| 3910 | | annotation (structurallyIncomplete); |
| 3911 | | SI.Conversions.NonSIunits.Temperature_degC T_degC= |
| 3912 | | Modelica.SIunits.Conversions.to_degC(T) |
| 3913 | | "Temperature of medium in [degC]"; |
| 3914 | | SI.Conversions.NonSIunits.Pressure_bar p_bar= |
| 3915 | | Modelica.SIunits.Conversions.to_bar(p) |
| 3916 | | "Absolute pressure of medium in [bar]"; |
| 3917 | | parameter Boolean standardOrderComponents = true |
| 3918 | | "if true, last element in components is computed from 1-sum(Xi)"; |
| 3919 | | annotation (Documentation(info="<html> |
| | 3910 | annotation (structurallyIncomplete, Documentation(info="<html> |
| 3925 | | the equations for the basic properties. Note, that in package |
| 3926 | | PartialMedium the following constants are defined: |
| 3927 | | </p> |
| 3928 | | <table border=1 cellspacing=0 cellpadding=2> |
| 3929 | | <tr><td valign=\"top\"><b>Type</b></td> |
| 3930 | | <td valign=\"top\"><b>Name</b></td> |
| 3931 | | <td valign=\"top\"><b>Description</b></td></tr> |
| 3932 | | <tr><td valign=\"top\">String</td><td valign=\"top\">mediumName</td> |
| 3933 | | <td valign=\"top\">Unique name of the medium (used to check whether two media in a model |
| 3934 | | are the same)</td></tr> |
| 3935 | | <tr><td valign=\"top\">String</td><td valign=\"top\">substanceNames</td> |
| 3936 | | <td valign=\"top\">Names of the mixture substances that are treated |
| 3937 | | as independent. |
| 3938 | | If medium consists of a single substance, set substanceNames=fill(\"\",0). |
| 3939 | | If medium consists of n substances, provide either n-1 or n |
| 3940 | | substance names, depending whether mass fractions |
| 3941 | | PartialMedium.BaseProperties.X shall have |
| 3942 | | dimension PartialMedium.nX = n-1 or PartialMedium.nX = n</td></tr> |
| 3943 | | <tr><td valign=\"top\">Boolean</td><td valign=\"top\">incompressible</td> |
| 3944 | | <td valign=\"top\">= true, if density is constant; otherwise set it to false</td></tr> |
| 3945 | | </table> |
| 3946 | | <p> |
| 3947 | | In every medium <b>3+nX equations</b> have to be defined that |
| 3948 | | provide relations between the following <b>5+nX variables</b>, declared |
| 3949 | | in model BaseProperties, where nX is the number of independent |
| 3950 | | mass fractions defined in package PartialMedium: |
| | 3916 | the equations for the basic properties. </p> |
| | 3917 | <p> |
| | 3918 | The BaseProperties model contains the following <b>7+nXi variables</b> |
| | 3919 | (nXi is the number of independent mass fractions defined in package |
| | 3920 | PartialMedium): |
| 3976 | | In some components, such as \"Ambient\", explicit equations for |
| 3977 | | medium variables are provided as \"boundary conditions\". |
| 3978 | | For example, the \"Ambient\" component may define a temperature |
| 3979 | | T_ambient. |
| 3980 | | </html>"), Icon(Rectangle(extent=[-100,100; 100,-100], style(fillColor=7)), Text(extent= |
| | 3952 | In order to implement an actual medium model, one can extend from this |
| | 3953 | base model and add <b>5 equations</b> that provide relations among |
| | 3954 | these variables. Equations will also have to be added in order to |
| | 3955 | set all the variables within the ThermodynamicState record state.</p> |
| | 3956 | <p> |
| | 3957 | If standardOrderComponents=true, the full composition vector X[nX] |
| | 3958 | is determined by the equations contained in this base class, depending |
| | 3959 | on the independent mass fraction vector Xi[nXi]. </p> |
| | 3960 | <p>Additional <b>2 + nXi</b> equations will have to be provided |
| | 3961 | when using the BaseProperties model, in order to fully specify the |
| | 3962 | thermodynamic conditions.</p> |
| | 3963 | </html>")); |
| | 3964 | SI.Conversions.NonSIunits.Temperature_degC T_degC= |
| | 3965 | Modelica.SIunits.Conversions.to_degC(T) |
| | 3966 | "Temperature of medium in [degC]"; |
| | 3967 | SI.Conversions.NonSIunits.Pressure_bar p_bar= |
| | 3968 | Modelica.SIunits.Conversions.to_bar(p) |
| | 3969 | "Absolute pressure of medium in [bar]"; |
| | 3970 | parameter Boolean standardOrderComponents = true |
| | 3971 | "if true, and reducedX = true, the last element of X will be computed from the other ones"; |
| | 3972 | annotation (Icon(Rectangle(extent=[-100,100; 100,-100], style(fillColor=7)), Text(extent= |
