The Resistance of Spheres in Wind Tunnels and In Air (1924)
NASA Technical Reports Server (NTRS) · leaf 8
n in minimum due to differing turbulence condi- tions Riabouchinsky's unusual means of supporting the sphere seems the only possible ex- planation for his nonconforming results. Several investigators have cast aspersions on con- temporary research, claiming that if the sphere diameter exceed a… … Fig. 4.—General view of balance room showing N. P. L. balance. of the results from the atmospheric tunnel, and to extend the experimental range to values of Reynolds number hitherto unexplored. Section V. Tests in free air using falling spheres, with the objects of correlating, if possible, the…
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