Longitudinal and torsional oscillations of a rod in a viscoelastic fluid |
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| Authors: | F T Akyíldíz |
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| Institution: | (1) Ondokuz MayAkyíldízs University Arts and Science Faculty Department of Mathematics Kurupelit, Samsun 55139 Fax: +90(362)4576081 Turkey, TR |
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| Abstract: | The flow of a viscoelastic fluid due to the torsional and longitudinal oscillations of an infinite circular rod is examined.
The idealized equation of state to characterise this liquid is of the implicit Oldroyd-B model, for which momentum equations
are solved analytically. The effect of the Weissenberg number and the viscosity ratio on the flow field are discussed. Also,
the axial shear force and torque on the rod are computed.
Received: 14 March 1997 Accepted: 14 May 1998 |
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| Keywords: | Oldroyd-B model axial force and torque |
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