How can we figure out different types of fluid flows through level gauges based on the physical properties?

Atiyeh Karkhaneh Jafary Level gauges in petrochemical industries help monitor fluid levels, and selecting the right type depends on the physical properties of the fluid. These properties include density (specific gravity), viscosity, transparency, and cleanliness. Let’s break this down using simple examples from daily life:

Heavy Fluids (Specific Gravity > 1): Think of honey or syrup in a bottle. These fluids are dense and flow slowly. For such fluids, displacer level gauges or magnetostrictive gauges are suitable because they can measure weight and displacement caused by the fluid's higher density.

Light Fluids (Specific Gravity < 1): Imagine vegetable oil or gasoline, which are lighter than water and float on top. For these fluids, float-type level gauges or magnetic level indicators work well, as they rely on buoyancy to track the level accurately.

Viscous Fluids (High Viscosity): Picture honey versus water. Honey moves slowly and can stick to surfaces, similar to crude oil. Radar level gauges or ultrasonic sensors are ideal here, as they measure levels without direct contact, avoiding sticking and clogging issues.

Clean Fluids (Transparent or Filtered): Water and milk are examples of clear fluids where sight glass gauges are effective. These gauges allow visual inspection, making it easy to spot levels directly.

Dirty or Slurry Fluids (Containing Solids): Imagine muddy water or sand-mixed slurries. These require guided wave radar gauges or capacitance probes that can tolerate particles and avoid blockages.

Interface Measurement (Two Immiscible Fluids): Oil and water in the same container form separate layers. Displacer level gauges or differential pressure transmitters measure the interface between the two layers effectively based on density differences.

By analyzing specific gravity, viscosity, clarity, and contamination levels, the correct gauge can be selected to suit the fluid’s properties.

Understanding this simplifies identifying the right tool for reliable measurements in various industrial settings.

Atiyeh Karkhaneh Jafary

Thank you for your comprehensive and useful reply. However, I have another issue. There is no available data for recognizing whether the fluid is clean, dirty, or dark. The only data available pertains to the physical properties of the fluid, which may help specify whether it is light or heavy, as well as its interface type. I was wondering if there are any possible ways to assign a type to the fluid (clean, dirty, or dark) based on its physical properties

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