Accession Number:

ADP004793

Title:

Mach 3 Three-Dimensional Boundary Layer Turbulence Transport Properties on a Spherically Blunt Cone,

Descriptive Note:

Corporate Author:

NAVAL SURFACE WEAPONS CENTER SILVER SPRING MD

Personal Author(s):

Report Date:

1984-08-01

Pagination or Media Count:

24.0

Abstract:

Three-dimensional boundary layer measurements were carried out on a 7-degree semi-vertex angle conical body configuration for angles-of-attack of 0 deg, 2 deg, and 4 deg in the NSWC Supersonic Tunnel Number Two. Tests were conducted at a freestream Mach number of 3 for a nominal freestream Reynolds number of 2.3 x 1000000ft 7.5 x 1000000m on a cone with a nominal 22 spherically blunt nose. Measurements of the three mean velocity components, turbulence, intensities, and Reynolds stresses were obtained at various circumferential locations around the body for one axial station using a 3-D Laser Doppler Velocimeter system. In addition, surface Preston probe and static pressure measurements were obtained at five axial stations along the body. The effects of angle-of-attack and model roll position on the three-dimensional mean velocities, boundary layer turbulence properties, and surface parameters are discussed herein. Author

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Distribution Statement:

APPROVED FOR PUBLIC RELEASE