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FORWARD PART OF AN AIRCRAFT PROPULSION UNIT NACELLE COMPRISING A MAIN PROPAGATION PATH FOR FORCES BETWEEN AN AIR INTAKE LIP AND A BACK SKIN OF AN ACOUSTIC PANEL
FORWARD PART OF AN AIRCRAFT PROPULSION UNIT NACELLE COMPRISING A MAIN PROPAGATION PATH FOR FORCES BETWEEN AN AIR INTAKE LIP AND A BACK SKIN OF AN ACOUSTIC PANEL
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机译:飞机推进装置NACELLE的前部,包括进气口唇缘和声学面板背面蒙皮之间力的主要传播路径
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摘要
A forward part of an aircraft propulsion unit nacelle, comprising an air intake lip, an acoustic panel, and a rigid connection between the acoustic panel and the air intake lip. The acoustic panel has a resistive surface and a back skin, and the rigid connection is formed between the air intake lip and the back skin of the acoustic panel to form a propagation path for forces between the air intake lip and the back skin. This configuration gives freedom from design constraints, which enables an increase in the acoustic treatment region toward the front of the nacelle. An aircraft propulsion unit comprising a nacelle having such a forward part is also provided.
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