Summary
The hydrodynamical equations of motion for a visco-elastic fluid are established. The exact solution for periodic laminar flow in a cylindrical tube and an approximate solution for flow in a film of variable thickness are given. The importance of the elasticity number N=τν/R2, determining the ratio of elastic to inertia forces, is pointed out.
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References
Reiner, M., Ten lectures on theoretical Rheology, Jerusalem 1943.
Kuvshinsky, Zh. exp. teor. Fiz.21 (1951) 88.
Richardson, E. G., Dynamics of real fluids, London 1950.
Kahlert, W., Ing. Arch. XVI,321 1948.
Additional information
Mededeling no. 84 uit hot Laboratorium voor Aero-en Hydrodynamica van de Technische Hogeschool te Delft, Nederland
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Broer, L.J.F. On the hydrodynamics of visco-elastic fluids. Appl. sci. Res. 6, 226–236 (1956). https://doi.org/10.1007/BF03185038
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DOI: https://doi.org/10.1007/BF03185038