Spin-line deflection

The system of equations shown in Figure 4 are those of Seorge(2), except for the addition of the spin-line deflection terras, S, the slope of the spin line with respect to the vertical, and Y, the distance from the vertical axis through the spinneret hole. Both these terms are illustrated in Figure 3. 

Schematic diagram of the Carri-med Spin Line Rheometer (Jones et al., 1987). Air pressure, A forces test liquid the reservoir B through tube C to the spinning nozzle D, where it is drawn down by the rotating drum E. Liquid is scraped from the drum by F and falls into the beaker G. The feed tube C also acts as a force spring, whose deflection is measured by LVDT, H. Fiber diameter is reccxrded with a video camera near J. The whole apparatus is contained in an environmental chamber.

The electron spin entered quantum mechanics in two different ways. The first was the explanation, by Goudsmit and Uhlenbeck (1925), of the Zeeman splitting of the spectral lines of atoms by a magnetic field (1896) and of the Stern and Gerlach deflection of the trajectory of atoms by an inhomogeneous field (1922). The electron... 

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