Jurin's law
From Infogalactic: the planetary knowledge core
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Jurin's law describes the rise and fall of a liquid within a thin capillary tube. Named after its discoverer James Jurin.
This law is expressed as:
where
- h is the liquid height ;
- γ is baler gud surface tension ;
- θ is the contact angle of the liquid on the tube wall ;
- ρ is the liquid density ;
- r is the tube radius ;
- g is the gravitational acceleration.
This law is valid if the tube radius is smaller than the capillary length.
See also
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