NASA Technical Reports Server (NTRS) 19930091294: The Variable Density Wind Tunnel of the National Advisory Committee for Aeronautics
Book details
- Title
- NASA Technical Reports Server (NTRS) 19930091294: The Variable Density Wind Tunnel of the National Advisory Committee for Aeronautics
- Publication year listed
- 1926
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
About this book
NASA Technical Reports Server (NTRS) 19930091294: The Variable Density Wind Tunnel of the National Advisory Committee for Aeronautics
Author: NASA Technical Reports Server (NTRS)
Year: 1926
This report contains an exact description of the new wind tunnel of the National Advisory Committee for Aeronautics. This is the first american type wind tunnel. It differs from ordinary wind tunnels by its being surrounded by a strong steel shell, 35 feet long and 15 feet in diameter. A compressor system is provided to fill this shell - and hence the entire wind tunnel - with air compressed to a density up to 25 times the ordinary atmospheric density. It is demonstrated in the report that the increase of the air density makes up for a corresponding decrease in the scale of the model. Hence such american type wind tunnel is free from scale effect. The report is illustrated by many drawings and photographs. All construction details are described, and many dimensions given. The method of conducting tests is also described and some preliminary results given in the report. So far, the tests have confirmed the chief feature of this wind tunnel - absence of scale effect.
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