Acoustics Reduction in Marine Vessel Using Active Noise Cancellation System | |
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( Volume 2 Issue 3,March 2016 ) OPEN ACCESS | |
Author(s): | |
R. Bala Anand, K.S. Arun, K. Baskaran, R. Daniel | |
Abstract: | |
Noise from anthropogenic sources is considered as a world-wide problem for marine biosphere, and recent studies have shown a wide range of adverse effects in various species. Underwater noise from shipping is widely accepted as a vital and prevalent pollutant with the capability to impact marine ecosystems on a global scale. Recent researches have confirmed an alarming effect of shipping noise on aquatic life. It is clear from previous researches that the noise is proportional to the speed of ship and their size. The smaller ships had little effect on noise and the military ships were comparatively quiet but their technology is unrevealed. However, we have proposed a possible solution to reduce the noise from ships. The active noise cancelling principle could be effectively installed in large ships. A three dimensional wave cancellation technique has been developed to reduce the noise. The main idea is to actively cancel the noise and phase out in order to reduce the amplitude which will in turn reduce the effect of noise pollution on flora and fauna. |
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