Fission Rate AuxKernel for LWR

Compute fission rate based on common LWR parameters.

Description

FissionRateAuxLWR is designed to calculate fission rate given rod averaged linear power and pellet dimensions.

Example Input Syntax


[AuxKernels]
  [./fissionrate]
    type = FissionRateAuxLWR
    variable = fission_rate
    rod_ave_lin_pow = rod_ave_lin_pow
    axial_power_profile = rod_axial_profile
    pellet_diameter = 1.128379169
    execute_on = 'initial timestep_begin'
    block = 2
  [../]
[]
(test/tests/fission_to_thermal_power/fission_to_thermal_power.i)

Input Parameters

  • variableThe name of the variable that this object applies to

    C++ Type:AuxVariableName

    Description:The name of the variable that this object applies to

  • pellet_diameterFuel pellet diameter in m

    C++ Type:double

    Description:Fuel pellet diameter in m

Required Parameters

  • axial_power_profileThe axial power profile function.

    C++ Type:FunctionName

    Description:The axial power profile function.

  • pellet_inner_diameter0Pellet inner diameter in m for an annular pellet

    Default:0

    C++ Type:double

    Description:Pellet inner diameter in m for an annular pellet

  • fuel_volume_ratio1Reduction factor for deviation from right circular cylinder fuel. The ratio of actual volume to right circular cylinder volume.

    Default:1

    C++ Type:double

    Description:Reduction factor for deviation from right circular cylinder fuel. The ratio of actual volume to right circular cylinder volume.

  • value1

    Default:1

    C++ Type:double

  • radial_power_profileThe radial power profile function.

    C++ Type:FunctionName

    Description:The radial power profile function.

  • rod_ave_lin_powThe rod power history function.

    C++ Type:FunctionName

    Description:The rod power history function.

  • execute_onLINEARThe 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:LINEAR

    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.

  • boundaryThe list of boundary IDs from the mesh where this boundary condition applies

    C++ Type:std::vector

    Description:The list of boundary IDs from the mesh where this boundary condition applies

  • energy_per_fission3.28451e-11energy per fission in J/fission

    Default:3.28451e-11

    C++ Type:double

    Description:energy per fission in J/fission

  • blockThe list of block ids (SubdomainID) that this object will be applied

    C++ Type:std::vector

    Description:The list of block ids (SubdomainID) that this object will be applied

Optional Parameters

  • 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.

  • seed0The seed for the master random number generator

    Default:0

    C++ Type:unsigned int

    Description:The seed for the master random number generator

  • 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

Input Files

Child Objects