modelSteamTurbineVLE_L1
Extends from ClaRa.Components.TurboMachines.Turbines.SteamTurbine_base (Base class for steam turbines), ClaRa.Basics.Icons.ComplexityLevel (Displays the complexity level inside model icon ).
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 | Kt | (m_flow_nom*sqrt(p_nom))/(sqrt(p_nom^2 - p_nom^2*Pi^2)*sqrt(rho_nom)) | Kt coefficient of Stodola's law |
| Fundamental Definitions | |||
| TILMedia.VLEFluid.Types.BaseVLEFluid | medium (from SteamTurbine_base) | simCenter.fluid1 | Medium in the component |
| Mechanical and Efficiency Settings › Mechanics | |||
| Boolean | useMechanicalPort | false | True, if a mechenical flange should be used |
| Boolean | steadyStateTorque | true | True, if steady state mechanical momentum shall be used |
| ClaRa.Basics.Units.RPM | rpm_fixed | 3000 | Constant rotational speed of turbine |
| Modelica.Units.SI.Inertia | J | 10 | Moment of Inertia |
| Summary and Visualisation | |||
| Boolean | showExpertSummary | simCenter.showExpertSummary | True, if expert summary should be applied |
| Boolean | showData | true | True, if a data port containing p,T,h,s,m_flow shall be shown, else false |
| Boolean | contributeToCycleSummary | simCenter.contributeToCycleSummary | True if component shall contribute to automatic efficiency calculation |
| Nominal values | |||
| Modelica.Units.SI.Pressure | p_nom | 300e5 | Nominal inlet perssure |
| Modelica.Units.SI.MassFlowRate | m_flow_nom | 419 | Nominal mass flow rate |
| Real | Pi | 5000/300e5 | Nominal pressure ratio |
| Modelica.Units.SI.Density | rho_nom | 10 | Nominal inlet density |
| Initialisation | |||
| Integer | initOption | 0 | Type of initialisation |
| ClaRa.Basics.Units.RPM | rpm_start | 10000 | Start value for RPM (use without electric boundary) |
| Modelica.Units.SI.Pressure | p_in_start | p_nom | Start value for inlet pressure |
| Modelica.Units.SI.Pressure | p_out_start | p_nom*Pi | Start value for outlet pressure |
| Boolean | allowFlowReversal | simCenter.steamCycleAllowFlowReversal | True to allow flow reversal during initialisation |
| Mechanical and Efficiency Settings › Turbine Efficiency | |||
| Real | eta_mech | 0.98 | Mechanical efficiency |
| Expert Settings | |||
| Boolean | chokedFlow | false | With a large number of turbine stages the influence of supercritical flow conditions can be neglected |
Connectors
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SimCenter | simCenter (from SteamTurbine_base) | ||
| ClaRa.Basics.Interfaces.Connected2SimCenter | connected2SimCenter | ||
| String | complexity (from ComplexityLevel) | "??" | |
| Modelica.Units.SI.SpecificEnthalpy | h_is | Isentropic outlet enthalpy | |
| Modelica.Units.SI.Power | P_t | Turbine hydraulic power | |
| Modelica.Units.SI.Pressure | p_in | ||
| Modelica.Units.SI.Pressure | p_out | ||
| Real | eta_is | Isentropic efficiency | |
| Modelica.Units.SI.EntropyFlowRate | S_irr | Entropy production rate | |
| Modelica.Units.SI.Pressure | p_l | Laval pressure | |
| ClaRa.Basics.Units.RPM | rpm | ||
| Fundamentals.IComTurbine | iCom | ||
| Summary | summary | ||
| Efficiency | efficiency | Efficiency model |
Contents
| Name | Description |
|---|---|
 Efficiency | |
 Outline | |
 Summary |
Revisions
For revisions please consult the html-documentation shipped with ClaRa.