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Expansion—contraction behaviour of non-Newtonian jets

✍ Scribed by W. Kozicki; C. Tiu

Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
590 KB
Volume
23
Category
Article
ISSN
0009-2509

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✦ Synopsis

An analysts of the expansion-contraction behavlour of lammar viscoelastlc non-Newtoman Jets IS presented which extends previous analyses by conslderatlon of the anomalous behavlour, as characterized by an effective velocity of shp, exhibited by the fluid at the solid-fluid Interface An apparent improvement m agreement IS realized m the first devlatonc normal stress ddference (PI1 -P2J obtamed m the high shear rate remon by the extrusion method with values obtamed by near linear extrapolation of rheogomometer data for the low shear rate reDon when this allowance for the anoma-.lous behavlour IS made m the evaluation of the normal stress difference

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