Axisymmetric wave propagation in gas shear flow confined by a rigid-walled pipeline
Chen Yonga)† 
, Huang Yi-Yonga) , Chen Xiao-Qiana) , Bai Yu-Zhua) , Tan Xiao-Dongb)
, Huang Yi-Yong
Axisymmetric wave propagation in gas shear flow confined by a rigid-walled pipeline |
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Chen Yong
, Huang Yi-Yong |
| Effects of the acoustic frequency on the relative phase velocities of the second and third modes propagating in the downstream (a) and upstream (b) directions. |
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