Accession Number:

AD0870952

Title:

Normal Force on Fin-Flare Combinations at Mach Numbers from 1.1 to 4.5,

Descriptive Note:

Corporate Author:

ARMY MISSILE RESEARCH DEVELOPMENT AND ENGINEERING LAB REDSTONE ARSENAL AL AER OBALLISTICS DIRECTORATE

Personal Author(s):

• Burt, James Robert, Jr

Report Date:

1970-04-28

Pagination or Media Count:

25.0

Abstract:

A study of normal force on several slender fin-flare combinations is presented. The configurations were tested at Mach numbers of 1.1, 1.2, 1.3, 1.4, 1.5, 1.75, 2.5, 3.5, and 4.5. Angle of attack was carried from about -6.5 to 8.5 degrees. The effects due to varying Mach number on total model normal force and normal force due to the fins plus fin-body flow field interference are shown. Estimates of normal force of the fins plus fin-body interference are made from linearized small perturbation theory and compared to the test results. Author

Descriptors:

• *HYPERVELOCITY PROJECTILES
• SUPERSONIC CHARACTERISTICS
• FINS
• FLARED AFTERBODIES
• FLOW FIELDS
• FORCE(MECHANICS)
• PERTURBATION THEORY

Subject Categories:

• Test Facilities, Equipment and Methods
• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE