Journal of Engineering Physics and Thermophysics is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex "A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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ON PROPAGATION OF LINEAR WAVES IN A CYLINDRICAL 
CHANNEL WITH A PERMEABLE WALL

V. Sh. Shagapov and N. M. Khlestkina

UDC 532.529.534.2

Problems  on  propagation of harmonic waves  and of waves of 
finite duration in a cylindrical channel filled  by a liquid 
or  a  gas  and  surrounded by a porous permeable  space are 
considered. A wave equation describing the dynamics of small 
disturbances in a cylindrical  channel with a permeable wall 
is obtained. Results of the analysis  of wave  evolution are 
presented for the cases of channel filling by  a  liquid and 
a gas.

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