Detection of aerodynamic noise sources in low-speed axial fans with tip end-plates

Abstract This article reports on the use of modified blade-tip configurations designed with a view to passive noise control in low-speed fans for compact cooling units. The addition of end-plates at the tip of a datum fan blade is shown to have a positive influence on the fan's rotor-only aero-...

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Veröffentlicht in:	Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science Journal of mechanical engineering science, 2009-06, Vol.223 (6), p.1379-1392
Hauptverfasser:	Bianchi, S, Corsini, A, Rispoli, F, Sheard, A G
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic emission Acoustic noise Aerodynamic noise Aerodynamics Aerospace engineering Blade tips Coherence Cooling rate Correlation Datum (elevation) Design analysis Emissions control Fluid dynamics Fluid flow Industrial equipment Leakage Mechanical engineering Noise control Noise prediction Noise reduction Perception Plates Plates (structural members) Visualization Vortices
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