Butterfly screen installed in wind tunnel between test section and fan blades to prevent debris from reaching fan blades if model structure fails. Protective screens deployed manually or automatically. Concept beneficial anywhere wind tunnels employed. Also useful in areas outside of aerospace industry, such as in airflow design of automobiles and other vehicles.
Screens Would Protect Wind-Tunnel Fan Blades
NASA Tech Briefs ; 16 , 10
1992-10-01
Miscellaneous
No indication
English
Permali Blades for British Aerospace Wind Tunnel
Emerald Group Publishing | 1991
Wind tunnel experiments on model reaction turbine blades
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Online Contents | 1996