Numerical investigation on response characteristics of bi-swirl coaxial injector under oscillating backpressure
Wei Chu,
Yiheng Tong,
Xiuqian Li
et al.
Abstract:The response characteristics of the bi-swirl coaxial injector under oscillating backpressure were investigated numerically based on coupled level-set and volume of fluid model. The backpressure oscillation frequency was set ranging from 1000 to 5000 Hz. The frequency and amplitude response characteristics of liquid films were analyzed under different injection conditions. The amplitude of the pressure response inside the injector was determined by the acoustic damping of the system. Due to the central gas core… Show more
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