The design of wind tunnels and wind tunnel propellers

Warner, Edward P Norton, F H Hebbert, C M
naca-report-73
1920


Report discusses the theory of energy losses in wind tunnels, the application of the Drzewiecki theory of propeller design to wind tunnel propellers, and the efficiency and steadiness of flow in model tunnels of various types.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1920/naca-report-73.pdf