Liquid pipeline silencing system based on underwater wide-low-frequency sound insulation metal-based metamaterial design
A technology for liquid pipelines and sound insulation materials, which is applied in the direction of pipe components, mechanical equipment, pipes/pipe joints/pipes, etc. simple structure
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[0056] A liquid pipeline noise reduction system designed based on underwater wide and low frequency sound insulation metal-based metamaterials. Its noise reduction effect is realized based on wide and low frequency underwater sound insulation materials: relying on the principle of impedance mismatch, the material has extremely low impedance , it has a better effect on wide and low frequency underwater sound.
[0057] Such as Figure 3-4 and Figure 6-7 As shown, the overall structure of the liquid pipeline muffler system is divided into five parts, which are respectively the inlet cylinder tube 8 at the head end of the muffler system connected to the upper water inlet pipe and the connecting flange 5, which are connected to the lower outlet pipe The outlet cylindrical through pipe 9 and the connecting flange 5 at the end of the muffler system, and the square main structure 3 for muffler. The square main structure 3 contains a cavity inside, and the inside of the cavity is cov...
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