FIELD: air-jet engines, liquid propellant engines, plasma generators and chemical reactors. SUBSTANCE: invention is designed for heat and anticorrosive protection of walls of combustion chambers and nozzles. Proposed method includes delivery of shielding gas to beginning of zone between thermal stress object and high temperature flow. Shielding gas is supplied to said zone at supersonic speed. EFFECT: provision of reliable cooling and protection of surfaces of thermal stress object from erosion. 4 cl, 2 dwg
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