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Syringe Viscometer

Syringe Viscometer. Viscosity. The property of resistance to flow in a fluid or semi fluid. (From Webster) Property of a fluid in which layers of the fluid exert shear forces on each other. Viscosity = kg/(m-s) or slug/(ft-s). The Instrument. Composed of: Syringe (50cc)

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Syringe Viscometer

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  1. Syringe Viscometer

  2. Viscosity • The property of resistance to flow in a fluid or semi fluid. (From Webster) • Property of a fluid in which layers of the fluid exert shear forces on each other. • Viscosity = kg/(m-s) or slug/(ft-s)

  3. The Instrument • Composed of: • Syringe (50cc) • 5 different size tubes • Drain beaker • Stop watch

  4. Process • Fill the syringe with the fluid in question. • Use a constant force to displace the fluid into the beaker in 5cc increments. • Take an average of the time it takes for each 5cc to be forced out. • Switch tubing and repeat for all remaining tubes.

  5. Process (Continued) • To find viscosity use a modified form of Bernoulli’s equation : h=(D2*hl*p)/(32*L*v) h=viscosity, D=Diameter, p=density, L=Length, v=average velocity • Plot each average on a tube size versus time graph • Compare the slope (which should be the viscosity) of the graph with the result from Bernoulli’s equation.

  6. Conclusions

  7. References www.allveterinarysupply.com Used for picture of syringe.

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