Answer / khusbu123

when fluid flows through orifice area of flow decreases,according to continuity equn velocity of flow increases so pressure decreases.

Answer / vinodh kumar j

hai dudes,

According to Bernelle's equation in an orifice meter there
is relationship between velocity & pressure.
If incoming velocity is more then the fluid passing the
orifice will have less velocity but more pressure.
there is no relationship with temp.

According to Bernelle's equation

P1 + 0.5 DV1^2 = P2 + 0.5 DV2^2
P - PRESSURE
D - DENSITY
V - VELOCITY

Answer / karthick

i think because of the presence of vena contracta (just
like nozzle) during its discharge

Answer / sathish

when area dereases flow of fluid increases not a pressure

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