modelSupplementaryHeater_L2

Model of a boiler that holds temperature in a grid

Extends from TransiEnt.Basics.Icons.Combustion.

Information

1. Purpose of model

Peak load heater to reach specified supply temperature defined by heating curve with specified deviation dT_allowed.

2. Level of detail, physical effects considered, and physical insight

L2 (defined in the CodingConventions)

3. Limits of validity

(no remarks)

4. Interfaces

waterPortIn: inlet for fluid

waterPortOut: outlet for fluid

gasPortIn: inlet for real gas

5. Nomenclature

(no remarks)

6. Governing Equations

(no remarks)

7. Remarks for Usage

(no remarks)

8. Validation

(no validation or testing necessary)

9. References

(no remarks)

10. Version History

Created by Arne Koeppen (arne.koeppen@tuhh.de), Jun 2013

Revised by Lisa Andresen (andresen@tuhh.de), Aug 2013

Parameters

TypeNameDefaultDescription
TILMedia.VLEFluidTypes.BaseVLEFluidmediumsimCenter.fluid1Medium in the component
TILMedia.VLEFluidTypes.BaseVLEFluidfuelMediumsimCenter.gasModel1Fuel of the component
TransiEnt.Basics.Types.TypeOfResourcetypeOfResourceEnergyResource.Conventional
SI.TemperatureDifferencedT_allowed2Turn on threshold
SI.Efficiencyeta0.94Efficiency of burner
SI.Pressurep_nomsimCenter.p_nom[2]Nominal and initial pressure

Connectors

TypeNameDefaultDescription
TransiEnt.Basics.Interfaces.Thermal.FluidPortInwaterPortIn
TransiEnt.Basics.Interfaces.Thermal.FluidPortOutwaterPortOut
TransiEnt.Basics.Interfaces.Gas.RealGasPortIngasPortIn

Components

TypeNameDefaultDescription
TransiEnt.SimCentersimCenter
TransiEnt.ModelStatisticsmodelStatistics
ClaRa.Components.HeatExchangers.TubeBundle_L2heatExchanger
TransiEnt.Components.Sensors.TemperatureSensortemperatureOut
TransiEnt.Components.Sensors.TemperatureSensortemperatureIn
Modelica.Thermal.HeatTransfer.Sources.PrescribedHeatFlowboilerHeat
TransiEnt.Components.Statistics.Collectors.LocalCollectors.CollectHeatingPowercollectHeatingPower
Booleanswitch
SI.MassFlowRatem_flow_fuel

Contents

NameDescription
CalorificValueFunction to calculate specific heating value