modelDynamicCentrifugalPump
Dynamic centrifugal pump
Information
## Copyright © EDF 2002 - 2026 ## ThermoSysPro Version 4.2
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| ThermoSysPro.Units.nonSI.AngularVelocity_rpm | VRotn | 1400 | Nominal rotational speed |
| ThermoSysPro.Units.nonSI.AngularVelocity_rpm | VRot0 | 0 | Initial rotational speed (active if steady_state_mech=false) |
| Units.SI.Volume | V | 1 | Pump volume (only if dynamic_energy_balance = true) |
| Units.SI.MomentOfInertia | J | 10 | Pump moment of inertia |
| Real | Cf0 | 10 | Mechanical friction coefficient |
| Boolean | steady_state_mech | true | true: start from steady state - false: start from VRot0 |
| Boolean | dynamic_energy_balance | true | true: dynamic energy balance equation - false: static energy balance equation |
| Boolean | continuous_flow_reversal | false | true: continuous flow reversal - false: discontinuous flow reversal |
| Integer | fluid | 1 | 1: water/steam - 2: C3H3F5 |
| Units.SI.Density | p_rho | 0 | If > 0, fixed fluid density |
| Integer | mode | 1 | IF97 region. 1:liquid - 2:steam - 4:saturation line - 0:automatic |
| Real | a1 | -88.67 | x^2 coef. of the pump characteristics hn = f(vol_flow) (s2/m5) |
| Real | a2 | 0 | x coef. of the pump characteristics hn = f(vol_flow) (s/m2) |
| Real | a3 | 43.15 | Constant coef. of the pump characteristics hn = f(vol_flow) (m) |
| Real | b1 | -3.7751 | x^2 coef. of the pump efficiency characteristics rh = f(vol_flow) (s2/m6) |
| Real | b2 | 3.61 | x coef. of the pump efficiency characteristics rh = f(vol_flow) (s/m3) |
| Real | b3 | -0.0075464 | Constant coef. of the pump efficiency characteristics rh = f(vol_flow) (s.u.) |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ThermoSysPro.ElectroMechanics.Connectors.MechanichalTorque | M | ||
| Connectors.FluidInlet | C1 | ||
| Connectors.FluidOutlet | C2 |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Real | rh | Hydraulic efficiency | |
| Units.SI.Height | hn | Pump head | |
| ThermoSysPro.Units.nonSI.AngularVelocity_rpm | VRot | Rotational speed | |
| Units.SI.AngularVelocity | w | Angular speed | |
| Real | R | Ratio VRot/VRotn (s.u.) | |
| Units.SI.MassFlowRate | Q | Mass flow rate | |
| Units.SI.VolumeFlowRate | Qv | Volume flow rate | |
| Units.SI.Torque | Cm | Motor torque | |
| Units.SI.Torque | Ch | Hydraulic torque | |
| Units.SI.Torque | Cf | Mechanical friction torque | |
| Units.SI.Power | Wm | Motor power | |
| Units.SI.Power | Wh | Hydraulic power | |
| Units.SI.Power | Wf | Mechanical friction power | |
| Units.SI.Density | rho | Fluid density | |
| ThermoSysPro.Units.SI.PressureDifference | deltaP | Pressure variation between the outlet and the inlet | |
| Units.SI.SpecificEnthalpy | deltaH | Specific enthalpy variation between the outlet and the inlet | |
| Units.SI.AbsolutePressure | Pm | Fluid average pressure | |
| Units.SI.SpecificEnthalpy | h | Fluid average specific enthalpy | |
| ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ph | pro |
Revisions
Author Daniel Bouskela