How to reduce noise in tower fan?
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|---|---|
48 Citations | The experimental results show that a good coupled modification not only could reduce the fan noise but also could advance the fan performance and extend the operating range. |
52 Citations | Grooved blade tips amplify the fan noise, so measures should be taken to control the noise. |
39 Citations | The data presented indicates that this turbulence is the dominant source of noise above 1.5 kHz for the fan tested. |
| Such correlations may contribute to redesign guidelines for simultaneous reduction of noise and improvement of efficiency at prescribed fan performance. | |
22 Citations | The flow in the fan casing also contributes to the low frequency noise: Here the flow along those parts of the volute is important which is close to the impeller periphery, specifically the cut-off area. |
10 Citations | Therefore, the noise observeda way from a low pressure axial flow fan is mostly the turbulent noise. |
18 Citations | The results indicate the limits of maximum noise reduction which manufacturers may expect using existing fan designs and also indicates the methods for achieving maximum noise reduction for these configurations. |
| The method described and applied in this work provides a good qualitative prediction of the noise generation when designing a new fan, thus facilitating the choice of the lowest noise fan from several feasible alternatives. | |
| This noise may have both tonal and random components and is strongly dependent on the way that the fan is placed in the unit and on how close its operation is to the design operating point. | |
27 Citations | Although the main contribution to fan noise generation is due to mechanical sources, the bands in which aerodynamic noise is generated by these fans correspond to frequencies especially unpleasant to the human earl Therefore, the research presented in this paper may be of considerable interest, establishing a starting point for the design of quieter and more efficient fans. |
Related Questions
What are some ways to reduce noise pollution?3 answersThere are several ways to reduce noise pollution. One approach is to use acoustic systems that can reduce noise by controlling the transmission of acoustic waves through the structure. Another method is to implement greening systems, such as modular green roof systems, which have been shown to effectively reduce noise pollution in buildings. Additionally, the use of green wall systems, particularly hydroponic systems, has been found to be efficient in reducing noise impact in urban environments. It is also important to implement control measures for the abatement of noise pollution, such as the hierarchy of control for reducing hearing loss. Overall, the goal is to plan future urban infrastructures while considering existing acoustic environments and implementing new solutions to design, preserve, and improve acoustic environments for the health and quality of life of individuals.
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