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
Address of the Editorial Office and the Publisher

NONSTATIONARY GAS DISCHARGE FROM 
A SEMICLOSED CAVITY

A. V. Podanev and T. V. Podaneva

UDC 532.5

A mechanism of formation of pressure  fluctuations in 
a  closed  cylindrical cavity filled with  compressed 
gas  is studied.  Pressure  fluctuations  occur  with 
sudden rupture of the cavity over the entire section. 
Boundary conditions imposed on an  open  boundary  in 
the case of quick interchange of discharge and inflow  
through it  are  suggested. A comparative analysis of 
the nonstationary process  of  intense  gas discharge 
from cylindrical and conical cavities closed from one 
side is made.

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