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Моделирование экспериментов по измерению поверхностного натяжения по форме поверхности капли при наличии несовершенств в ее подвесе или опоре

Authors: Rechkalov, V. G.; Beskachko, V. P.;

Моделирование экспериментов по измерению поверхностного натяжения по форме поверхности капли при наличии несовершенств в ее подвесе или опоре

Abstract

Предлагается метод нахождения формы поверхности капли, закреленной на державке, имеющей произвольную форму и ориентацию в пространстве. Метод позволяет находить геометрические характеристики (объем, площадь поверхности, форму сечений) висящей капли при несовершеном подвесе и моделировать связанные с таким подвесом погрешности в определении поверхностного натяжения, возникающие в условиях натуных экспериментов. Выполненные численные эксперименты показывают, что главным фактором, влияющим на точность определения поверхностного натяжения, является нарушение круговой симметрии державки. We suggest a technique to determine surface shape for a drop suspended to a hanger of an arbitrary form and orientation in space. This technique allows researchers to obtain geometrical characteristics (such as volume, surface area, cross-sectional areas) of the drop suspended to a flawed hanger, and to find experimental errors in determining surface ension that are associated with using such hanger. Our numerical experiments show that the main source of error in determining surface tension is braking of circular symmetry of the hanger. Речкалов Виктор Григорьевич - кандидат педагогических наук, доцент, кафедра общей и теоретической физики, Южно-Уральский государственный университет. E-mail: viktor-rechkalov@mail.ru Бескачко Валерий Петрович - профессор, доктор физико-математических наук, кафедра общей и теоретической физики, Южно- Уральский государственный университет Rechkalov Viktor Grigorevich is Cand. Sc. (Pedagogical), Associate Professor, General and Teoretical Physics Department, South Ural State University. E-mail: viktor-rechkalov@mail.ru Beskachko Valeriy Petrovich is Dr. Sc. (Physics and Mathematics), Professor, General and Theoretical Physics Department, South Ural State University

Country
Russian Federation
Keywords

измерение поверхностного натяжения, numerical methods, surface tension measurements, УДК 544.77, численные методы, ГРНТИ 30.17, форма капли, the shape of a drop, УДК 532.6

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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