Múltiples alturas de equilibrio en capilares cónicos
Keywords:
Interaction with surfaces, capillary flows, micro flows phenomenaAbstract
An analysis, based on the method of extremals of the energy, to compute the equilibrium heights of a liquid that penetrates spontaneously capillaries of variable cross-section (divergent or convergent cones, with small slope angles, $\alpha $, of the generatrix) is presented. The general criterion that allows characterizing the equilibrium heights or depths, is given as a function of $\alpha $, the Bond number, $Bo$, and the contact angle,~$\theta$.Downloads
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