| 摘要 |
System for ventilating a combustion chamber wall in a turbomachine comprising a diffuser ( 12 ) mounted at the inlet of the combustion chamber ( 14 ) and comprising an annular end-piece ( 28 ) that extends downstream to means ( 42 ) for injecting ventilation air, an annular convecting metal sheet ( 100 ) being arranged radially between the combustion chamber and the end-piece of the diffuser in order to delimit, with an internal wall of the chamber, an annular stream ( 90 ) for the flow of air that is stable and without separation supplying holes in the chamber and the injection means.
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