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Surface tension is an important factor in the phenomenon of capillarity. Surface tension has the dimension of force per unit length, or of energy per unit area. [4] The two are equivalent, but when referring to energy per unit of area, it is common to use the term surface energy, which is a more general term in the sense that it applies also to ...
Surface tension diagram of a liquid droplet on a solid substrate. The surface of the liquid has the shape of a ... and can be recorded as a video format. [8] ...
(σ: surface tension, ΔP max: maximum pressure drop, R cap: radius of capillary) Later, after the maximum pressure, the pressure of the bubble decreases and the radius of the bubble increases until the bubble is detached from the end of a capillary and a new cycle begins. This is not relevant to determine the surface tension. [3]
A: The bottom of a concave meniscus. B: The top of a convex meniscus. In physics (particularly fluid statics), the meniscus (pl.: menisci, from Greek 'crescent') is the curve in the upper surface of a liquid close to the surface of the container or another object, produced by surface tension.
In the equation, m 1 and σ 1 represent the mass and surface tension of the reference fluid and m 2 and σ 2 the mass and surface tension of the fluid of interest. If we take water as a reference fluid, = If the surface tension of water is known which is 72 dyne/cm, we can calculate the surface tension of the specific fluid from the equation.
This image is a derivative work of the following images: File:SurftensionDiagram.png licensed with PD-user-w . 2007-09-01T14:57:35Z Karlhahn 350x192 (2130 Bytes) {{Information |Description=Author: Karl Hahn Subject: Illustrative diagram of surface tension forces on a needle floating on the surface of water (shown in crossection).
A classical torsion wire-based du Noüy ring tensiometer. The arrow on the left points to the ring itself. The most common correction factors include Zuidema–Waters correction factors (for liquids with low interfacial tension), Huh–Mason correction factors (which cover a wider range than Zuidema–Waters), and Harkins–Jordan correction factors (more precise than Huh–Mason, while still ...
Water potential is the potential energy of water per unit volume relative to pure water in reference conditions. Water potential quantifies the tendency of water to move from one area to another due to osmosis, gravity, mechanical pressure and matrix effects such as capillary action (which is caused by surface tension).