what is the principale of vortex flow meter.

Answer Posted / sanjay lashkari

vortex flowmeters utilise the phenomenon called vortex
shedding that occurs when a fluid flows against a
non-streamlined obstruction, termed a bluff body. the
peripheral layers of the fluid are unable to follow the
defined contours of the bluff body & seperate from its
surfaces to form vortices that are swept downstream. (
kamran vortex street).
the shedding frequency is directly proportional to the free
velocity over a wide range of flow, excluding the laminar
region.
these vortices manifest themselves as sinusoidal pressure
variations.these pressure variations are converted in to
sinusoidal current signal.

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the use of single seated valve?

581


How to find out the current of two motors having same power consumption but different RPM?

1530


What is difference between ESD and PLC please Explain me clearly.

4363


Hi, Is there any smart plant instrumentation design training institute in Bangalore?

1190


What is the basic difference between Modbus and CAN Open Protocols

5805






how many types of preheaters are in cement industry & what r they can any body explain?

1307


How to calibrate Field bus transmitter? procedure ?

1818


I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

1874


What is the constant voltage unit?

627


how to relay switch sense the fault?

2080


Can anyone send most commonly asked interview question in Oil & Gas industry

1749


what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d

4348


How many ohms are required for proper earthing?

631


how to commission furnace ( water heater)

1493


Calibration procedure for Electro magnetic Flow meter

4024