Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
28 (1985), S. 23-25
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A viscous jet is not usually observed to separate from a sharp edge in the manner expected theoretically. In the present paper the separation of a creeping jet emerging from a tube with a rounded exit is considered. As a separation criterion, in the absence of surface tension, we propose that the traction normal to the nozzle surface drops to zero at the separation point. Boundary-element calculations then show a behavior that agrees with experimental data and with previous finite-element computations. They also permit the Michael condition to be observed at separation, so that the discrepancy between finite-element calculations and theory is removed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.865185
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