MIL-STD-2148(SH)
12 August 1983
FOREWORD
1. This Military Standard provides instructions for the selection, instal-
lation, maintenance, and repair of vibration damping materials.
2. Noise radiated from a ship into the sea is in part due to the resonance
response of the ship's structures to applied vibratory forces. These forces,
for the most part, originate in machinery or equipment supported on foundations,
bulkheads, and decks. The turbulent flow of water around the hull of a surface
ship or submarine produces hydrodynamic forces which excite the hull plates in
vibratory motion. Damping treatments applied on these structures reduce the
amplitudes of motion and force at their numerous resonance frequencies, and thus
reduce radiated noise.
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