Tip clearance noise of axial flow fans operating at design and off-design condition

Journal of Sound and Vibration

Volumn 275, Issue 3-5, 2004, Pages 1027-1050

  Fukano, T ^a   Jang, C M ^a  

^a KYUSHU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; FANS; NATURAL FREQUENCIES; ROTORS; SENSORS; SPURIOUS SIGNAL NOISE; VORTEX FLOW;

HOT WIRE SENSORS; LEAKAGE VORTEX; TIP CLEARANCE (TC) FLOW;

AXIAL FLOW;

EID: 3042567437     PISSN: 0022460X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0022-460X(03)00815-0     Document Type: Article

References (9)

1. Inoue M., Kuroumaru M. Structure of tip clearance flow in an isolated axial compressor rotor. American Society of Mechanical Engineers, Journal of Turbomachinery. 111(3):1989;250-256.
2. Storer J.A., Cumpsty N.A. Tip leakage flow in axial compressors. American Society of Mechanical Engineers, Journal of Turbomachinery. 113:1991;252-259.
3. Lakshminarayana B., Zaccaria M., Marathe B. The structure of tip clearance flow in axial flow compressors. American Society of Mechanical Engineers, Journal of Turbomachinery. 117:1995;336-347.
4. Longhouse R.E. Control of tip-vortex noise of axial flow fans by rotating shrouds. Journal of Sound and Vibration. 58:1978;201-214.
5. Fukano T., Takamatsu Y., Kodama Y. The effects of tip clearance on the noise of low pressure axial and mixed flow fans. Journal of Sound and Vibration. 105:1986;291-308.
6. Kameier F., Neise W. Experimental study of tip clearance losses and noise in axial turbomachines and their reduction. American Society of Mechanical Engineers, Journal of Turbomachinery. 119:1997;460-471.
7. Fukano T., Saruwatari H., Hayashi H., Isobe H., Fukuhara M. Periodic velocity fluctuation in the near wake of a rotating flat-plate blade and their role in the generation of broadband noise. Journal of Sound and Vibration. 181:1995;53-70.
8. Jang C.-M., Ogata N., Furukawa M., Fukano T. Characteristics of three-dimensional flow field and velocity fluctuation near the rotor tip in an axial flow fan. Transactions of the Japan Society of Mechanical Engineers. 68(673):2002;2460-2466. (in Japanese).
9. Curle N. The influence of solid boundaries upon aerodynamic sound. Proceedings of the Royal Society A. 231:1955;505-514.