Studies on the Flow of Viscose through the Casting-Hopper of Cellophane Making Machine

I.Discussion on the Fundamental Flow Equations of Viscose

Abstract

Many investigators have studied on the fundamental flow equation of viscose up to now. Some of them found out that it agrees with Ostwald's equation.But according to the flow tests conducted by the author recently by changing the component and the condition of Viscose through pipes of various dimension, the relation between r and du/dy have resulted in the form of equation as given below;η^¤du dy=-(ι+mιⁿ) This is exactly the same as Murakami's equation introduced in poly vinyl alcohol.Incidentally, n, m, η^¤were calculated by means of Sakurada and his coworker's method.