modelUPartialClass

Extends from BuildingSystems.Technologies.DistrictHeatingNetworks.UndergroundPipes.BaseClasses.PipeInfo.

Parameters

TypeNameDefaultDescription
IntegernPipesNumber of pipes
General › Geometry
Modelica.Units.SI.AreaSPip(Modelica.Constants.pi*d_o*d_o/4) - SWatCross-sectional wall area of the pipe (area of piping material)
Modelica.Units.SI.AreaSWat(Modelica.Constants.pi*d_i*d_i/4)Cross-sectional inside area of the pipe
Modelica.Units.SI.Diameterd_i (from PipeInfo)Pipe's inner diameter
Modelica.Units.SI.Diameterd_o (from PipeInfo)d_i/(0.0366*Modelica.Math.log(d_i) + 0.769)Pipe's outter diameter
Modelica.Units.SI.Thicknessth_ins (from PipeInfo)0.05Insulation's thickness
Modelica.Units.SI.Thicknessth_c (from PipeInfo)0.005Cover's thickness
General › Thermal properties
Modelica.Units.SI.Densityden_p8Density of the pipe material
Modelica.Units.SI.SpecificHeatCapacitycp_p0.49Specific heat capacity of the pipe material
Modelica.Units.SI.ThermalConductivitylam_ins (from PipeInfo)0.032Heat conductivity of the pipe's insulation
Modelica.Units.SI.ThermalConductivitylam_c (from PipeInfo)0.43Heat conductivity of the covers material

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealOutputU