| 摘要 |
The invention concerns a noise attenuator intended to be fitted to a mortar for projecting shells in an initial direction, the mortar comprising a tube (12) extending along an axis forming the initial direction, the attenuator (10) being intended to be mounted to a free end of the tube (12), called the mouth of the tube (12), an axis (11) of the attenuator (10) then coinciding with the axis of the tube (12). According to the invention, the attenuator comprises a plurality of partitions (14, 15, 16 and 17) extending in a substantially annular manner relative to the axis (11) of the attenuator (10), so as to allow the passage of a blast of gas between the partitions (14, 15, 16 and 17), the blast of gas being generated when a shell is projected.
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