modelInternalCombustionEngine

Internal combustion engine with electrical output

Extends from ThermoSysPro.Fluid.Interfaces.PropertyInterfaces.FlueGasesFluidTypeParameterInterface (Interface to display the flue gases fluid type after parametrization), ThermoSysPro.Fluid.Interfaces.IconColors (Colors of the static, singular and dynamic model icons).

Information

## Copyright © EDF 2002 - 2026   
## ThermoSysPro Version 4.2   
This component model is documented in Chapter 15 of the ThermoSysPro book.

Parameters

Type	Name	Default	Description
Integer	mechanical_efficiency_type	1	1: fixed nominal efficiency - 2: Linear efficiency using Coef_Rm_a, Coef_Rm_b and Coef_Rm_c - 3: Beau de Rochas cycle efficiency
Real	Rmeca_nom	0.40	Fixed nominal mechanical efficiency (active if mechanical_efficiency_type=1)
Real	Coef_Rm_a	-5.727E-09	Coefficient a for the linear mechanical efficiency (active if mechanical_efficiency_type=2)
Real	Coef_Rm_b	4.5267E-05	Coefficient b for the linear mechanical efficiency (active if mechanical_efficiency_type=2)
Real	Coef_Rm_c	0.312412946	Coefficient c for the linear mechanical efficiency (active if mechanical_efficiency_type=2)
Real	Relec	0.97	Engine electrical efficiency
Real	Cosphi	1	Cos(phi) of the electrical grid
Real	Xpth	0.03	Thermal loss fraction - cooling (0-1 sur Q.PCI)
Real	Xref	0.2	Cooling power fraction (0-1 sur Q.PCI)
Real	MMg	30	Gas average molar mass (g/mol)
Real	DPe	0	Water pressure loss as percent of the pressure at the inlet
ThermoSysPro.Units.SI.PressureDifference	DPaf	0	Pressure difference between the air pressure at the inlet and the flue gases pressure at the outlet
Real	RV	6	Engine volume ratio (> 1)
Real	Kc	1.2	Compression polytropic coefficient
Real	Kd	1.4	Expansion polytropic coefficient
Real	Gamma	1.3333	Flue gases gamma = Cp/Cv
Units.SI.MassFlowRate	gamma_diff_ws	1e-4	Diffusion conductance for the water/steam side (active if diffusion=true in neighbouring volumes)
Boolean	continuous_flow_reversal	false	true: continuous flow reversal - false: discontinuous flow reversal
Boolean	diffusion	false	true: energy balance equation with diffusion - false: energy balance equation without diffusion
Fluid › Fluid properties
FlueGasesFluidType	fgftype (from FlueGasesFluidTypeParameterInterface)	FlueGasesFluidType.FlueGases	Flue gases fluid type

Connectors

Type	Name	Description
ThermoSysPro.Fluid.Interfaces.Connectors.FuelInlet	Cfuel	Fuel inlet
ThermoSysPro.Fluid.Interfaces.Connectors.FluidInlet	Cair	Air inlet
ThermoSysPro.Fluid.Interfaces.Connectors.FluidOutlet	Cfg	Flue gases outlet
ThermoSysPro.Fluid.Interfaces.Connectors.FluidInlet	Cws1	Water inlet
ThermoSysPro.Fluid.Interfaces.Connectors.FluidOutlet	Cws2	Water/steam outlet

