Phys. Rev. Lett. 59, 2059–2062 (1987)Turbulent drag reduction by polymers: A quantitative theorySee Also: Erratum Received 20 July 1987; published in the issue dated 2 November 1987 By use of the recently proposed model of the dynamics of a macromolecule in transient extensional flows, the effective viscosity increase in turbulence due to unraveling macromolecules is calculated, and a relation between this viscosity increase and a drag reduction parameter (the slope increment) is derived. The predictions of the theory are in good agreement with experiment. © 1987 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.59.2059
DOI:
10.1103/PhysRevLett.59.2059
PACS:
47.25.-c, 36.20.Ey, 47.50.+d
See AlsoErratum: Gregory Ryskin, Erratum: ‘‘Turbulent drag reduction by polymers: A quantitative theory’’ [Phys. Rev. Lett. 59, 2059 (1987)], Phys. Rev. Lett. 66, 968 (1991). |
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