modelBasicHeatFlow

Partial heat transfer model for gas engine

Extends from TransiEnt.Basics.Icons.HeatFlowModel.

Parameters

TypeNameDefaultDescription
ClaRa.Basics.Units.PressureDifferenceDelta_p_nom1e5Nominal pressure drop
Modelica.Units.SI.MassFlowRatem_flow_nomsimCenter.m_flow_nomNominal mass flow rates at inlet
Modelica.Units.SI.TemperatureT_init293.15|Initialization||Initial temperature of medium in heat exchangers
Modelica.Units.SI.Pressurep_init6e5|Initialization||Initial pressure of medium in heat exchangers
TransiEnt.Producer.Combined.SmallScaleCHP.Base.BaseCHPSpecificationSpecificationRecord containing specific CHP parameters

Connectors

TypeNameDefaultDescription
TransiEnt.Basics.Interfaces.Electrical.ElectricPowerInP_el_set
Modelica.Blocks.Interfaces.BooleanInputswitch
TransiEnt.Basics.Interfaces.General.EfficiencyInefficiencies[1] = eta_el, [2] = eta_h
TransiEnt.Basics.Interfaces.General.TemperatureOutTemperaturesOut[1] inner engine, [2] outer engine
TransiEnt.Basics.Interfaces.Thermal.FluidPortInwaterPortIn
TransiEnt.Basics.Interfaces.Thermal.FluidPortOutwaterPortOut

Components

TypeNameDefaultDescription
TransiEnt.SimCentersimCenter
SI.Efficiencyeta_elefficiencies[1]Electrical efficiency
SI.Efficiencyeta_hefficiencies[2]Overall efficiency
SI.HeatFlowRateQ_flow_engineUsable heat flow from engine cooling cycle
SI.HeatFlowRateQ_flow_exhaustUsable heat flow from exhaust
SI.HeatFlowRateQ_flow_outTotal usable heat flow fed into the grid
SI.HeatFlowRateQ_flow_lossTotal heat flow losses to the environment relative to NCV
SI.HeatFlowRateQ_flow_loss_roomHeat flow losses to the room
SI.HeatFlowRateQ_flow_loss_exhaustHeat flow loss due to exhaust losses
SI.HeatFlowRateQ_flow_engine_totTotal heat flow from engine