ORIFICE SIMULATION

00 0 Gate Valve Flow Rate Valve 0 mm Hg Valve Positioning Manometer Reading (H) Timer 00 00 min sec ms : : 100 100 90 80 70 60 50 40 30 20 10 0 10 20 50 60 70 80 90 40 30 1 0 2 3 4 5 6 7 8 9 10 mm Hg
Instructions

Welcome to the simulation! Please Start the Simulator by using Power On Button.

Valve Positioning

OBSERVATION

Formulaes

Q a c = A * R t

h = H x 12.6

Q t h = a 1 a 2 ( a 1 ) 2 − ( a 2 ) 2 2 g h

C d = Q a c t Q t h

Provided Data

Area of the tank(A) = 0.12 m2
Inlet diameter in meters(d1) = 0.025 m
Throat diameter in meter (d2) = 0.0125 m

Observation Table
S.No: Manometer reading
in mm of Hg
(H)		 Time taken for collecting
10 cm rise of water
in collecting tank
(sec)		 h
(m)		 Qth x 10-4
(m3/s) 		Qact x 10-4
(m3/s) 		Cd Avg. Cd
1.
2.
3.