It is shown theoretically and experimentally that acoustic isolation or "noise reduction" (NR) of spacecraft structure can be computed and measured by conventional methods developed for rectangular box; some features of NR of axisymmetric spacecraft shells are then discussed and it is indicated how these calculations relate to LF (below 50 cps) noise reduction of rectangular box; finally, effect of double-wall sandwich construction of current space vehicle on its acoustical behavior is discussed.
Modeling of spacecraft for low-frequency noise reduction
U S Naval Research Laboratory -- Shock Vibration Bul 35
1966
8 pages
Article (Journal)
English
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Low-frequency noise reduction of spacecraft structures
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