modelCentrifugalPump

Centrifugal pump
Diagram of CentrifugalPump

Information

## Copyright © EDF 2002 - 2026   
## ThermoSysPro Version 4.2   
This component model is documented in Sect. 12.3 of the ThermoSysPro book.

Parameters

TypeNameDefaultDescription
ThermoSysPro.Units.nonSI.AngularVelocity_rpmN1400Pump angular velocity in rpm (active if input M is not connected)
ThermoSysPro.Units.nonSI.AngularVelocity_rpmN_nom1400Nominal angular velocity in rpm
Units.SI.MomentOfInertiaJ10Rotating masses moment of inertia (active if dynamic_mech_equation=true)
Units.SI.VolumeV1Pump volume (active if dynamic_energy_balance=true)
Booleandynamic_mech_equationfalsetrue: dynamic mechanical equation - false: static mechanical equation (active if input M is connected)
Booleandynamic_energy_balancefalsetrue: dynamic energy balance equation - false: static energy balance equation
Units.SI.MassFlowRategamma_diff1e-4Diffusion conductance (active if diffusion=true in neighbouring volumes)
Integermode_car21:nominal values and coef. c given by parameters - 2:nominal values and coef. c computed from semi-parabolic characteristics
Integermode_car_hn21:complete pump head characteristics - 2:semi-parabolic pump head characteristics
Integermode_car_Cr21:complete torque characteristics - 2:analytic formula
Units.SI.VolumeFlowRateQv_nom_p0.4781Nominal volumetric flow (active if mode_car=1)
Units.SI.Heighthn_nom_p22.879Nominal pump head (active if mode_car=1)
Units.SI.Heightrh_nom_p0.863Nominal pump efficiency (active if mode_car=1)
Real[:]F_t{0.634, 0.643, 0.646, 0.640, 0.629, 0.613, 0.595, 0.575, 0.552, 0.533, 0.516, 0.505, 0.504, 0.510, 0.512, 0.522, 0.539, 0.559, 0.580, 0.601, 0.630, 0.662, 0.692, 0.722, 0.753, 0.782, 0.808, 0.832, 0.857, 0.879, 0.904, 0.930, 0.959, 0.996, 1.027, 1.060, 1.090, 1.124, 1.165, 1.204, 1.238, 1.258, 1.271, 1.282, 1.288, 1.281, 1.260, 1.225, 1.172, 1.107, 1.031, 0.942, 0.842, 0.733, 0.617, 0.500, 0.368, 0.240, 0.125, 0.011, -0.102, -0.168, -0.255, -0.342, -0.423, -0.494, -0.556, -0.620, -0.655, -0.670, -0.670, -0.660, -0.655, -0.640, -0.600, -0.570, -0.520, -0.470, -0.430, -0.360, -0.275, -0.160, -0.040, 0.130, 0.295, 0.430, 0.550, 0.620, 0.634}Head characteristics (active if mode_car_hn=1)
Real[:]G_t{-0.684, -0.547, -0.414, -0.292, -0.187, -0.105, -0.053, -0.012, 0.042, 0.097, 0.156, 0.227, 0.300, 0.371, 0.444, 0.522, 0.596, 0.672, 0.738, 0.763, 0.797, 0.837, 0.865, 0.883, 0.886, 0.877, 0.859, 0.838, 0.804, 0.758, 0.703, 0.645, 0.583, 0.520, 0.454, 0.408, 0.370, 0.343, 0.331, 0.329, 0.338, 0.354, 0.372, 0.405, 0.450, 0.486, 0.520, 0.552, 0.579, 0.603, 0.616, 0.617, 0.606, 0.582, 0.546, 0.500, 0.432, 0.360, 0.288, 0.214, 0.123, 0.037, -0.053, -0.161, -0.248, -0.314, -0.372, -0.580, -0.740, -0.880, -1.000, -1.120, -1.250, -1.370, -1.490, -1.590, -1.660, -1.690, -1.770, -1.650, -1.590, -1.520, -1.420, -1.320, -1.230, -1.100, -0.980, -0.820, -0.684}Torque characteristics (active if mode_car_Cr=1)
Realc_p1.288Dimensionless coef. of the semi-parabolic pump head characteristics (active if mode_car=1 and mode_car_hn=2)
Realb2Dimensionless coef. of the parabolic pump efficiency characteristics
Real[2]hn_coef{-88.67, 43.15}Coef. of the semi-parabolic pump head characteristics (active if mode_car=2)
Real[2]rh_coef{-3.7751, 3.61}Coef. of the parabolic pump efficiency characteristics (active if mode_car=2)
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
ElectroMechanics.Connectors.MechanichalTorqueM

Components

TypeNameDefaultDescription
Realw_aDimensionless angular velocity
RealQv_aDimensionless volumetric flow
Realhn_aDimensionless head
RealCr_aDimensionless resistive torque
Realrh_aDimensionless pump efficiency
Units.SI.AngularVelocityw_nomNominal angular velocity
Units.SI.VolumeFlowRateQv_nomNominal volumetric flow
Units.SI.Heighthn_nomNominal pump head
Units.SI.TorqueCr_nomNominal resistive hydraulic torque
Realrh_nomNominal pump efficiency
Units.SI.AnglethetaAngle arctan(Qv_a/w_a) (rad)
ThermoSysPro.Units.nonSI.Angle_degtheta_degAngle arctan(Qv_a/w_a) (deg)
Units.SI.AngularVelocitywAngular velocity in rad
ThermoSysPro.Units.nonSI.AngularVelocity_rpmw_rpmAngular velocity in rpm
Units.SI.MassFlowRateQMass flow rate
Units.SI.VolumeFlowRateQvVolumetric flow rate
Units.SI.PressuredeltaPPressure variation between the outlet and the inlet
Units.SI.HeighthnPump head
Units.SI.TorqueCmMotor torque
Units.SI.TorqueCrResistive hydraulic torque
RealrhPump efficiency
Units.SI.PowerWrResistive power
Units.SI.PowerWmMotor power
Units.SI.EnergyEcKinetic energy of the rotating masses
Units.SI.DensityrhoFluid density
Units.SI.SpecificEnthalpydeltaHSpecific enthalpy variation between the outlet and the inlet
Units.SI.PressurePmFluid average pressure
Units.SI.SpecificEnthalpyhFluid average specific enthalpy
RealcDimensionless coef. of the semi-parabolic pump head characteristics
RealFFunction F
RealGFunction G
RealZFunction Z
Reali_hIndex in head characteristics table
Reali_tIndex in torque characteristics table
Realalphahn_coef[1]Coef. alpha of the characteristics for hn
Realbetahn_coef[2]Coef. beta of the characteristics for hn
Realgammarh_coef[1]Coef. gamma of the characteristics for rh
Realdeltarh_coef[2]Coef. delta of the characteristics for rh
FluidTypeftypeFluid type
IntegerfluidInteger(ftype)Fluid number

Revisions

Authors  

Daniel Bouskela  
Baligh El Hefni