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  • Universal Viscosity Curve Theory
    Like any transducer, a turbine flow meter is sensitive to physical parameters other than the one which is of interest. While designed to measure flow, a turbine meter responds to the viscosity of a fluid as well as its velocity. Following is a brief discussion of the viscosity sensitivity
  • The sound of viscosity
    the material. Embedded electronics control the frequency and amplitude of the acoustic wave. Though viscosity is the degree to which a fluid resists flow, it is more specifically a measure of a fluid's molecular friction. It can be a useful property to quantify because it gives an indirect
  • A New Way to Handle Changing Fluid Viscosity and the "Full-to-empty" Effect
    This paper explains how the Ultimus( TM) V High Precision Dispenser and Optimeter (TM) maintain consistent shot size in time-pressure dispensing processes as the fluid viscosity and volume of fluid remaining in the syringe change.
  • Liquid Pumps-Viscosity Handling Characteristics
    Pumping viscous liquids can present some difficult problems. When selecting a pump, fluid viscosity must always be considered. The effects of viscosity can be better understood by looking at the behavior of viscous liquids when subjected to force. Newtonian Liquids Viscosity remains constant
  • Viscosity Standards: Mixing For The Right Blend
    the problem is originating. This level of hassle is the driving reason why operators want to pin the difficulty on the instrument. The instrument problem is easier to fix, at least in the short term. Labs, which have carefully developed policies, know that the use of viscosity standard fluids is the right
  • When Ointments Disappoint - The Viscosity Story (.pdf)
    a scientific model of how shear rate is calculated for a fluid filling the space between two parallel plates; the lower plate is stationery while the upper plate moves at a given velocity. The molecular layers move at different speeds, depending on their relative position between the plates. Shear rate
  • Understanding Fluid Degradation
    The scientific definition of oxidative degradation is the reaction of oxygen (in air) with the fluid by a free radical mechanism to form larger molecules which end up as polymers or solids. These thicken the fluid increasing its viscosity. A more viscous fluid will be more difficult to pump, have
  • Fluid Performance Factors
    The trade-offs necessary to choose a fluid involve a consideration of application requirements such as health, safety, and environmental effects, and fluid properties such as viscosity, stability, compressibility, gas solubility, and lubricity. measures how a fluid resists flow. It is the single

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