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1篇 您的检索式:作者名="M.Yonamine"
    题名 作者 年代 出处 被引量
1Study on Transonic Tone in an Axisymmetric Supersonic Nozzle显示文摘This paper describes experimental and numerical works to investigate noise phenomenon in supersonic flow discharged from a convergent-divergent nozzle.The noise phenomenon of flow is generated by an emission of 'transonic tones'.The results obtained show that the frequency of a transonic tone,that differs from the frequency of a screech tone due to the shock-cell structures in a jet and originates in the shock wave in the nozzle,increases in proportion to the nozzle pressure ratio.The high-order transonic tone has the directivity in the direction of the flow.As for the transonic tone's frequency,the separated zone was calculated by using a simple flow model considering the propagating perturbation.The results of the model corresponded to the results of this experiment well.M.Yonamine S.Jung T.Aoki 2010Journal of Thermal Science2010,19,5:1
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