COMPUTATIONAL FLUID DYNAMIC ANALYSIS OF THE BASE CAVITY INTERACTIONS OF THE CAN-4 RESEARCH PROJECTILE

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Authors
  1. Fournier, E.Y.
  2. Dupuis, A.D.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
Abstract
The aerodynamics of a cone-cylinder-flare projectile at high supersonic speeds has been investigated through computational means, and the results compared with existing experimental results from DREV's aeroballistic range. Aerodynamic coefficients, base pressure surveys, base flow visualization and shock patterns over the projectile were investigated for a Mach number range of 3.5 to 5.75. A goal of this investigation was the numerical study of the effects of a base cavity on the aerodynamic behavior of this projectile. Quantitative and qualitative information was accurately modeled by the CFD code as indicated by correlations between experimental and numerical values. The results seem to indicate an independence between the aerodynamic coefficients (aerodynamic coefficients constitute some of the major parameters of this study) and the presence of a base cavity for this particular configuration.
Keywords
Computational Fluid Dynamics (CFD);Aeroballistics
Report Number
DREV-TM-9620 — Technical Memorandum
Date of publication
01 Mar 1997
Number of Pages
33
DSTKIM No
97-01761
CANDIS No
501873
Format(s):
Hardcopy;Document Image stored on Optical Disk

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