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Calculated and measured pressure distributions over the midspan section of the NACA 4412 airfoil
Pressures were simultaneously measured in the variable-density tunnel at 54 orifices distributed over the midspan section of 5 by 30 inch rectangular model of the NACA 4412 airfoil at 17 angles of attack ranging from -20 degrees to 30 degrees at a Reynolds number of approximately 3,000,000. Accurate data were thus obtained for studying the deviations of the results of potential-flow theory from measured results. The results of the analysis and a discussion of the experimental technique are presented.
Date:
March 25, 1936
Creator:
Pinkerton, Robert M.
System:
The UNT Digital Library
Annual Report of the Boy Scouts of America: 1937
Annual report submitted by the Boy Scouts of America to Congress describing highlights from 1937, activities, service reports, finance, honors, organizational leadership, and other information about scouting programs.
Date:
March 25, 1938
Creator:
Boy Scouts of America
System:
The Portal to Texas History