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materials

Materials module for engineering calculations and properties.

eurofer97_thermal_conductivity(temp)

Calculates the thermal conductivity of the first wall material (Eurofer97).

Parameters:

Name Type Description Default
temp float

Property temperature in Kelvin (K).

 required

Returns:

Type Description
float

Thermal conductivity of Eurofer97 in W/m/K.
Notes

Valid up to about 800 K

References

  • A. A. Tavassoli et al., “Materials design data for reduced activation martensitic steel type EUROFER,” Journal of Nuclear Materials, vol. 329-333, pp. 257-262, Aug. 2004, doi: https://doi.org/10.1016/j.jnucmat.2004.04.020.

  • Tavassoli, F. "Fusion Demo Interim Structural Design Criteria (DISDC)/Appendix A Material Design Limit Data/A3. S18E Eurofer Steel." CEA, EFDA_TASK_TW4-TTMS-005-D01 (2004)

Source code in process/models/engineering/materials.py 
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def eurofer97_thermal_conductivity(temp: float) -> float:
    """Calculates the thermal conductivity of the first wall material (Eurofer97).

    Parameters
    ----------
    temp:
        Property temperature in Kelvin (K).

    Returns
    -------
    :
        Thermal conductivity of Eurofer97 in W/m/K.

    Notes
    -----
    Valid up to about 800 K

    References
    ----------
    - A. A. Tavassoli et al., “Materials design data for reduced activation martensitic
      steel type EUROFER,”
      Journal of Nuclear Materials, vol. 329-333, pp. 257-262, Aug. 2004,
      doi: https://doi.org/10.1016/j.jnucmat.2004.04.020.

    - Tavassoli, F. "Fusion Demo Interim Structural Design Criteria (DISDC)/Appendix A
      Material Design Limit Data/A3. S18E Eurofer Steel."
      CEA, EFDA_TASK_TW4-TTMS-005-D01 (2004)
    """
    # temp in Kelvin
    return (
        (5.4308 + 0.13565 * temp - 0.00023862 * temp**2 + 1.3393e-7 * temp**3)
        * fwbs_variables.fw_th_conductivity
        / 28.34
    )