Cross flow past successively positioned circular cylinders

Белов, И. А.; Kudryavtsev, N. A.

doi:10.1007/bf00836559

Cited by 1 publication

(2 citation statements)

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“…When the radii of the cylinders are equal and the times are small enough, in contrast to the steady flow past two circular cylinders [18], in the case of unsteady motion started from rest the drag coefficient of the downstream (second) cylinder is greater than the drag coefficient of the upstream (first) one. The explanation of this phenomenon is the following.…”

Section: Hydrodynamic Force Interactionmentioning

confidence: 99%

“…The most important elements of heat exchangers are circular tubes (cylinders) [17]. In some cases the situation is such that the cross viscous flow past two cylinders has to be used [18]. It is of particular interest to investigate the formation and the initial stage of development of unsteady boundary layers around two circular cylinders which initiate translational motion from rest with a velocity varying as some power of time.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Boundary layer growth on two circular cylinders

Kalitzova-Kurteva

Zapryanov

1991

J Eng Math

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This paper deals with the problem of boundary layer growth on two circular cylinders in a flow with large Reynolds and Strouhal numbers. Analytic solutions for the stream function of the inner and outer flow field are obtained to the second order by using the method of matched asymptotic expansions. The dependence of the movement of the detachment points and the drag coefficients of the two cylinders on (i) the distance between them, (ii) the ratio of their radii, (iii) the Reynolds number and (iv) the acceleration parameter of the flow is investigated. The results obtained indicate that the mutual hydrodynamic interaction between two cylinders leads to some new relations and findings.

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Section: Hydrodynamic Force Interactionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%