Flow Measurement
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
Bernoulli Equation
Conservation of energy - non-viscous, incompressible fluid in steady flow
California Pipe Flow Metering Method
Measure discharge from the open end of partially filled horizontal pipes
Comparing Flowmeters
A limited comparison of flowmeter principles - regarding service, rangeability, pressure loss, typical accuracy, upstream pipe diameters, viscosity and relative costs
Dynamic or Absolute Viscosity Converting Chart
Dynamic viscosity converting chart with units like Poiseuille - Poise - centiPoise and more
Electromagnetic Flowmeters
An introduction to electromagnetic flowmeters and their principles
Flow Rate Calculated with the Velocity-Area Principle
Calculate flow rate or discharge in an open conduit, channel or river based on the velocity-area principle
Flowmeter Accuracy
Introduction to accuracy in flow measurement devices
Flowmeters and Turndown Ratio - Rangeability
Turndown ratio for flow measurement devices like orifices, venturi meters etc.
Horizontal Pipes - Discharge Flow vs. Length of Discharge Flow
Volume flow from horizontal pipes
Manning's Formula for Gravity Flow
Open channel slope area flow metering
Measurement of Water Flow
A manual providing guidance in selecting, managing, inspecting, and maintaining water measurement devices - describes standard methods and devices commonly used to measure irrigation water
Orifice, Nozzle and Venturi Flow Rate Meters
The orifice, nozzle and venturi flow rate meters use the Bernoulli Equation to calculate fluid flow rate using pressure difference through obstructions in the flow
Pitot Tubes
Pitot tubes can be used to indicate fluid flow velocities by measuring the difference between the static and the 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 the differential pressure measurement with 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
Vertical Pipes - Discharge Flow vs. Height of Discharge Flow
Volume flow from vertical water pipes
Vortex Flowmeters - a Tutorial
An introduction to vortex flowmeters
Vortex Shedding Frequency and Volume Flow Rate
The vortex shedding frequency created around a bluff body and flow rate
Weirs - Flow Measurement Standards
Standards of weir flow measurements
Weirs - Open Channel Flow Rate Measurement
Weirs can be used to measure flow rates in open channels and rivers - common for water supply and sewage plants
Weirs V-Notch Flow Calculator
Online V-Notch weirs flow calculator
