FLOW OF A POLYMER SOLUTION BETWEEN
TWO ROTATING ROLLS 
D. A. Berezinskii and A. V. Kosterin

UDC 532.135,532.546

A new model of calendering the film of a viscoelastic 
polymer solution based on the principles of mechanics of saturated 
porous media is suggested. The point of exit of the film from the 
gap is not prescribed as is done in traditional approaches but is 
determined from the condition of adhesion strength of the contact 
of the polymer with the rolls. An analytical solution of the stationary 
problem is obtained. Disturbances of this solution caused by periodic 
changes in the thickness of an incoming flow or a pulling rate are 
investigated.

N. G. Chebotarev Scientific-Research Institute of Mathematics 
and Mechanics at the Kazan State University, Kazan, Tatarstan; 
email: Alexander.Kosterin@ksu.ru. 
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 75, No. 2, pp. 112-118, 
March-April, 2002. Original article submitted May, 2001.

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