What is Capillary Action?
Key concepts of capillarity:
- Surface tension driven
- Adhesion vs cohesion
- Contact angle effects
- Tube radius influence
Calculate Capillary Rise and Wetting Properties
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Calculate the height of liquid rise in a capillary tube.
Calculate the wetting force on a vertical plate.
Calculate meniscus properties in a capillary tube.
Key concepts of capillarity:
Understanding wetting:
Factors affecting meniscus:
Capillary action is important in:
h = 2γcos(θ)/(ρgr)
Where γ is surface tension, θ is contact angle
F = γL cos(θ)
Where L is contact line length
ΔP = 2γ/r
Pressure difference across meniscus