THERMODYNAMICS - ENTROPY AND THE SECOND LAW - ENTROPY	NC State University Faculty Access
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Description: The area between coaxial cylinders is filled with a Newtonian fluid, Glycerine, and a suitable tracer, food color mixed with Glycerine. When the inner cylinder is rotated, the tracer appears to be mixed but is distributed in a fine one armed spiral sheet. Reversing the direction of inner cylinder rotation will cause the original tracer pattern to reappear. Purchased/Built: built Setup Time: 2 days Quant. in Demo Room: 1 Demo References Freier and Anderson Hm-2 Ink seems to be mixed in glycerine but can be unmixed. The Video Encyclopedia of Physics Demonstrations Disc 13-08 Glycerine between two concentric cylinders. Animation. The American Journal of Physics AJP 28(4),348 The area between coaxial cylinders is filled with a Newtonian fluid and a suitable tracer. When the inner cylinder is rotated, the tracer appears to be mixed but is distributed in a fine one armed spiral sheet. Reversing the direction of inner cylinder rotation will cause the original tracer pattern to reappear.
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