A novel multi-cavity Helmholtz muffler
The internal structure of one of the Helmholtz cavities: (a) the number of the membrane is n = 0, (b) n = 1, (c) n = 2.
A novel multi-cavity Helmholtz muffler |
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The internal structure of one of the Helmholtz cavities: (a) the number of the membrane is n = 0, (b) n = 1, (c) n = 2. |
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