- allow_imperfect_jacobiansFalsetrue to allow unimplemented property derivative terms to be set to zero for the AD API
Default:False
C++ Type:bool
Description:true to allow unimplemented property derivative terms to be set to zero for the AD API
- execute_onTIMESTEP_ENDThe list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM.
Default:TIMESTEP_END
C++ Type:ExecFlagEnum
Description:The list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM.
- fp_typesingle-phase-fpType of the fluid property object
Default:single-phase-fp
C++ Type:FPType
Description:Type of the fluid property object
HydrogenFluidProperties
Fluid properties for Hydrogen (H2)
Fluid properties for hydrogen are mainly calculated using the Leachman et al. equation of state (Leachman et al., 2009). This formulation uses density and temperature as the primary variables with which to calculate properties such as density, enthalpy and internal energy.
When used with the pressure and temperature interface, which is the case in the Porous Flow module, hydrogen properties are typically calculated by first calculating density iteratively for a given pressure and temperature. This density is then used to calculate the other properties, such as internal energy, directly.
Viscosity is calculated using the formulation presented in Muzny et al. (2013). Thermal conductivity is calculated using the relationship presented in Assael et al. (2011)
Dissolution of hydrogen into water is calculated using Henry's law (IAPWS, 2004).
Properties of hydrogen
Property | value |
---|---|
Molar mass | 0.00201588e kg/mol |
Critical temperature | 33.19 K |
Critical pressure | 1.315 MPa |
Critical density | 31.262kg/m |
Triple point temperature | 13.952 K |
Triple point pressure | 7.7 kPa |
Range of validity
The HydrogenFluidProperties UserObject is valid for:
13.957 K T 1000 K for p 2000 MPa
Input Parameters
- allow_duplicate_execution_on_initialFalseIn the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
Default:False
C++ Type:bool
Description:In the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector
Description:Adds user-defined labels for accessing object parameters via control logic.
- enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Description:Set the enabled status of the MooseObject.
- force_preauxFalseForces the GeneralUserObject to be executed in PREAUX
Default:False
C++ Type:bool
Description:Forces the GeneralUserObject to be executed in PREAUX
- use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Default:False
C++ Type:bool
Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Advanced Parameters
References
- Marc J Assael, J-AM Assael, Marcia L Huber, Richard A Perkins, and Yasayuki Takata.
Correlation of the thermal conductivity of normal and parahydrogen from the triple point to 1000 k and up to 100 mpa.
J. Phys. Chem. Ref. Data, 40(3):033101, 2011.[BibTeX]
- IAPWS.
Guidelines on the Henry's constant and vapour liquid distribution constant for gases in H$_2$O and D$_2$O at high temperatures.
Technical Report, IAPWS, 2004.[BibTeX]
- Jacob William Leachman, Richard T Jacobsen, SG Penoncello, and Eric W Lemmon.
Fundamental equations of state for parahydrogen, normal hydrogen, and orthohydrogen.
J. Phys. Chem. Ref. Data, 38(3):721–748, 2009.[BibTeX]
- Chris D Muzny, Marcia L Huber, and Andrei F Kazakov.
Correlation for the viscosity of normal hydrogen obtained from symbolic regression.
Journal of Chemical & Engineering Data, 58(4):969–979, 2013.[BibTeX]