Fluid Flow Meters

Flow metering basics - Orifice, Venturi, Flow Nozzles, Pitot Tubes, Target, Variable Area, Positive Displacement, Turbine, Vortex, Electromagnetic, Ultrasonic Doppler, Ultrasonic Time-of-travel, Mass Coriolis, Mass Thermal, Weir V-notch, Flume Parshall and Sluice Gate flow meters and more

Bernoulli Equation

Conservation of energy - non-viscous, incompressible fluid in steady flow

Dynamic or Absolute Viscosity Converting Chart

Absolute or dynamic viscosity converting chart - units like Poiseuille - Poise - centiPoise and more

Electromagnetic Flowmeters

An introduction to electromagnetic flowmeters and their principles

Flowmeter Accuracy

An introduction to accuracy in flow measurement devices

Flowmeters Selection Guide

A guide to select between the different fluid flowmeter principles available regarding service, rangeability, pressure loss, typical accuracy, upstream pipe diameters, viscosity and relative costs

Flowmeters and Turndown Ratio

An introduction to turndown ratio for flow measurement devices as orifices, venturi meter etc.

Orifice, Nozzle and Venturi Flow Rate Meters

The orifice, nozzle and venturi flow rate meters use the Bernoulli Equation to calculate the fluid flow rate using pressure difference through obstructions in the flow

Pitot Tubes

Pitot tubes can be used to indicate fluid flow velocity by measuring the difference between the static and dynamic pressures in fluids

Sluice Gate Flow Measurements

Sluice gates are used for controlling and measuring flow rates in open channels and rivers, mainly in connection to hydro power plants

Target Flow Meters

An introduction to the target flow meters principles

Types of Fluid Flow Meters

An introduction to different types of fluid flowmeters - Orifices, Venturies, Nozzles, Rotameters, Pitot Tubes, Calorimetrics, Turbine, Vortex, Electromagnetic, Doppler, Ultrasonic, Thermal, Coriolis

U-Tube Manometer

The inclined and vertical u-tube manometers are inexpensive and common in differential pressure measurements of flow meters like pitot tubes, orifices and nozzles

Ultrasonic Doppler and Time of Flight Flow Meters

An basic introduction to the ultrasonic Doppler and Time of Flight Flow Meters

Vortex Flowmeters - a Tutorial

An introduction to vortex flowmeters

Vortex Shedding Frequency and Volume Flow Rate

The vortex shedding frequency around a bluff body and the flow rate

Water Flow Measurements

A manual providing guidance in selecting, managing, inspecting, and maintaining water measurement devices - describes standard methods and devices commonly used to measure irrigation water

Weirs - Flow Measurement Standards

Standards of weir flow measurements

Weirs - Flow Rate Measure

Weirs can be used for measuring flow rates in open channels and rivers - common in connection to water supply and sewage plants

Weirs V-Notch Flow Calculator

Online V-Notch weirs flow calculator

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