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  • Other Sources  (4)
  • NASA Technical Reports  (4)
  • Aerodynamics  (2)
  • Aircraft Design, Testing and Performance  (2)
  • 1930-1934  (4)
  • 1934  (4)
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  • Other Sources  (4)
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  • NASA Technical Reports  (4)
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  • 1930-1934  (4)
Year
  • 1
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    Aerodynamic Investigation of a Cup Anemometer (1934)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: This thesis presents the results of an investigation wherein the change of the normal force coefficient with Reynolds Number was obtained statically for a 15.5-centimeter hemisphere cup under the following conditions: (1) single cup with no interference; (2) single cup with three-cup interference; (3) four cups. The coefficients found in this research vary with Reynolds Number and are high as compared with those of Eiffel. The effect of interference upon a single cup is to increase the drag and normal force coefficients. The curve resulting from the summation of the coefficients for four cups agrees with the static torque curve of a Robinson type cup anemometer. All tests were carried on in the University of Detroit atmospheric wind tunnel during May 1933.
    Keywords: Aerodynamics
    Type: NACA-TN-502
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    General Potential Theory of Arbitrary Wing Section (1934)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: This report gives the exact treatment of the problem of determining the 2-dimensional potential flow around wing sections of any type. The treatment is based directly on the solution of this problem as advanced by Theodorsen in NACA-TR-411. The problem condenses into the compact form of an integral equation capable of yielding numerical solutions by a direct process.
    Keywords: Aerodynamics
    Type: NACA-TR-452
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Resume of Present Data on Load Distribution on Slots and Flaps, Special Report (1934)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: This report covers a study of the generally available data on load distribution on slots and flaps. The study was made by the National Advisory Committee for Aeronautics at the request of the Material Division, Army Air Corps to furnish information applicable to design criteria for slots and flaps of various types. The data are presented in three main sections: slots (Handley page type), auxiliary airfoils (fixed), and flaps.
    Keywords: Aircraft Design, Testing and Performance
    Type: NACA-SR-19
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Preliminary Wind-Tunnel and Flight Tests of a Balanced Split Flap, Special Report (1934)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: One disadvantage that has been apparent in the operation of split flaps as used to date is the time and effort required to operate them. In this communication an investigation is being made of possible means for balancing them aerodynamically to make their operation easier. Several arrangements have been tested in the 7 by 210 foot wind tunnel, and the results of the wind-tunnel tests as well as preliminary flight tests on one of the more promising forms are given in this paper.
    Keywords: Aircraft Design, Testing and Performance
    Type: NACA-SR-23
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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