Secondary flow in a Hele-Shaw cell

Author:

Thompson B. W.

Abstract

Riegels (1938) investigated the breakdown of Hele-Shaw flow in a Hele-Shaw cell with unusually large separation distance 2h* between the walls. A theoretical outer expansion for the velocity was constructed in the case where the obstacle is a circular cylinder, using an intuitive inner boundary condition that seems to be correct in the limit h* → 0, but without explicit matching with the inner expansion.An inner expansion has now been found, and it shows that the solution in the inner layer forces terms into the outer expansion that are larger than those found by Riegels whenever h* is finite and not zero.

Publisher

Cambridge University Press (CUP)

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference10 articles.

1. Stokes, G. G. 1898 appendix to Hele-Shaw (1898b).

2. Hillman, A. P. & Salzer, H. E. 1943 Phil. Mag. 34,575.

3. Riegels, F. 1938 ZAMM,18,95.

4. Hele-Shaw, H. S. 1897 Trans. Roy. Inst. Nav. Arch. 41,21.

5. Hele-Shaw, H. S. 1898b Rept. 68th Mtg. Brit. Ass. 136.

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