In orifice why the pressure and temperature are decreases?

Answer Posted / s.karthick, tamilnadu

in an orifice pressure and temperature are decreases because
total energy of the fluid is split in to the types PRESSURE
ENERGY + KINETIC ENERGY + DATUM ENERGY = CONSTANT.in orifice
velocity of fluid increases then automatically pressure will
be reduced, ACCORDING TO THE JOULE'S THRAOTLING EFFECT THE
TEMPERATURE WILL DECREASES

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