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Stall Warning in a Low-Speed Axial Fan by Visualization of Sound Signals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study describes the development of a novel stall-detection methodology for low-speed axial-flow fans. Because aerodynamic stall is a major potential cause of mechanical failure in axial fans, ...
Far-Field Radiation of Tip Aerodynamic Sound Sources in Axial Fans Fitted With Passive Noise Control Features
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the causal relationship between flow aerodynamics and radiated noise in low-speed axial fans. Using blades with three distinctive tip configurations, including two that ...
Experimental Aeroacoustic Studies on Improved Tip Configurations for Passive Control of Noise Signatures in Low-Speed Axial Fans
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the findings of an investigation on the use of several blade-tip configurations (modified by the addition of various end plates at the blade tip) for passive noise control ...
Stall Inception, Evolution and Control in a Low Speed Axial Fan With Variable Pitch in Motion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Obtaining the right pitch in turbomachinery blading is crucial to efficient and successful operations. Engineers adjust the rotor’s pitch angle to control the production or absorption of power. ...
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