ValveSimple
Calculates the valve flow coefficient (Kv) for single-phase gas service using the simplified ISA equation.
Applies the choked-flow correction when the downstream pressure falls below half the upstream pressure.
Definition
Namespace: DWSIM.UnitOperations.UnitOperations
Assembly: DWSIM.UnitOperations (in DWSIM.UnitOperations.dll) Version: 10.0.0.0
The calculated Kv value (m³/h at 1 bar drop).
Assembly: DWSIM.UnitOperations (in DWSIM.UnitOperations.dll) Version: 10.0.0.0
C#
public double SimpleKvGas(
double Wi,
double rhog20,
double P1,
double P2,
double Ti
)VB
Public Function SimpleKvGas (
Wi As Double,
rhog20 As Double,
P1 As Double,
P2 As Double,
Ti As Double
) As DoubleParameters
- Wi Double
- Mass flow rate in kg/h.
- rhog20 Double
- Gas density at standard conditions (273.15 K, 101325 Pa) in kg/m³.
- P1 Double
- Inlet pressure in Pa.
- P2 Double
- Outlet pressure in Pa.
- Ti Double
- Inlet temperature in K.
Return Value
DoubleThe calculated Kv value (m³/h at 1 bar drop).