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Viscosímetro

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Viscosímetro
DbpediaThing
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A viscometer (also called viscosimeter) is an instrument used to measure the viscosity of a fluid. For liquids with viscosities which vary with flow conditions, an instrument called a rheometer is used. Viscometers only measure under one flow condition.In general, either the fluid remains stationary and an object moves through it, or the object is stationary and the fluid moves past it. The drag caused by relative motion of the fluid and a surface is a measure of the viscosity. The flow conditions must have a sufficiently small value of Reynolds number for there to be laminar flow.At 20.00 degrees Celsius the viscosity of water is 1.002 mPa·s and its kinematic viscosity (ratio of viscosity to density) is 1.0038 mm2/s. These values are used for calibrating certain types of viscometer.
Viscosímetro
English Wikipedia http://en.wikipedia.org/wiki/Viscometer
Spanish wikipedia http://es.wikipedia.org/wiki/Viscos?metro
Wiki page external link http://www.alpha-technologies.com http://www.astm.org http://www.cambridgeviscosity.com http://www.google.com/patents/WO2013001538A1?cl=en http://www.kittiwake.com/appendix_1_viscosity_conversion_tables.htm http://www.rheosense.com/pdf/VROC-Principle.pdf

Conceptual map: Viscosímetro

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Fecha publicación: 19.4.2015

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