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DEVICE WITH SECONDARY JETS REDUCING THE NOISE GENERATED BY AN AIRCRAFT JET ENGINE
DEVICE WITH SECONDARY JETS REDUCING THE NOISE GENERATED BY AN AIRCRAFT JET ENGINE
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机译:具有二次喷气的装置可降低飞机喷气发动机产生的噪声
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摘要
An aircraft jet engine including a wall centered about a longitudinal axis and surrounding a stream of gas ejected at a downstream end of the wall in the direction of the axis, primary ducts distributed at the periphery of the downstream end of the wall configured on command each to eject a jet of primary fluid to interact with the ejected stream of gas, the primary ducts of each pair converging towards one another near the downstream end of the wall so that the primary jets ejected form two sides of a triangle that meet at the vertex thereof in a view projected onto a plane perpendicular to a transverse plane, and secondary ducts each associated with each pair of primary ducts and configured on command to eject a jet of secondary fluid directed into the triangle formed by the primary jets.
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