Friction, Free Axes of Rotation and Entropy
AbstractFriction forces acting on rotators may promote their alignment and therefore eliminate degrees of freedom in their movement. The alignment of rotators by friction force was shown by experiments performed with different spinners, demonstrating how friction generates negentropy in a system of rotators. A gas of rigid rotators influenced by friction force is considered. The orientational negentropy generated by a friction force was estimated with the Sackur-Tetrode equation. The minimal change in total entropy of a system of rotators, corresponding to their eventual alignment, decreases with temperature. The reported effect may be of primary importance for the phase equilibrium and motion of ubiquitous colloidal and granular systems. View Full-Text
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Kazachkov, A.; Multanen, V.; Danchuk, V.; Frenkel, M.; Bormashenko, E. Friction, Free Axes of Rotation and Entropy. Entropy 2017, 19, 123.
Kazachkov A, Multanen V, Danchuk V, Frenkel M, Bormashenko E. Friction, Free Axes of Rotation and Entropy. Entropy. 2017; 19(3):123.Chicago/Turabian Style
Kazachkov, Alexander; Multanen, Victor; Danchuk, Viktor; Frenkel, Mark; Bormashenko, Edward. 2017. "Friction, Free Axes of Rotation and Entropy." Entropy 19, no. 3: 123.
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