2005•Physics ExperimentationRequires access

Soup bubble method to measure surface tension coefficient

Song Mao-hai

Abstract

A simple experimental method for measuring the surface tension coefficient of a abstersion solution is introduced.In the experiment,an abstersion solution bubble connected to a precision manometer is inflated by a syringe.By measuring the pressure change inside the bubble,the surface tension coefficient can be calculated using the Young-Laplace equation.

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Available abstract

Key concepts: Bubble, Maximum bubble pressure method, Laplace pressure, Surface tension, Mechanics, Measure (data warehouse), Laplace transform, Materials science