modelDynamicCheckValve

Dynamic check valve
Diagram of DynamicCheckValve

Information

## Copyright © EDF 2002 - 2026   
## ThermoSysPro Version 4.2   
This component model is documented in Sect. 13.12 of the ThermoSysPro book.

Parameters

TypeNameDefaultDescription
ThermoSysPro.Units.xSI.CvCvmax8005.42Maximum CV [USG/min]
Real[:,2]caract[0, 0; 1, Cvmax]Position vs. Cv [USG/min] characteristics (active if mode_caract=1)
Units.SI.MomentOfInertiaJ1Flap moment of inertia
RealKf10Flap friction law coefficient #1
RealKf2100Flap friction law coefficient #2
Realn5Flap friction law exponent
Units.SI.Massm1Flap mass
Units.SI.AreaA1Flap hydraulic area
Integermode_caract00:linear characteristics - 1:characteristics is given by caract[]
Integeroption_interpolation11: linear interpolation - 2: spline interpolation (active if mode_caract=1)
Booleanmech_steady_statetruetrue: start from mechanical steady state - false: start from 0
RealOuv00Initial valve position, between 0 and 1. 0:valve closed - 1: valve open (active if mech_steady_state=false)
Units.SI.MassFlowRategamma_diff1e-4Diffusion conductance (active if diffusion=true in neighbouring volumes)
Fluid › Fluid properties
Units.SI.Densityp_rho0If > 0, fixed fluid density
IF97RegionregionIF97Region.All_regionsIF97 region (active for IF97 water/steam only)

Connectors

TypeNameDefaultDescription
ThermoSysPro.Fluid.Interfaces.Connectors.FluidInletC1
ThermoSysPro.Fluid.Interfaces.Connectors.FluidOutletC2

Components

TypeNameDefaultDescription
BooleanlibreIndicator whether the flap is free to move in both directions
Units.SI.TorqueCpGravity torque
Units.SI.TorqueCfFriction torque
Units.SI.TorqueChHydraulic torque
Units.SI.TorqueCtTotal torque
Units.SI.AnglethetaFlap aperture angle
Units.SI.AngularVelocityomegaFlap angular speed
Units.SI.AngularAccelerationaFlap angular acceleration
RealOuvValve position
ThermoSysPro.Units.xSI.CvCvCv [USG/min]
Units.SI.MassFlowRateQMass flow rate
ThermoSysPro.Units.SI.PressureDifferencedeltaPSingular pressure loss
Units.SI.DensityrhoFluid density
Units.SI.TemperatureTFluid temperature
Units.SI.AbsolutePressurePmFluid average pressrue
Units.SI.SpecificEnthalpyhFluid specific enthalpy

Revisions

Author  

Daniel Bouskela