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Free coating of a Newtonian liquid onto a vertical surface

✍ Scribed by R.P. Spiers; C.V. Subbaraman; W.L. Wilkinson

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
614 KB
Volume
29
Category
Article
ISSN
0009-2509

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✦ Synopsis

The entrainment of Newtonian liquid films onto a vertical surface which is continuously withdrawn from a bath of the liquid is considered. A new theoretical treatment is presented which is significantly different from previous theories and which predicts accurately the relationship between the dimensionless thickness parameter, T,, and the Capillary Number, Ca, up to a value of Cu of 2. Experimental results have been obtained using a capacitance technique for film thickness measurement for a variety of Newtonian fluids with viscosities ranging from 0406 to 24% N. set m-*.

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