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  2. Capillary length - Wikipedia

    en.wikipedia.org/wiki/Capillary_length

    The capillary length or capillary constant is a length scaling factor that relates gravity and surface tension. It is a fundamental physical property that governs the behavior of menisci, and is found when body forces (gravity) and surface forces ( Laplace pressure ) are in equilibrium.

  3. Drop (liquid) - Wikipedia

    en.wikipedia.org/wiki/Drop_(liquid)

    The capillary length is a length scaling factor that relates gravity, density, and surface tension, and is directly responsible for the shape a droplet for a specific fluid will take. The capillary length stems from the Laplace pressure, using the radius of the droplet. Using the capillary length we can define microdrops and macrodrops.

  4. Elasto-capillarity - Wikipedia

    en.wikipedia.org/wiki/Elasto-capillarity

    Unlike normal origami, capillary origami is the phenomenon where folding of an elastic sheet is done by capillary force. [6] [7] This phenomenon can only be seen as characteristic length of an elastic sheet is longer than elasto-capillary length and can be used in the application of self-assembly in micro and nano applications. In some cases ...

  5. Capillary number - Wikipedia

    en.wikipedia.org/wiki/Capillary_number

    Flow through the pores in an oil reservoir has capillary number values in the order of 10 −6, whereas flow of oil through an oil well drill pipe has a capillary number in the order of unity. [ 4 ] The capillary number plays a role in the dynamics of capillary flow ; in particular, it governs the dynamic contact angle of a flowing droplet at ...

  6. Eötvös number - Wikipedia

    en.wikipedia.org/wiki/Eötvös_number

    The Bond number can also be written as = (), where = / is the capillary length. A high value of the Eötvös or Bond number indicates that the system is relatively unaffected by surface tension effects; a low value (typically less than one) indicates that surface tension dominates. [ 8 ]

  7. Jurin's law - Wikipedia

    en.wikipedia.org/wiki/Jurin's_Law

    Jurin's law, or capillary rise, is the simplest analysis of capillary action—the induced motion of liquids in small channels [1] —and states that the maximum height of a liquid in a capillary tube is inversely proportional to the tube's diameter.

  8. Capillary (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Capillary_(disambiguation)

    A capillary is a small blood vessel or any small diameter tube. Capillary may also refer to: Capillary length, a characteristic length scale in fluid mechanics; Capillary action, the drawing of liquid into a tube or porous material; Capillary electrophoresis, the separation of charged species by voltage applied to a small tube

  9. Washburn's equation - Wikipedia

    en.wikipedia.org/wiki/Washburn's_equation

    The equation is derived for capillary flow in a cylindrical tube in the absence of a gravitational field, but is sufficiently accurate in many cases when the capillary force is still significantly greater than the gravitational force. In his paper from 1921 Washburn applies Poiseuille's Law for fluid motion in a circular tube.