Sphere drag coefficient for subsonic speeds in continuum and free-molecule flows
1974; Cambridge University Press; Volume: 65; Issue: 2 Linguagem: Inglês
10.1017/s0022112074001443
ISSN1469-7645
Autores Tópico(s)Fluid Dynamics and Turbulent Flows
ResumoAn extensive series of measurements of sphere drag coefficients has been made in an aeroballistic range for a broad range of Reynolds and Mach numbers. These measurements have been compared with those obtained in other test facilities. As a result of this comparison it has been possible to suggest reasons for many of the inconsistencies in the earlier measurements and to establish more accurate values of the sphere drag coefficient for M ∞ [lsim ] 0·2 and 10 −2 [lsim ] Re ∞ [lsim ] 10 7 .
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