Orifice Calculation Sheet
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SIZING Media Inputs Fluid Gas Temperature T 49.62 C Gas Molecular Weight M J 19 Gas Flow Input W or n 9615 kg/hr Compressibility Factor Z 0.9 Heat Capacity Ratio γ 1.414 Viscosity μ 0.01 cP Liquid Flow Input Q 0 USGPM Liquid Density ρ 0 kg/m³ Viscosity μ 0 cP Inlet Pressure p1 9901 kPaa Pressure Drop ∆p 9109.7 kPa Material of Pipe Carbon Steel Schedule SCh40 Nominal Pipe size D 3 in. Tapping Types ‐ Corner Select Fittings nature Upstream (inlet) Results Tapping Length‐1 0 mm Tapping Length‐2 0 mm Pipe Velocity V 7.980 m/s Beta Ratio 0.162 Orifice Diameter 0.49672 in. Re 4,358,992.57 Calculated ε 1.00 A 30 B 15 Estimated ε from ISO 5167: 11‐Abrupt symmetrical reduction Values expresses as multiples of the internal diameters,D Gas properties Liquid Properties Conditions Lengths corresponding to “zero additional uncertainty” values lengths corresponding to “0,5 % additional uncertainty” values Beta,Orifice dia., Pipe dia and Re are within the range Values expresses as multiples of the internal diameters,D
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Orifice Calculation Sheet
Transcript of Orifice Calculation Sheet
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SIZING
Media InputsFluid GasTemperature T 49.62 CGasMolecularWeight MJ 19GasFlowInput Worn 9615 kg/hr
CompressibilityFactor Z 0.9
HeatCapacityRatio 1.414
Viscosity 0.01 cP
LiquidFlowInput Q 0 USGPMLiquidDensity 0 kg/mViscosity 0 cPInletPressure p1 9901 kPaaPressureDrop p 9109.7 kPaMaterialofPipe CarbonSteelSchedule SCh40NominalPipesize D 3 in.
TappingTypes CornerSelectFittingsnature Upstream(inlet)
Results
TappingLength1 0 mmTappingLength2 0 mmPipeVelocity V 7.980 m/sBetaRatio 0.162OrificeDiameter 0.49672 in.Re 4,358,992.57Calculated 1.00
A 30
B 15
Estimated fromISO5167:
11Abruptsymmetricalreduction
Valuesexpressesasmultiplesoftheinternaldiameters,D
Gasproperties
LiquidProperties
Conditions
Lengthscorrespondingtozeroadditionaluncertaintyvalues
lengthscorrespondingto0,5%additionaluncertaintyvalues
Beta,Orificedia.,PipediaandRearewithintherange
Valuesexpressesasmultiplesoftheinternaldiameters,D
