modelSteamEngine

Steam engine

Information

## Copyright © EDF 2002 - 2026   
## ThermoSysPro Version 4.2

Type	Name	Default	Description
Real[:,2]	caract	[0, 0; 15e5, 20.0]	Engine charateristics Q=f(deltaP)
Real	eta_is	0.85	Isentropic efficiency
Real	W_frot	0.0	Power losses due to hydrodynamic friction (percent)
Real	eta_stato	1.0	Efficiency to account for cinetic losses (<= 1) (s.u.)
Integer	option_interpolation	1	1: linear interpolation - 2: spline interpolation
Units.SI.MassFlowRate	gamma_diff	1e-4	Diffusion conductance (active if diffusion=true in neighbouring volumes)
Fluid › Fluid properties
IF97Region	region_e	IF97Region.All_regions	Inlet IF97 region (active for IF97 water/steam only)
IF97Region	region_s	IF97Region.All_regions	Outlet IF97 region (active for IF97 water/steam only)

Type	Name	Default	Description
Interfaces.Connectors.FluidInlet	C1
Interfaces.Connectors.FluidOutlet	C2

Type	Name	Default	Description
Units.SI.Power	W		Power produced by the engine
Units.SI.MassFlowRate	Q		Mass flow rate
Units.SI.SpecificEnthalpy	His		Fluid specific enthalpy after isentropic expansion
ThermoSysPro.Units.SI.PressureDifference	deltaP		Pressure loss
Units.SI.AbsolutePressure	Pe		Pressure at the inlet
Units.SI.AbsolutePressure	Ps		Pressure at the outlet
Units.SI.Temperature	Te		Temperature at the inlet
Units.SI.Temperature	Ts		Temperature at the outlet
Real	xm		Average vapor mass fraction (n.u.)
FluidType	ftype		Fluid type
Integer	fluid	Integer(ftype)	Fluid number
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ph	proe
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ph	pros
ThermoSysPro.Properties.WaterSteam.Common.ThermoProperties_ps	props

Authors  

Benoît Bride  
Daniel Bouskela