An obstruction in a fluid flow creates vortices in a downstream flow. Every obstruction has a critical fluid flow speed at which vortex shedding occurs. Vortex shedding is the instance where alternating low pressure zones are generated in the downstream.
These alternating low pressure zones cause the obstruction to move towards the low pressure zone. With sensors gauging the vortices the strength of the flow can be measured.
Turbidity meters
Flame ionisation detectors (analysers)
Thermal conductivity gas analysers
Pressure : Introduction
Capacitance pressure transducers
Piezoelectric pressure transducers
Ultrasound flowmeters
Turbine flowmeters
Venturi flow nozzle
Nucleonic devices : Level
Ultrasonic devices : Level
Conductance devices : Level
Instrumentation for Temperature Measurement
Optical and radiation pyrometers
Thermistors Basics
Turbidity meters
Flame ionisation detectors (analysers)
Thermal conductivity gas analysers
Temperature is a physical quantity that is a measure of hotness and coldness on a numerical scale. It is a measure of the thermal ener...
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