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How do I stop my AC fan from making noise? 

Specific fan power
Aerodynamics
Aeroacoustics
Noise
Axial compressor

Answers from top 10 papers

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Papers (10)Insight
Journal Article•DOI
High frequency noise generation in small axial flow fans
D.A. Quinlan, P.H. Bent 
26 Nov 1998-Journal of Sound and Vibration
39 Citations
The data presented indicates that this turbulence is the dominant source of noise above 1.5 kHz for the fan tested.
Journal Article•DOI
Improving active control of fan noise with automatic spectral reshaping for reference signal
Kai Chen, Kai Chen, Roshun Paurobally, Roshun Paurobally, Jie Pan, Jie Pan, Xiaojun Qiu, Xiaojun Qiu 
01 Jan 2015-Applied Acoustics
20 Citations
In this paper, an improved algorithm for active control of fan noise is proposed.
Proceedings Article•DOI
Noise and cooling in electronics packages
R.H. Lyon, A.E. Bergles 
09 Mar 2004
9 Citations
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.
Journal Article•DOI
Effectiveness of combined aircraft engine noise suppressors
Yu. D. Khaletskiy
13 Jul 2012-Acoustical Physics
8 Citations
We demonstrate the important role of the area of the sound-absorbing liner between fan Rotor and Stator ensuring significant noise reduction.
Journal Article•DOI
Performance, aeroacoustics and feature extraction of an axial flow fan with abnormal blade angle
Chunxi Li, Qing Lin, Xueliang Ding, Xuemin Ye 
15 May 2016-Energy
26 Citations
The results show that under the abnormal condition, fan performance is lower than normal value and the noise rises.
Journal Article•DOI
Development of high-performance and low-noise axial-flow fan units in their local operating region
Seung Heo, Minho Ha, Tae-Hoon Kim, Cheolung Cheong 
12 Sep 2015-Journal of Mechanical Science and Technology
11 Citations
The noise emission from the household refrigerator is also found to be lessened when the new fan units are installed.
Proceedings Article•DOI
Development and application of a new procedure for fan noise prediction
Antoine Moreau, Sebastien Guerin 
07 Jun 2010
15 Citations
Furthermore the acoustic output at the presence of parameter variations provides guidelines for the design-to-noise of fan components.
Journal Article•DOI
Numerical calculation of centrifugal fan noise
Q Liu, Datong Qi, Yijun Mao 
01 Aug 2006
54 Citations
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.
Journal Article•DOI
Experimental study of the noise emission of personal computer cooling fans
Murray Hodgson, Isabella Li 
01 Sep 2006-Applied Acoustics
19 Citations
The results show that the noise emission of the Panaflo fan is directly related to the voltage and inversely related to the air-flow rate.
Proceedings Article•DOI
Numerical Simulation of the Downstream Fan Noise and Jet Noise of a Coaxial Jet with a Shielding Surface
Stephane Redonnet, Eric Manoha, Owen Kenning 
10 May 2004
18 Citations
A comparative study shows that the potential acoustic shielding effect is less favourable to the jet noise than to the downstream fan noise.

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