what is the way of measuring air flow in air duct?explaim instruments used and

what is the way of measuring air flow in air duct?explaim
instruments used and DP creation in line?

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what is the way of measuring air flow in air duct?explaim instruments used and DP creation in line..

Answer / bm

Pitot Tube

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what is the way of measuring air flow in air duct?explaim instruments used and DP creation in line..

Answer / ram

There are different formulas for calculating air flow in
duct according to the duct type, mean a rounded duct or
square duct, etc.. using anemometer in FPM(feet per min.) or
CFM (cubic feet per min.)

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what is the way of measuring air flow in air duct?explaim instruments used and DP creation in line..

Answer / sahebrao

For the flow measurement in duct we use the hot wire anemometer.we use constant temperature or constant current flow type of anemometer.
Dp creation is simply down by placing restriction in flow path.

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