21. Temperature-Dependent Conductivity Curve

21. Temperature-Dependent Conductivity Curve#

Defines a temperature-dependent conductivity curve.

Settings#

21_TempDepend_Sigma_Curve(21) JSON key: temperature-dependent conductivity curve object

SIGMA_CURVE_ID(21) Temperature-dependent conductivity curve identifier

TYPE(21) (text) Type of the temperature-dependent conductivity curve

DENSITY(21) Density (when TYPE = 1)

TEMPERATURE(21) Temperature

SIGMA(21) Conductivity

Input format#

Text-format section
Type:

Fixed parameter set 1

Number of rows:

1 + NO_DATA

Number of parameters:

3, NO_DATA

Text format#
* NO_SIGMA_DEPENDENT_CURVES *
        I
* SIGMA_CURVE_ID * NO_DATA * TYPE *
    I          I         I
* TEMPERATURE * SIGMA *
    E            E
    E            E

JSON format#

JSON format from 2024.11#
"21_TempDepend_Sigma_Curve" :
[
    {
        "SIGMA_CURVE_ID" : I,
        "comment" : "TYPE=0",
        "data" :
        {
            "TEMPERATURE" : [ E, ..., E ],
            "SIGMA" : [ E, ..., E ]
        }
    },
    {
        "SIGMA_CURVE_ID" : I,
        "comment" : "TYPE=1",
        "DENSITY" : E,
        "data" :
        {
            "TEMPERATURE" : [ E, ..., E ],
            "SIGMA" : [ E, ..., E ]
        }
    }
]

Detailed description#

Text-format section
NO_SIGMA_DEPENDENT_CURVES(21)#

NO_SIGMA_DEPENDENT_CURVES (text)

Fixed parameter set 1#
[row, col] = [1, 1]
Type=I

Number of temperature-dependent conductivity curves to define.

21_TempDepend_Sigma_Curve#

21_TempDepend_Sigma_Curve(21)#
JSON key:

Temperature-dependent conductivity curve object

<TEMP_DEPEND module> is required.

SIGMA_CURVE_ID#

SIGMA_CURVE_ID(21)#
Text-format section
Fixed parameter set 1#
[row, col] = [2, 1]
Type=I
Type:

Integer (I)

Description:

Temperature-dependent conductivity curve identifier.

Text-format section
NO_DATA(21)#

NO_DATA (text)

Fixed parameter set 1#
[row, col] = [2, 2]
Type=I
Type:

Integer (I)

Description:

Number of data points.

TYPE(21)#

TYPE (text)

Fixed parameter set 1#
[row, col] = [2, 3]
Type=I
Type:

Integer (I)

Value:

0 or 1

Description:

Type of the temperature-dependent conductivity curve. The default is 0.

  • 0: Temperature-dependent conductivity curve

  • 1: Temperature-dependent conductivity curve (adiabatic temperature rise)

DENSITY#

DENSITY(21)#
Text-format section
Fixed parameter set 1#
[row, col] = [3, 1]

Required only when TYPE=1.

Type:

Real number (E)

Unit:

\(\mathrm{kg/m^3}\)

Description:

Density.

Required only for a temperature-dependent conductivity curve with adiabatic temperature rise.

TEMPERATURE#

TEMPERATURE(21)#
Text-format section
Fixed parameter set 1#
[row, col] = [3 or 4, 1]
Type:

Real number (E)

Unit:

\(^\circ\mathrm{C}\)

Description:

Temperature. Enter as an array.

SIGMA#

SIGMA(21)#
Text-format section
Fixed parameter set 1#
[row, col] = [3 or 4, 2]
Type:

Real number (E)

Unit:

\(\mathrm{S/m}\)

Description:

Conductivity. Enter as an array.

Caution

The number of data points must be at least 2. Linear interpolation is used between points, and linear extrapolation is used outside the range.