high resolution is produced for our investigations. The impact of the supersonic Mach number on the efficiency of the fuel mixing in the presence of the sinusoidal wavy surface. Comprehensive parametric studies are done to reveal the influence of the jet pressure and wavy profile on the mixing performance in the downstream of the jet. According to obtained results, the mixing rate of the fuel in the downstream increases more than 35% when the free stream Mach number is increased from 2 to 4.
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