ISO-5167
 ISO-5167/IAPWS-IF97
ISO-5167: Flow-rate calculation
using PHP and 'Felib.iso5167' COM object
WORKING CONDITIONS:
Select gas or liquidType of fluid
Select the primary device typePrimary device
Select upstream or downstream pressure measurementPressure tap location
The device diameters ranges according to ISO-5167: 1. Orifice plate with flange tappings: d=12.5mm...750mm 2. Orifice plate with corner tappings: d=12.5mm...750mm 3. Orifice plate with D and D/2 tappings: d=12.5mm...750mm 4. Venturi tube with a machined convergent section: d=30mm...600mm 5. Classical Venturi tube with an "as cast" convergent section: d=20mm...187.5mm 6. Venturi tube with a rough-welded sheet-iron convergent section: d=80mm...840mm 7. Long radius nozzle: d=10mm...504mm 8. ISA 1932 nozzle: d=15mm...400mm 9. Venturi nozzle (ISA inlet): d=50mm...387.5mm Device diameter
d[mm]
The pipe diameters ranges according to ISO-5167: 1. Orifice plate with flange tappings: D=50mm...1000mm 2. Orifice plate with corner tappings: D=50mm...1000mm 3. Orifice plate with D and D/2 tappings: D=50mm...1000mm 4. Venturi tube with a machined convergent section: D=50mm...250mm 5. Classical Venturi tube with an "as cast" convergent section: D=100mm...800mm 6. Venturi tube with a rough-welded sheet-iron convergent section: D=200mm...1200mm 7. Long radius nozzle: D=50mm...630mm 8. ISA 1932 nozzle: D=50mm...500mm 9. Venturi nozzle (ISA inlet): D=65mm...500mm Pipe diameter
D[mm]
Differential pressure range: 0.00025 Pa ≤ Δp ≤ 0.25·pDifferential pressure
Δp[Pa]
Absolute static pressure range: 0.001 Pa ≤ p ≤ 1000 MPaPressure (absolute)
p[Pa]
Density range: 0.000001 kg/m³ ≤ ρ ≤ 10000 kg/m³Density (upstream)
ρ1[kg/m³]
Dynamic viscosity range: 0 Pa·s < μ ≤ 10 Pa·sViscosity (upstream)
μ1[Pa·s]
Isentropic exponent range: 0.1 ≤ κ ≤ 200Isentropic exponent
(ignore for liquids)
κ
RESULTS:
No errors!
Orifice plate with flange tappings
Mass rate of flow qm[kg/h]
4093.750783
Diameter ratio β=d/D
0.480000
Coefficient of discharge C
0.603156
Reynolds number ReD
517095.771603
Coeficient of expansion ε
0.942859