Viscosimeter

Virtual Lab: Falling Sphere Viscosimeter

PURPOSE: Simulation performance of laboratory works on general physics.

OBJECTIVE: Determine the dynamic viscosity of an aqueous solution of glycerine.

SUMMARY: Dynamic viscosity, the coefficient of proportionality between velocity gradient and sheer stress in a liquid, characterises how difficult it is for an object to flow through the liquid. This can be measured using a falling sphere viscosimeter of a type designed by Hoppler. It is also possible to make temperature-independent measurements in conjunction with a circulation thermostat. Measurements are made in an experiment involving an aqueous solution of glycerine. This allows the way that viscosity depends on temperature to be described by the Andrade equation.

Official web-site: http://www.virtlabs.tech

Yotube video: https://youtu.be/BBe8hvqii60

Free online-version (HTML5):http://virtlabs.tech/apps/mechanics/18_demo/simulator.html

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