Crucial Controls - AGA3 Flow Calculator

AGA-3 1990 Flow Calculator

Enter your variables below, and the server will calculate the flow. Compressibility is calculated using the Redlich-Kwong equation of state. Flow is calculated according to AGA-3 1990.

Gas Composition

Methane
Ethane
Propane
iso-Butane
n-Butane
iso-Pentane
n-Pentane
Hexane
Heptane
Octane
Hydrogen Sulfide
Carbon Dioxide
Helium
Argon
Nitrogen
Oxygen

Meter Run Data

Atmospheric Pressure (kPaa)

Valid atmospheric pressure is required.

Base/Reference Pressure (kPaa)

Valid reference pressure is required.

Differential Pressure (kPad)

Valid differential pressure is required.

Base/Reference Temperature (C)

Valid reference temperature is required.

Static (Flowing) Pressure (kPag)

Valid flowing pressure is required.

Flowing Temperature (C)

Valid flowing temperature is required.

Orifice ID (mm)

Valid orifice size is required.

Pipe ID (mm)

Valid pipe size is required.

Calculation Results

Qv

Volumetric Flow (e3m3/d) 505.45

Qm

Mass Flow (kg/s) 4.17

Base Density

(kg/m3) 0.713

Flowing Density

(kg/m3) 80.75

Z Base

Base Compressibility 0.997

Z Flowing

Flowing Compressibility 0.841

Cd

Coefficient of Discharge 0.6044

Y

Upstream Expansion 0.9998

Ev

Velocity Approach Factor 1.0759

M

Molar Mass (g/mol) 16.81