TEMPERATURE RISE CONTROLLABLE ANECHOIC SOUND ABSORBER USING TWO DIFFERENT KINDS OF SCATTERING PARTICLE AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Sep 12, 2016
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May 27, 2016
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The present disclosure relates to a temperature controllable anechoic sound absorber using two different kinds of scattering particles and a method for manufacturing the same. More specifically, a temperature rise controllable anechoic sound absorber using two different kinds of scattering particles, which absorbs a sound wave which is transmitted through a medium, includes a composite material which induces a scattering process of the sound wave and has a first scattering particle and a second scattering particle; and a base material which fills a base of the absorber during the scattering process of the sound wave. Herein, volume content ratios of the base material, the first scattering particle, and the second scattering particles are adjusted so that a heat capacity of the absorber is within a set heat capacity range.
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