Document Type
Dissertation
Date of Award
Spring 5-31-1974
Degree Name
Doctor of Engineering Science in Chemical Engineering
Department
Chemical Engineering and Chemistry
First Advisor
Ching-Rong Huang
Second Advisor
John E. McCormick
Third Advisor
Teddy Greenstein
Fourth Advisor
Henry Zatzkis
Fifth Advisor
Dimitrios P. Tassios
Abstract
A nonlinear viscoelastic model has been developed to describe the non-Newtonian viscosities and the primary normal stress differences of high polymers at steady-state shearing flow.
It has been demonstrated that the Huang-Shangkuan model gives the best representation of the experimental data for a wide range of shear rates. In the high shear rate region the Huang-Shangkuan model is distinguished among other models by its capability to predict the nonNewtonian viscosities and the primary normal stress differences Which the other models fail to predict.
Continuum mechanics, Lodge's network theory and Rouse's theory provide specific information in developing our model. The theoretical aspect of this model is also supported by the experimental data, Which were taken using the accurate Weissenberg rheogoniometer.
Recommended Citation
Shangkuan, Yon-Li, "A nonlinear viscoelastic model" (1974). Dissertations. 1292.
https://digitalcommons.njit.edu/dissertations/1292
