modelTube2
Information
For detailed model documentation please consult the html-documentation shipped with ClaRa.
Authorship and Copyright Statement for original (initial) Contribution
Author:
DYNCAP/DYNSTART development team, Copyright © 2011-2024.References:
For references please consult the html-documentation shipped with ClaRa.
Remarks:
This component was developed by ClaRa development team under the 3-clause BSD License.
Acknowledgements:ClaRa originated from the collaborative research projects DYNCAP and DYNSTART. Both research projects were supported by the German Federal Ministry for Economic Affairs and Energy (FKZ 03ET2009 and FKZ 03ET7060).
CLA:
The author(s) have agreed to ClaRa CLA, version 1.0. See https://claralib.com/pdf/CLA.pdf
By agreeing to ClaRa CLA, version 1.0 the author has granted the ClaRa development team a permanent right to use and modify his initial contribution as well as to publish it or its modified versions under the 3-clause BSD License.
The ClaRa development team consists of the following partners:
TLK-Thermo GmbH (Braunschweig, Germany)
XRG Simulation GmbH (Hamburg, Germany).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | P_target_ | Target power in p.u. | |
| ClaRa.Basics.Units.MassFlowRate | m_flow | Mass flow through pipe | |
| ClaRa.Basics.Units.Pressure | p_out | p_in - Delta_p_fric - Delta_p_geo | pressure at tube inlet |
| ClaRa.Basics.Units.EnthalpyMassSpecific | h_in | enthalpy at tube inlet | |
| ClaRa.Basics.Units.MassFraction | xi | zeros(medium.nc - 1) | |
| ClaRa.Basics.Units.Pressure | Delta_p_geo | TILMedia.VLEFluid.MixtureCompatible.Functions.density_phxi(medium, p_in, h_in, xi)*Modelica.Constants.g_n*(z_out - z_in) | Geostatic pressure difference |
| ClaRa.Basics.Units.Pressure | p_in | Inlet pressure | |
| Integer | N_cv | size(Delta_x, 1) | Number of finite volumes |
| ClaRa.Basics.Units.PressureDifference | Delta_p_fric | Actual friction pressure loss | |
| ClaRa.Basics.Units.Pressure[N_cv] | p | Basics.Functions.pressureInterpolation(p_in, p_out, Delta_x, frictionAtInlet, frictionAtOutlet) | Rprt: Discretisised pressure |
| Fundamental Definitions | |||
| TILMedia.VLEFluid.Types.BaseVLEFluid | medium | simCenter.fluid1 | Medium in the component |
| ClaRa.Basics.Units.Pressure | Delta_p_nom | Nominal pressure loss | |
| ClaRa.Basics.Units.Length | z_in | 0.0 | Geodetic height at inlet |
| ClaRa.Basics.Units.Length | z_out | 0.0 | Geodetic height at outlet |
| Part Load Definition | |||
| Real[:,2] | CharLine_Delta_p_fric_P_target_ | [0, 0; 1, 1] | Characteristic line of friction loss as function of mass flow rate |
| Discretisation (for reporting only) | |||
| ClaRa.Basics.Units.Length[:] | Delta_x | fill(abs(z_in - z_out)/3, 3) | Discretisation scheme |
| Boolean | frictionAtInlet | false | True if pressure loss between first cell and inlet shall be considered |
| Boolean | frictionAtOutlet | false | True if pressure loss between last cell and outlet shall be considered |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Fundamentals.SteamSignal_green_a | inlet | ||
| Fundamentals.SteamSignal_green_b | outlet |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.SimCenter | simCenter | ||
| Summary | summary |
Contents
| Name | Description |
|---|---|
 Summary |
Revisions
For revisions please consult the html-documentation shipped with ClaRa.