![Figure 1 from SOUND SPECTRUM MEASUREMENTS IN DUCTED AXIAL FAN UNDER STALL CONDITIONS AT FREQUENCY RANGE FROM 9000 HZ TO 9600 HZ | Semantic Scholar Figure 1 from SOUND SPECTRUM MEASUREMENTS IN DUCTED AXIAL FAN UNDER STALL CONDITIONS AT FREQUENCY RANGE FROM 9000 HZ TO 9600 HZ | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/0f404ca0dd288ae2c40a80a5924350da4a66afc4/3-Figure1-1.png)
Figure 1 from SOUND SPECTRUM MEASUREMENTS IN DUCTED AXIAL FAN UNDER STALL CONDITIONS AT FREQUENCY RANGE FROM 9000 HZ TO 9600 HZ | Semantic Scholar
![Rotating Stall Control in an Axial Fan with Pulsed-Direct-Current Plasma Actuation | Journal of Propulsion and Power Rotating Stall Control in an Axial Fan with Pulsed-Direct-Current Plasma Actuation | Journal of Propulsion and Power](https://arc.aiaa.org/cms/10.2514/1.B37267/asset/images/medium/figure1.gif)
Rotating Stall Control in an Axial Fan with Pulsed-Direct-Current Plasma Actuation | Journal of Propulsion and Power
![Optimum fan selections for a common duty point, fan selection strategy... | Download Scientific Diagram Optimum fan selections for a common duty point, fan selection strategy... | Download Scientific Diagram](https://www.researchgate.net/publication/258384001/figure/fig4/AS:323971787575299@1454252301402/Optimum-fan-selections-for-a-common-duty-point-fan-selection-strategy-one-nonstalling.png)
Optimum fan selections for a common duty point, fan selection strategy... | Download Scientific Diagram
![Rotating Stall Control in an Axial Fan with Pulsed-Direct-Current Plasma Actuation | Journal of Propulsion and Power Rotating Stall Control in an Axial Fan with Pulsed-Direct-Current Plasma Actuation | Journal of Propulsion and Power](https://arc.aiaa.org/cms/10.2514/1.B37267/asset/images/medium/figure20.gif)
Rotating Stall Control in an Axial Fan with Pulsed-Direct-Current Plasma Actuation | Journal of Propulsion and Power
![Energies | Free Full-Text | Effects of the Second-Stage of Rotor with Single Abnormal Blade Angle on Rotating Stall of a Two-Stage Variable Pitch Axial Fan Energies | Free Full-Text | Effects of the Second-Stage of Rotor with Single Abnormal Blade Angle on Rotating Stall of a Two-Stage Variable Pitch Axial Fan](https://www.mdpi.com/energies/energies-11-03293/article_deploy/html/images/energies-11-03293-g001.png)