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Italian and French Experiments on Wind Tunnels

Description: Given here are the results of experiments conducted by Colonel Costanzi of the Italian Army to determine the influence of the surrounding building in which a wind tunnel was installed on the efficiency of the installation, and how the efficiency of the installation was affected by the design of the tunnel. Also given are the results of a series of experiments by Eiffel on 34 models of tunnels of different dimensions. This series of experiments was started in order to find out if, by changing th… more
Date: November 1920
Creator: Knight, William
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The air forces on a model of the sperry messenger airplane without propeller

Description: From Summary: "This is a report on a scale effect research which was made in the variable-density wind tunnel of the National Advisory Committee for Aeronautics at the request of the Army Air Service. While the present report is of a preliminary nature, the work has progressed far enough to show that the scale effect is almost entirely confined to the drag."
Date: 1926%
Creator: Munk, Max M. & Diehl, Walter S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Wind Tunnel Balances

Description: Report embodies a description of the balance designed and constructed for the use of the National Advisory Committee for Aeronautics at Langley Field, and also deals with the theory of sensitivity of balances and with the errors to which wind tunnel balances of various types are subject.
Date: 1920
Creator: Warner, Edward P. & Norton, F. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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