NASA Technical Reports Server (NTRS) 19930091161: Design of Wind Tunnels and Wind Tunnel Propellers II
Book details
- Title
- NASA Technical Reports Server (NTRS) 19930091161: Design of Wind Tunnels and Wind Tunnel Propellers II
- Publication year listed
- 1921
- 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) 19930091161: Design of Wind Tunnels and Wind Tunnel Propellers II
Author: NASA Technical Reports Server (NTRS)
Year: 1921
This report is a continuation of National Advisory Committee for Aeronautics report no. 73. The variations in velocity and direction of the wind stream were studied by means of a recording air speed meter and a recording yawmeter. The work was carried on both in a 1-foot diameter model tunnel and in a 5-foot full-size tunnel, and wherever possible comparison was made between them. It was found that placing radial vanes directly before the propeller in the exit cone increased the efficiency of the tunnel to a considerable extent and also gave a steadier flow.
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