modelStaticWallFlueGasesExchanger

Static wall - flue gases exchanger

Extends from ThermoSysPro.Fluid.Interfaces.IconColors (Colors of the static, singular and dynamic model icons).

Information

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

Parameters

Type	Name	Default	Description
Integer	Ns	10	Number of segments
Integer	NbTub	100	Number of pipes
Real	DPc	0	Pressure loss coefficient
Units.SI.Length	L	2	Exchanger length
Units.SI.Diameter	Dext	0.022	External pipe diameter
Units.SI.PathLength	step_L	0.033	Longitudinal length step
Units.SI.PathLength	step_T	0.066	Transverse length step
Units.SI.Area	St	100	Cross-sectional area
Units.SI.Area	Surf_ext	piDextLsNbTubCSailettes	Heat exchange surface for one section
Real	Encras	1.00	Corrective term for the heat exchange coefficient
Real	Fa	0.7	Fouling factor (0.3 - 1.1)
Units.SI.MassFlowRate	Qmin	1e-3	Minimum flue gases mass flow rate
Integer	exchanger_type	1	Exchanger type - 1:crossed flux - 2:longitudinal flux
Units.SI.Temperature	Tp0	500	Wall temperature (active if the thermal connector is not connected)
Real	CSailettes	1	Increase factor of the heat exchange surface to to the fins
Real	Coeff	1	Corrective coeffeicient
Units.SI.MassFlowRate	gamma_diff	1e-4	Diffusion conductance (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
Units.SI.Density	p_rho	0	If > 0, fixed fluid density

Connectors

Type	Name	Default	Description
Interfaces.Connectors.FluidInlet	C1
ThermoSysPro.Thermal.Connectors.ThermalPort[Ns]	CTh
Interfaces.Connectors.FluidOutlet	C2

Components

Type	Name	Default	Description
Units.SI.AbsolutePressure[N + 1]	P		Fluid pressure in node i
Units.SI.MassFlowRate[N]	Q		Mass flow rate in node i
Units.SI.SpecificEnthalpy[N + 1]	h		Fluid specific enthalpy in node i
Units.SI.SpecificEnthalpy[N]	hb		Fluid specific enthalpy at the boundary of node i
Units.SI.Temperature[N - 1]	T1		Fluid temperature in thermal node i
Units.SI.Temperature[N]	T2		Fluid temperature in hydraulic node i
Units.SI.Density[N]	rho2		Fluid density in hydraulic node i
Units.SI.Temperature[N - 1]	Tp		Wall temperature in thermal node i
Units.SI.AbsolutePressure[N - 1]	Pco2		CO2 partial pressure in thermal node i
Units.SI.AbsolutePressure[N - 1]	Ph2o		H2O partial pressure in thermal node i
ThermoSysPro.Units.SI.MassFraction	Xh2o		H2O mass fraction
ThermoSysPro.Units.SI.MassFraction	Xco2		CO2 mass fraction
ThermoSysPro.Units.SI.MassFraction	Xo2		O2 mass fraction
ThermoSysPro.Units.SI.MassFraction	Xso2		SO2 mass fraction
ThermoSysPro.Units.SI.MassFraction	Xn2		N2 mass fraction
ThermoSysPro.Units.SI.MassFraction	Xvh2o		H2O volume fraction
ThermoSysPro.Units.SI.MassFraction	Xvco2		CO2 volume fraction
ThermoSysPro.Units.SI.MassFraction	Xvo2		O2 volume fraction
ThermoSysPro.Units.SI.MassFraction	Xvn2		N2 volume fraction
ThermoSysPro.Units.SI.MassFraction	Xvso2		SO2 volume fraction
Units.SI.CoefficientOfHeatTransfer	K		Total heat exchange coefficient
Units.SI.CoefficientOfHeatTransfer	Kc		Convective heat exchange coefficient
Units.SI.CoefficientOfHeatTransfer	Kr		Radiative heat exchange coefficient
Units.SI.CoefficientOfHeatTransfer[N - 1]	Kcc		Intermediate variable for the computation of the convective heat exchange coefficient
Units.SI.CoefficientOfHeatTransfer[N - 1]	Krr		Intermediate variable for the computation of the radiative heat exchange coefficient
Units.SI.Power[N - 1]	dW1		Power exchange between the wall and the fluid in each thermal node
Units.SI.Power	W		Total power exchanged
ThermoSysPro.Units.SI.TemperatureDifference[N - 1]	deltaT		Temperature difference between the fluid and the wall
Units.SI.Temperature[N - 1]	TFilm		Film temperature
Real	Mmt		Total flue gases molar mass
FluidType	ftype		Fluid type
Integer	fluid	Integer(ftype)	Fluid number
Real[N]	diff_res		Diffusion resistance in hydraulic node i
Real	diff_res_t		Total diffusion resistance in the pipe
Real[N - 1]	diff_res_e		Diffusion resistance at inlet of thermal node i
Real[N - 1]	diff_res_s		Diffusion resistance at outlet of thermal node i
Units.SI.MassFlowRate[N]	gamma		Total diffusion conductance in hydraulic node i
Units.SI.MassFlowRate[N - 1]	gamma_e		Diffusion conductance at inlet of thermal node i
Units.SI.MassFlowRate[N - 1]	gamma_s		Diffusion conductance at outlet of thermal node i
Units.SI.Power[N - 1]	Je		Thermal power diffusion from inlet of thermal node i
Units.SI.Power[N - 1]	Js		Thermal power diffusion from outlet of thermal node i
Units.SI.Power[N - 1]	J		Total thermal power diffusion of thermal node i
Real[N - 1]	re		Value of r(Q/gamma) for inlet of thermal node i
Real[N - 1]	rs		Value of r(Q/gamma) for outlet of thermal node i

Revisions

Author  

Baligh El Hefni