Components

Type	Name	Default	Description
Units.SI.MassFlowRate	Qsf		Flue gases mass flow rate at the outlet
Units.SI.AbsolutePressure	Psf		Flue gases pressure at the outlet
Units.SI.Temperature	Tsf		Flue gases temperature at the outlet
Real	XsfCO2		Flue gases CO2 mass fraction at the outlet
Real	XsfH2O		Flue gases H2O mass fraction at the outlet
Real	XsfO2		Flue gases O2 mass fraction at the outlet
Real	XsfSO2		Flue gases SO2 mass fraction at the outlet
Real	Rmeca		Engine mechanical efficiency
Units.SI.Power	Wmeca		Engine mechanical power
Units.SI.Power	Welec		Engine electrical power
Units.SI.Power	Wact		Active power
Units.SI.Power	Wcomb		Fuel power available (Q.PCS)
Units.SI.Power	Wpth_ref		Power of thermal losses + cooling
Real	exc		Combustion air ratio
Real	PCScomb		Pouvoir Calorifique Supérieur du combustible sur brut(en J/kg)
Units.SI.Temperature	Tm		Air-gas mixture temperature
Units.SI.Temperature	Tfcp		Temperature at the end of the compression phase
Units.SI.AbsolutePressure	Pfcp		Pressure at the end of the compression phase
Units.SI.Temperature	Tfcb		Temperature at the end of the combustion phase
Units.SI.AbsolutePressure	Pfcb		Pressure at the end of the combustion phase
Units.SI.Temperature	Tfd		Temperature at the end of the expansion phase
Units.SI.AbsolutePressure	Pfd		Pressure at the end of the expansion phase
Units.SI.Temperature	Tfe		Temperature at the exhaust
Units.SI.SpecificEnthalpy	Hea		Air specific enthalpy at the inlet
Units.SI.SpecificEnthalpy	Hsf		Flue gases specific enthalpy at the outlet
Units.SI.SpecificEnthalpy	Hcomb		Fuel specific enthalpy at the inlet
Units.SI.SpecificEnthalpy	Hrfum		Flue gases reference specific enthalpy
Units.SI.SpecificEnthalpy	Hrair		Air reference specific enthalpy
Units.SI.SpecificEnthalpy	Hrcomb		Fuel reference specific enthalpy
Units.SI.MassFlowRate	Qea		Air mass flow rate at the inlet
Units.SI.AbsolutePressure	Pea		Air pressure at the inlet
Units.SI.Temperature	Tea		Air temperature at the inlet
Real	XeaCO2		Air CO2 mass fraction at the inlet
Real	XeaH2O		Air H2O mass fraction at the inlet
Real	XeaO2		Air O2 mass fraction at the inlet
Real	XeaSO2		Air SO2 mass fraction at the inlet
Units.SI.SpecificHeatCapacity	Cpair		Air specific heat capacity
Units.SI.MassFlowRate	Qcomb		Fuel mass flow rate
Units.SI.Temperature	Tcomb		Fuel temperature
Real	XCcomb		Fuel carbon fraction
Real	XHcomb		Fuel hydrogen fraction
Real	XOcomb		Fuel oxygen fraction
Real	XScomb		Fuel sulfur fraction
Real	XEAUcomb		Fuel H2O fraction
Real	XCDcomb		Fuel ashes fraction
Real	PCIcomb		Fuel PCI (J/kg)
Units.SI.SpecificHeatCapacity	Cpcomb		Fuel specific heat capacity
Units.SI.MassFlowRate	Qe		Water mass flow rate
Units.SI.SpecificEnthalpy	Hev		Water specific enthalpy at the inlet
Units.SI.Density	rhoea		Air density at the inlet
Units.SI.Density	rhosf		Flue gases density at the outlet
Units.SI.SpecificEnthalpy	Hsv		Water specific enthalpy at the outlet
Real	MMairgaz		Air/gas mixture molecular mass (g/mol)
Real	MMfumees		Flue gases molecular mass (g/mol)
FluidType[2]	fluids		Fluids mixing in volume
Units.SI.SpecificEnthalpy	h		Flue gases specific enthalpy
Units.SI.Power	Jair		Thermal power diffusion from inlet Cair
Units.SI.Power	Jfg		Thermal power diffusion from outlet Cfg
Units.SI.Power	J		Total thermal power diffusion
Units.SI.MassFlowRate	gamma_air		Diffusion conductance for inlet Cair
Units.SI.MassFlowRate	gamma_fg		Diffusion conductance for outlet Cfg
Real	rair		Value of r(Q/gamma) for inlet Cair
Real	rfg		Value of r(Q/gamma) for outlet Cfg
FluidType	ftype_ws		Water/steam fluid type
Integer	fluid_ws	Integer(ftype_ws)	Water/steam fluid number

Revisions

Author  

Benoît Bride