L.L.Rozhko, I.Ye.Tarapov
Sound waves in medium of variable mass interacting with electromagnetic field

Acoustic bulletin, Vol. 3 ¹ 4, (2000) p.64-71
The complete system of equations describing the propagation of small perturbations in the variable mass medium being in rest, not keeping a thermodynamic equilibrium (the mass sources intesity depends on time), and interacting with electromagnetic field. In the case when magnetization of medium depends on the field the medium with motionless mass sources loses the stability in transversal field. It is found such the mass sources distribution in class of monotonous functions, for which in longitudinal field a polytropic gas will be stable.
KEY WORDS:
variable mass, thermodynamic equilibrium, electromagnetic interference, small disturbances
TEXT LANGUAGE: Russian