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Fundamental study on super-mixing combustion enhanced by resonance between micro shear layer and acoustic excitation

机译:微剪切层与声学激发之间的共振增强的超混燃燃烧的根本研究

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In order to embody extremely high-speed diffusion combustion, micro shear layers around a fuel jet of 1mm width are excited by acoustic resonance. In cold-flow experiments, Schlieren visualization and flow measurement by hot-wire anemometer show that the marked amplification of turbulence is induced by acoustic excitation with frequencies proportional to nozzle-exit velocity. Analogously, combustion characteristics are confirmed to be so much enhanced in term of visual observation as well as temperature and concentration measurements, which proves the effectiveness of the present combustion control system.
机译:为了体现极高的高速扩散燃烧,通过声谐振激发1mm宽度的燃料射流周围的微剪切层。在冷流实验中,通过热线风速计的Schlieren可视化和流量测量表明,通过与喷嘴出口速度成比例的频率,通过声激发诱导湍流的标记放大。类似地,在视觉观察期间以及温度和浓度测量的术语中确认燃烧特性是如此多的增强,这证明了本发明的燃烧控制系统的有效性。

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