2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85192The equation of state for gas stream as analog of well-known equation of state of gas medium in the static conditions is submitted. The connection of parameters of state and motion, and also the volume-flow rate and the mass-flow rate of the gas stream during change of its temperature and pressure as the result of external action is shown on example of modification of the represented equation.Fluid Dynamicstext