The NCSU Low Speed Boundary Layer Wind Tunnel 851897

Procedures employed for the design of a new low speed boundary layer wind tunnel are described. The tunnel is a semi-open circuit facility for the study of large scale two-dimensional boundary layers with or without pressure gradients, A large plenum box is used as a replacement for a diffuser, 90 degree turn and noise attenuation chamber. The modular test section is seven meters long and capable of velocities from 5 to 33 m/sec. Experimental data to evaluate the tunnel performance are also described.


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