How can I reduce the fan noise in my house?
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Application: Depending on the features of indoor spaces, an appropriate degree of indoor noise can be determined and techniques to reduce excess noise are required. | |
52 Citations | Grooved blade tips amplify the fan noise, so measures should be taken to control the noise. |
20 Sep 2017 | The air-inlet distortion is responsible for an increase of the noise radiated by both the fan and the outlet guide vane sources, leading to a global noise penalty of up to three decibels. |
Such correlations may contribute to redesign guidelines for simultaneous reduction of noise and improvement of efficiency at prescribed fan performance. | |
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 results show that the aerodynamic noise source of the fan is mainly the rotation noise under the design condition. | |
10 Citations | Therefore, the noise observeda way from a low pressure axial flow fan is mostly the turbulent noise. |
39 Citations | The data presented indicates that this turbulence is the dominant source of noise above 1.5 kHz for the fan tested. |
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. |
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