sessile drop method
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sessile drop method
[′ses·əl ¦dräp ‚meth·əd] (fluid mechanics)
A method of measuring surface tension in which the depth and mass of a drop resting on a surface that it does not wet are measured; from this, the shape of the drop and, in turn, the surface tension are determined.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
We used the
sessile drop technique (16,17) with a goniometer to measure the contact angle, which was then used to calculate the surface free energy.
Thus the surfactant type does not affect strongly the value of the contact angle measured by
sessile drop technique but it affects overall distribution of PPT particles in the composite and its mechanical properties, investigated after long period of time and after certain thermal treatment of composite.
The
sessile drop technique was used for contact angle measurements with a NRL goniometer (Rame-Hart, Inc.).
The investigation will use
sessile drop techniques to characterize mold metal interface reactions.
It was found that methods based on static measurements, such as the ring tensiometer and the
sessile drop techniques, give values of interfacial tension lower than dynamical methods, such as the drop deformation technique.
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