Liquid[ edit ] For liquids, various units are used depending upon the application and industry, but might include gallons U.
The volume divided by the time gives the flow rate. If the liquid is not water, what viscosity is Flow rate and viscosity lab liquid. If this is a process application, what is the size of the pipe?.
Turbine flow meters are used for the measurement of natural gas and liquid flow. When the velocity volumetric flow of incompressible liquids is measured, the presence of suspended bubbles will cause error; therefore, air and gas must be removed before the fluid reaches the meter.
It is the parameter being measured, and it helps to differentiate the onsite trend from the trend of data produced by the laboratory with a kinematic viscometer.
The piston meter operates on the principle of a piston rotating within a chamber of known volume. Most of these devices measure absolute viscosity cP and apply an algorithm to estimate the kinematic viscosity cStoften holding the specific gravity constant.
Consider trending the results from the onsite viscometer in cP. In either case, the resistance to flow or shear as a function of the input force is measured, which reflects the internal resistance of the sample to the applied force, or its dynamic viscosity.
The time taken for the fluid to flow through the capillary tube can be converted directly to a kinematic viscosity using a simple calibration constant provided for each tube. This happens in a continuous fashion and the flowrate is calculated from the speed of rotation.
The turbine wheel is set in the path of a fluid stream. The faster the flow the higher the frequency and the voltage output. Cohesion and adhesion are what cause some of the fluid to stay on the funnel. Nutating disk meter[ edit ] This is the most commonly used measurement system for measuring water supply in houses.
Spheres are allowed to fall through the fluid and they reach the terminal velocity quickly, from which the viscosity can be determined. Fall velocity[ edit ] The particle Reynolds number is important in determining the fall velocity of a particle. Measuring Viscosity Several engineering units are used to express viscosity, but the most common by far are centistoke cSt for kinematic viscosity and the centipoise cP for dynamic absolute viscosity.
Absolute and kinematic viscosity measurement techniques can produce very different results when testing used oils. Flow Meter For Petroleum Fluids. Direct reading. Install in any position. degrees rotatable guard/scale.
Easier-to-read linear scale. No flow straighteners or special piping required. Viscosity Lab – Answers Results: Corn syrup had the highest viscosity – it flowed the slowest. (Most Viscous) Water had the lowest viscosity – it flowed the fastest.
(Least Viscous) When we heated each of the liquids, the flow rates michaelferrisjr.com took less time to travel down the ramp. The viscosity of the liquids michaelferrisjr.com became less viscous.
Viscosity of Common Liquids. A mixture viscosity is the measurement of the process fluid resistance to flow. Viscosity is usually in units of centipoise (cps) but can be expressed in other industry standard measurements as well.
The Reynolds number (Re) is an important dimensionless quantity in fluid mechanics used to help predict flow patterns in different fluid flow situations.
At low Reynolds numbers, flows tend to be dominated by laminar (sheet-like) flow, while at high Reynolds numbers turbulence results from differences in the fluid's speed and direction, which may sometimes intersect or even move counter to.
Matzain et al.
() account for these distributions by describing how, in stratified flow, only the lower part of the wall will be in contact with the oil phase, and the heat transfer rate will be highest at the bottom of the pipe and will decrease upward, resulting in decreasing deposit thickness in a crescent shape.
In the case of wavy stratified flow, the wavy gas–oil interface is. Flow Rate and Viscosity Lab. Analysis: My hypothesis was correct because water was the fastest - Flow Rate and Viscosity Lab introduction.
In this experiment, my partner and I did everything correctly and to the best of our abilities.Flow rate and viscosity lab