modelLargescale_DHN

Information

Purpose of model

A running example of a large-scale district heating network. This model was used in two publications (see References). Further explanations can be found in the publications. Enable the sparse solver for an efficient simulation. Advanced.Translation.SparseActivate=true

References

The model was used in these publications:

[1] Gillner, M.; Westphal, J., et al.; Status of the TransiEnt Library: Transient Simulation of Complex Integrated Energy Systems, 2025, Modelica Conference

[2] Westphal, J.; Brunnemann, J.; Speerforck, A.; Enabling the dynamic simulation of an unaggregated, meshed district heating network with several thousand substations;Energy; 2025

Version History

Model was created by Jan Westphal (j.westphal@tuhh.de) August 2025

Parameters

TypeNameDefaultDescription
Reala77200

Components

TypeNameDefaultDescription
RealTestMesh
RealTestPressure
BooleanturnOffHeatPump
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe34_36
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe34_36R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe36_38
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe36_38R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe36_37R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe36_37
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe42_44
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe42_44R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe44_46
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe44_46R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe44_45R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe44_45
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe59_60R
TransiEnt.Components.Heat.VolumesValvesFittings.Pipes.DHN_Pipe_L4pipe73_74R
TransiEnt.Components.Boundaries.FluidFlow.FluidSinksink
Modelica.Blocks.Sources.RealExpressionrealExpression
Modelica.Blocks.Sources.RealExpressionrealExpression9
Modelica.Blocks.Sources.RealExpressionrealExpression6
Modelica.Blocks.Sources.RealExpressionrealExpression7
Modelica.Blocks.Continuous.LimPIDPID
TransiEnt.Producer.Heat.Power2Heat.Heatpump.Heatpump_DHNheatpump1
Modelica.Blocks.Sources.RealExpressionrealExpression3
Modelica.Blocks.Sources.Trapezoidtrapezoid