Acoustic linings made from composite materials are used in what section of the engine?
- Not used to suppress noise.
- Hot section and Cold Section.
- Cold section only.
Explanation from PART66Online
Composite acoustic linings are fitted in the cold (fan, intake and bypass) sections, where temperatures are low enough for the bonded honeycomb materials to survive while absorbing fan noise. The hot section's high temperatures would damage composite linings, so they are not used there.
J
Jordi asked · 10 Jul 2020
i dont understand
Community Comments (4)
C
ciprian.serdin
17 Aug 2020
The acustic linings or panels are situate just before The fan or 1st stage compressor which îs part of the cold sectiin
J
Jordi
31 Aug 2020
thank you
H
hudson.dagge
25 Jul 2024
There is also acoustic panels located in the tailpipe however they are not made from composite materials.
J
Jordi
17 Oct 2024
thnanks
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