Frictional Resistance in Fiber Suspensions : 3rd Report, Frictional Resistance in Mixed Systems with Polymer Solutions

Bulletin of JSME

Online ISSN : 1881-1426
Print ISSN : 0021-3764

Frictional Resistance in Fiber Suspensions : 3rd Report, Frictional Resistance in Mixed Systems with Polymer Solutions

Hiroshi MIZUNUMA, Hiroshi KATO

著者情報

キーワード: Turbulence, Non-Newtonian Fluid, Fiber Suspension, Polymer Solution, Mixed System, Pipe Flow, Rotating Disk

ジャーナルフリー

1983 年 26 巻 219 号 p. 1567-1574

DOI https://doi.org/10.1299/jsme1958.26.1567

詳細

抄録

Turbulent drag reduction in a mixed fiber-polymer system was observed both in a pipe flow and a flow on a rotating disk. Drag reducing rate in a mixed system was approximately the sum of each rate in separate system, though the effect of fiber additives is weakened a little by mixing with an increase in polymer concentration. In addition, we observed a phenomenon that transition to turbulence was delayed in a mixed system.

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© The Japan Society of Mechanical Engineers

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