APPLICATION OF AXISSYMMETRIC PROFILE ANALYSIS FOR MEASURING SURFACE TENSION AT HARMONIC SURFACE OSCILLATIONS

Authors

  • С. А. Жолоб Physicochemical Centre, Donetsk Medical University, 16, Ilych Avenue, Donetsk, 83003, Ukraine
  • A. V. Makievski SINTERFACE Technologies, Volmerstr. 5-7, 12489 Berlin, Germany
  • R. Miller MPI for Colloids and Interfaces, 14424 Potsdam/Golm, Germany
  • В. Б. Файнерман Physicochemical Centre, Donetsk Medical University, 16 Ilych Avenue, Donetsk 83003, Ukraine

Keywords:

drop shape equation, nonlinear optimization, search for minimum distance, profile analysis tensiometry, surface tension oscillation.

Abstract

The profile analysis tensiometry as a development of the standard analysis of axissymmetric drop shape was used for measuring the surface tension of drops and bubbles of different configurations. A “Quick Search” algorithm was applied to calculate the orthogonal distance between the experimental profile points and the theoretical profile. An acceptable stability of the results was established in a range for up to 60% of drop/bubble volume changes. The parameters of the surface visco-elasticity were estimated on the basis of these surface tension measurements.

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References

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Published

2012-11-15

How to Cite

Жолоб, С. А., Makievski, A. V., Miller, R., & Файнерман, В. Б. (2012). APPLICATION OF AXISSYMMETRIC PROFILE ANALYSIS FOR MEASURING SURFACE TENSION AT HARMONIC SURFACE OSCILLATIONS. METHODS AND DEVICES OF QUALITY CONTROL, (2(29), 25–32. Retrieved from https://mpky.nung.edu.ua/index.php/mpky/article/view/48

Issue

Section

MEASUREMENT OF PHYSICAL AND MECHANICS PARAMETERS OF SUBSTANCES