modelLungs

Diagram of Lungs

Extends from Icons.Lungs.

Information

Blood volume (and pressures) distribution between

  • pulmonary arteries,
  • pulmonary veins and
  • pulmonary capilaries.

Blood flow through ventilated alveoli.

Parameters

TypeNameDefaultDescription
IntegerNRU1Number of respiratory units
Ports
IntegernPorts0Number of airways ports
Ventilation
Types.VolumeLungsAirVolume_initial0.00302Initial volume of alveolar space
Real[Air.nS]Air_initial{100, 40, 47, 760 - 187}Initial composition of air inside alveoli
Types.VolumeFunctionalResidualCapacity0.00231Functional residual capacity
Types.HydraulicComplianceTotalCompliance1.0197162129779e-06Pulmonary compliance
Types.VolumeResidualVolume0.0013Residual volume
Types.VolumeTotalLungCapacity0.00623Total Capacity
Types.VolumeBaseTidalVolume0.0005Base Tidal Volume
Types.HydraulicResistance[NRU]AirwaysResistancesfill(NRU*147099.75, NRU)Airways resistances per respiratory unit
Perfusion
Real[Blood.nS]ArterialBloodCompositionBlood.ArterialDefaultInitial composition of arterial blood
Real[Blood.nS]VenousBloodCompositionBlood.VenousDefaultInitial composition of venous blood
Types.VolumeArteriesVolume_initial0.000200488Initial volume of blood in arteries
Types.VolumeArteriesZeroPressureVolume0.00011Blood arteries zero pressure volume
Types.HydraulicComplianceArteriesCompliance3.975326351982e-08Blood arteries compliance
Types.HydraulicConductanceArteriesConductance1.6876385456527e-07Blood arteries conductance
Types.VolumeCapillariesVolume_initial0.000200141Initial volume of blood in capillaries
Types.VolumeCapillariesZeroPressureVolume0.00014Maximal volume of blood capillaries zero at zero blood pressure inside
Types.HydraulicComplianceCapillariesCompliance3.45028324889e-08Blood capillaries compliance
Types.HydraulicConductanceCapillariesConductance2.250184727537e-07Blood capillaries conductance
Types.VolumeVeinsVolume_initial0.000210463Initial volume of blood in veins
Types.VolumeVeinsZeroPressureVolume0.00015Blood venous zero pressure volume
Types.HydraulicComplianceVeinsCompliance4.5003694550739e-08Blood venous compliance
Types.HydraulicConductanceVeinsConductance6.7505541826109e-07Blood venous conductance
Diffusion
Real[NRU]Diffusionsfill(1e-4, NRU)Gasses diffussions per respiratory unit
Thorax
VolumePleuralFluidVolume_initial0.0001Initial volume of pleural fluid volume
VolumePleuralCavityVolumePleuralFluidVolume_initial + LungsAirVolume_initialVolume of relaxed pleural cavity

Connectors

TypeNameDefaultDescription
Physiolibrary.Types.BusConnectorbusConnectorsignals of organ bood flow resistence
Fluid.Interfaces.FluidPort_ablood_in
Fluid.Interfaces.FluidPort_bblood_out
Types.RealIO.PressureInputrespiratotyMusclePressure
Fluid.Interfaces.FluidPorts_a[nPorts]airways

Components

TypeNameDefaultDescription
Physiolibrary.Fluid.Components.ElasticVesselpulmArty
Physiolibrary.Fluid.Components.ElasticVesselpulmVeinspulmonary veins
Physiolibrary.Fluid.Components.ConductorpulmVeinsConductance
Types.Constants.VolumeConstvolume
Modelica.Blocks.Math.Sumsum2
Modelica.Blocks.Math.GainPulmonaryCirculation_DeoxygenatedBloodVolume
Modelica.Fluid.SystemsystemHuman body system setting
Fluid.Components.ElasticVesselpleuralSpacePleural space
Fluid.Sensors.PressureMeasurepleauralPressurePleaural pressure
Components.RespiratoryUnit[NRU]respiratoryUnit
Modelica.Blocks.Math.SumlungsVolume
Modelica.Blocks.Math.Gainpericardium

Contents

NameDescription
Air
PleuralFluid
Blood

Revisions

Author: Marek Matejak
License: Physiomodel License 1.0
By: Charles University, Prague
Date of: january 2009
References: Tom Coleman: QHP 2008 beta 3, University of Mississippi Medical Center

Copyright © 2014 Marek Matejak, Charles University in Prague.