FIELD: rocketry; liquid propellant rocket engines. SUBSTANCE: combustion chamber includes injector assembly and vibrations suppressor. According to first version, vibrations suppressor is made in form of perforated thin-walled truncated cone with evenly distributed radial plates. According to second version, vibrations suppressor is made in form of insert mounted close to injector face of injector assembly with perforated zone. Invention gives data on dimensions of hollow thin-walled truncated cone and insert. EFFECT: enhanced efficiency of suppression of high-frequency vibrations. 3 cl, 6 dwg
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