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Related Concept Videos

Measurement of Fluid Pressure01:16

Measurement of Fluid Pressure

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Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
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Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

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In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
The orifice meter is a simple,...
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Pressure of Fluids01:14

Pressure of Fluids

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There are many examples of pressure in fluids in everyday life, such as in relation to blood (high or low blood pressure) and in relation to weather (high- and low-pressure weather systems). A given force can have a significantly different effect, depending on the area over which the force is exerted. For instance, a force applied to an area of 1 mm2 has a pressure that is 100 times greater than the same force applied to an area of 1 cm2. That's why a sharp needle is able to poke through...
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Fluid Pressure over Flat Plate of Variable Width01:02

Fluid Pressure over Flat Plate of Variable Width

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When a flat plate is submerged in a fluid, the fluid exerts pressure on the plate. This pressure can lead to many different phenomena, including drag and buoyancy. To understand the behavior of the fluid over a flat plate of variable width, it is essential to analyze the distribution of the pressure exerted.
The pressure distribution on the plate can be calculated by determining the force that acts on a differential area strip of the plate. Thus, the magnitude of the force is equal to the...
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Pressure Gauges01:20

Pressure Gauges

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Most pressure gauges, like those on scuba tanks, are calibrated to read zero at atmospheric pressure. Readings from such gauges are called the gauge pressure, which is the pressure relative to atmospheric pressure. When the pressure inside the tank exceeds atmospheric pressure, the gauge reports a positive value. Some gauges are designed to measure negative pressure. For example, many physics experiments must take place in a vacuum chamber, a rigid chamber from which some of the air is pumped...
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Fluid Pressure over Flat Plate of Constant Width01:05

Fluid Pressure over Flat Plate of Constant Width

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When a body is submerged in water, it experiences fluid pressure acting normal on its surface and distributed over its area. For better design structures, it is crucial to determine the magnitude and location of the resultant force acting on the surface. In the case of a rectangular plate of constant width submerged in water, the pressure increases with depth, resulting in a linearly varying trapezoidal pressure distribution from the upper to the lower edge of the plate.
The resultant force...
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Updated: Jul 18, 2025

High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
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A Pressure-Based Multiphase Flowmeter: Proof of Concept.

Vijay Ramakrishnan1, Muhammad Arsalan2

  • 1Aramco Americas, Houston, TX 77084, USA.

Sensors (Basel, Switzerland)
|August 26, 2023
PubMed
Summary
This summary is machine-generated.

A new multiphase flowmeter (MPFM) uses only pressure sensors for accurate oil, gas, and brine measurement. This simple, robust design simplifies operations and maintenance in the energy industry.

Keywords:
densitometerflowmetermultiphasepressure

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Area of Science:

  • Petroleum Engineering
  • Flow Measurement Technology
  • Sensor Systems

Background:

  • Multiphase flowmeters (MPFMs) are crucial for real-time oil field production monitoring.
  • Existing MPFMs are often complex, requiring significant maintenance.
  • There is a high demand for simpler, accurate MPFM solutions in the energy sector.

Purpose of the Study:

  • To develop and validate a novel multiphase flowmeter (MPFM) utilizing only pressure sensors.
  • To create an MPFM that is operationally simple and accurate for oil field applications.
  • To integrate a densitometer with a Venturi-type flowmeter for enhanced performance.

Main Methods:

  • Developed new computing models with analytical foundations.
  • Incorporated empirical correlations and machine learning for flow-regime identification.
  • Experimentally validated a prototype MPFM in a multiphase flow loop under field-like conditions.

Main Results:

  • The MPFM accurately measures gas and liquid flow rates using only pressure sensors.
  • Experimental validation confirmed robust performance across a wide range of conditions.
  • The developed MPFM demonstrates comparable accuracy to existing multiphase metering techniques.

Conclusions:

  • The described MPFM offers a robust and practical solution for multiphase flow measurement.
  • The design's simplicity reduces complexity and maintenance needs.
  • This technology has the potential to improve efficiency in oil field operations.