How to reduce noise in air ducts?
Answers from top 10 papers
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Papers (10) | Insight |
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14 Citations | Active silencers can provide effective solutions especially for the control of low-frequency noise in ducts. |
05 Jun 2011 8 Citations | Especially the injection of a low-density helium-air mixture shows an effective noise reduction over a wide frequency band. |
Small vents, if mounted with an acoustic silencer, can reduce noise penetration while still allowing natural ventilation to occur. | |
62 Citations | The results show that materials with low air flow resistivities lead to a noticeable flow noise reduction. |
24 Citations | A simple but effective method to reduce the noise is proposed. |
Converging ducts are also shown to be effective sound reduction mechanisms. | |
The results showed that the proposed method can effectively reduce low frequency noise in a duct. | |
6 Citations | Our studies spurred both deeper research into the nature of aerodynamic noise sources that form in air blowers and recommendations for reducing the noise produced by these sources. |
17 Citations | In this paper, we show how similarity can be used to predict the airflow noise generated by common types of duct components. |
These insights are of importance in efforts towards modeling the effects of ducts for complex noise sources such as propellers. |
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