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The Compressible Potential Flow Past Elliptic Symmetrical Cylinders at Zero Angle of Attack and with No CirculationFor the tunnel corrections of compressible flows those profiles are of interest for which at least the second approximation of the Janzen-Rayleigh method can be applied in closed form. One such case is presented by certain elliptical symmetrical cylinders located in the center of a tunnel with fixed walls and whose maximum velocity, incompressible, is twice the velocity of flow. In the numerical solution the maximum velocity at the profile and the tunnel wall as well as the entry of sonic velocity is computed. The velocity distribution past the contour and in the minimum cross section at various Mach numbers is illustrated on a worked out-example.
Document ID
20030064933
Acquisition Source
Langley Research Center
Document Type
Other - NACA Technical Memorandum
Authors
Hantzsche, W. (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Wendt, H. (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Date Acquired
September 7, 2013
Publication Date
October 1, 1942
Publication Information
Publication: Luftfahrtforschung
Volume: 18
Issue: 9
Subject Category
Fluid Mechanics And Thermodynamics
Report/Patent Number
NACA-TM-1030
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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