The free-boundary problem for the die-swell of a viscous fluid

التفاصيل البيبلوغرافية
العنوان: The free-boundary problem for the die-swell of a viscous fluid
المؤلفون: Vroonhoven, J. C. W., Sipers, A. J. M., Kuijpers, W. J. J.
المصدر: Journal of Engineering Mathematics; May 1990, Vol. 24 Issue: 2 p167-178, 12p
مستخلص: When a viscous fluid is extruded from a capillary or an annular die, the thickness of the fluid jet is in general unequal to the width of the die. This phenomenon is called “die-swell” and is studied in this paper for a die made up of two parallel plates. It is assumed that no slip will occur between the fluid and the plates, and that the pressure in the space into which the fluid is emitted is constant and uniform. The fluid surface is a free streamline. Its shape is calculated with the use of complex-function theory and conformal-mapping techniques. The predicted ratio of swell is found to be in full agreement with known finite-element results.
قاعدة البيانات: Supplemental Index
الوصف
تدمد:00220833
15732703
DOI:10.1007/BF00129872