02.2 - Experimental Aerodynamics
DESIGN AND TEST OF THE HIGH AERODYNAMIC PERFORMANCE LOW-NOISE FAN FOR 5.5- BY 4-M ACOUSTIC WIND TUNNEL
X. Qu¹, Y. Yu¹, D. Liao¹, G. Yang¹, Q. Chen¹, G. Tang¹; ¹CARDC, China
By using the arbitrary vortex method combined various fan noise reduction techniques, a high aerodynamic performance low-noise fan is obtained for 5.5m by 4m Acoustic Wind Tunnel, it satisfies the design targets of both aerodynamic and acoustic requirements and help the open jet test section background noise level to reach the first class of the acoustics wind tunnels around the world.