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摘要
A numerically exact full Navier-Stokes counterpart of the asymptotic nonlinear solution in Hagen-Poiseuille flow proposed by Smith & Bodonyi (Proc. R. Soc. A, vol. 384, 1982, pp. 463-489) is discovered. The solution takes the form of a spiral travelling wave, with a novel feature being a strong induced component of swirl. Our solution shows excellent quantitative agreement with the asymptotic theory at Reynolds numbers of the order of 10(8).
- 出版日期2013-12
