Flow metering principles - 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
Conservation of energy in a non-viscous, incompressible fluid at steady flow.
Measure discharge from the open end of partially filled horizontal pipes
A limited comparison of flowmeter principles - regarding service, rangeability, pressure loss, typical accuracy, upstream pipe diameters, viscosity and relative costs
Convert dynamic viscosity values between units like Poiseuille - Poise - centiPoise and more.
An introduction to electromagnetic flowmeters and their principles
Flow rate or discharge in an open conduit, channel or river can be calculated with the velocity-area principle
Introduction to accuracy in flow measurement devices
Turndown ratio for flow measurement devices like orifices, venturi meters etc.
Calculate cross-sectional average velocity flow in open channels.
Volume flow from horizontal pipes
A manual providing guidance in selecting, managing, inspecting, and maintaining water measurement devices - describes standard methods and devices commonly used to measure irrigation water
The orifice, nozzle and venturi flow rate meters makes the use of the Bernoulli Equation to calculate fluid flow rate using pressure difference through obstructions in the flow.
Pitot tubes can be used to measure fluid flow velocity by measuring static and dynamic pressure difference
Sluice gates are used for controlling and measuring flow rates in open channels and rivers, mainly in connection to hydro power plants
An introduction to the target flow meters principles
An introduction to different types of fluid flowmeters - Orifices, Venturies, Nozzles, Rotameters, Pitot Tubes, Calorimetrics, Turbine, Vortex, Electromagnetic, Doppler, Ultrasonic, Thermal, Coriolis
Inclined and vertical u-tube manometers used to measure differential pressure in flow meters like pitot tubes, orifices and nozzles.
An basic introduction to the ultrasonic Doppler and Time of Flight Flow Meters
Volume flow from vertical water pipes
An introduction to vortex flowmeters
The vortex shedding frequency created around a bluff body and flow rate
Standards of weir flow measurements
Weirs can be used to measure flow rates in open channels and rivers - common for water supply and sewage plants
Online V-Notch weirs flow calculator