Titlebook: Capillary Surfaces; Shape — Stability — Dieter Langbein Book 2002 Springer-Verlag Berlin Heidelberg 2002 Helium-Atom-Streuung.capillary su

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Capillary Shape and Stability,Two equivalent methods of deriving the capillary equation are considered here. They are based on

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Oscillations of Liquid Columns,The resonance frequencies of liquid columns are a result of the balance between the kinetic energy of motion and the potential energy of the resulting surface enlargement.

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Microgravity Experiments in Sounding Rockets, Spacelab and EURECA,Launch date 13 Dec. 1977; number of experiments 11.

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Cylindrical Containers,is smaller than the sum . of angles in a triangle. If that sum exceeds ., a liquid volume pressed into the wedge by gravity or rotation breaks into droplets on reduction of the force. This is particularly important in long cylindrical vessels with a filling level sufficiently high for the end sections to be completely covered by liquid.

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Finding a School Technological Partnerany experimental study or procedure in materials science or in the life sciences which may gain from performance under microgravity conditions, at least one fluid phase is involved. A fluid means a liquid or a gas. The most obvious effects of microgravity are the constancy of fluid-static pressure,

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Roshayu Mohamad,Karen Manning,Arthur Tatnallme, constant angular momentum, constant frequency of rotation, etc. A solution of the capillary equation, however, is not automatically stable. One may have reached a saddle point or even a maximum of the energy instead. Around an extremum, the energy of the liquid can be represented by a quadratic

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V. Shanmugarajeshwari,M. Ilayarajah bridges give rise to attraction and thus may lead to an rearrangement of arrays of spheres. The stability of liquid bridges between parallel plates is considered in this chapter. In the absence of gravity, these bridges are sections of unduloids, catenoids or nodoids. If the contact angles with th

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Hussain H. Alyas,Alharith A. Abdullah adjacent solid faces. The location and handling of liquids require the application of wetting aids and wetting barriers such as sharp edges or coatings. At a wetting barrier, the liquid surface winds from the contact angle with the better-wetting face to the contact angle with the worse-wetting fac