Know the Various Types of Liquid Flow Meters
Posted by proteusindustriesinc on September 9th, 2019
The use of liquid flow measurement is important is a number of different industries which include power, oil, water and waste treatment. These industries need to know the accurate amount of liquid being flowed through a point. Liquid flow meters are utilized to determine the volume of liquid flowing through in order to determine the amount that needs to be billed or the quantity of product being produced. A liquid flow meter is an instrument utilized to gauge linear, non-linear, mass or volumetric rate of a liquid flow. It is used in a number of different application such as natural sources, pipelines, chambers, tanks, industry usable chambers, etc. Available with diverse technical features and mechanisms, the particular application defines the capacity and type of the liquid flow meter. The distinction in the functional method and technical aspects is based on their areas of applications, operational values and nature of liquid that is being measured by them. Liquid flow meters are utilized by a broad range of industrial sectors.
What are Various Types of Liquid Flow Meters?
Based on the nature of application, the particular liquid and the construction, including material, there a different types of liquid flow meters. Here are the 6 fundamental categories of the liquid flow meters.
1. Differential Pressure Flow Meters
Being the most common flow meter in use, it has primary and secondary component. The first component changes the kinetic energy and the second one measure the differential pressure, which produces a signal that can be changed to get the flow rate. They can further be divided into Venturi Tube, Orifice Plate, Flow Tube, Flow Nozzle, and Rotameter. A differential pressure flow meter gauge the deferential pressure across an orifice where the liquid flow is directly proportional to the square root of the differential pressure produced. The most common use of a differential pressure flow meter is within the oil and gas industry. It is also used in chemical, paper, mining, pharmaceutical, water, beverage and HVAC (Heating, Ventilation, And Air Conditioning) applications
2. Velocity Flow Meters
This flow meter operates directly with the volume flow rate. It translates the data of the velocity of water into its volume. When the flow meter is used with Reynolds number greater than 10,000, the flow meter becomes insensitive to the viscosity change of the fluid. They can be divided into Vortex Shedding, Turbine, Swirl, Electromagnetic, Ultrasonic Doppler, Pilot Tubes, and Calorimetric.
3. Positive Displacement Flow Meters
Positive displacement flow meters gauge the capacity filled with liquid, transport it further and fill it again. This way it measures the quantity of liquid being transferred. In contrary to all other types of liquid flow meters, a positive displacement flow meter gauges the actual flow of any liquid whereas others calculate a different parameter and then convert the values into flow rate. The flow of liquid is gauged by the number of times the chamber is filled and emptied. This include Oval Gera, Reciprocating Piston Meter, Rotary Vane Meter, and Nutating Disc. Positive displacement flow meters are well known for their precision. They are most commonly used in the transfer or fluids like oils and gasoline, hydraulic fluids along with domestic use for gas and water applications.
4. Mass Flow Meters
This flow meter measures the mass of fluid flowing through a particular point per unit time. This flow meter consists of Coriolis and Thermal Flow Meter. When it comes to mass related procedures, mass flow meters are the most efficient ones as they gauge the force that is produced by the acceleration of mass. Usual applications for mass flow meters are related to chemical procedures in gas industries. Along with that, mass flow meters are used by power, pharmaceuticals, mining and wastewater.
5. Closed pipe flow meter:
The closed pipe flow meter is a type of flow meter that is used for fluids flowing in a closed conduit like sewer, kitchen pipeline, water pipeline, fuel pipeline, etc. and the open channel includes measuring the flow in a non-constricted area. The meters are placed near the pipelines to get the accurate result and it is displayed on the meters attached to the conduits.
6. Open Channel Flow Meters
It refers to the liquid flowing in the free surface and analyzes the flow rate by measuring the water depth. Weirs and Flumes are the two categories of open channel flow meters. These overflows or structures similar to a dam, let a restricted or concentrated free flow of the liquid on the basis of the innovative size and shape of the structure. Open channel flow meter provides with the reading of the flow rate needs to be calculated. Most common application of these meters include free flowing liquids such as rivers, irrigation channels, streams and sewer or wastewater systemsTop Searches - Trending Searches - New Articles - Top Articles - Trending Articles - Featured Articles - Top Members
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