ElbowPipe1Phase

construction:Undocumented Class

The ElbowPipe1Phase has not been documented. The content contained on this page includes the typical automatic documentation associated with a MooseObject; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.

Bent pipe for 1-phase flow

Input Parameters

AArea of the flow channel, can be a constant or a function
C++ Type:FunctionName
Controllable:Yes
Description:Area of the flow channel, can be a constant or a function
closuresClosures type
C++ Type:std::string
Controllable:No
Description:Closures type
end_angleAngle at which the pipe ends [degrees]
C++ Type:double
Controllable:No
Description:Angle at which the pipe ends [degrees]
fpFluid properties user object
C++ Type:UserObjectName
Controllable:No
Description:Fluid properties user object
n_elemsNumber of elements in each subsection along the main axis
C++ Type:std::vector<unsigned int>
Controllable:No
Description:Number of elements in each subsection along the main axis
orientationOrientation vector of the component
C++ Type:libMesh::VectorValue<double>
Controllable:No
Description:Orientation vector of the component
positionOrigin (start) of the component [m]
C++ Type:libMesh::Point
Controllable:No
Description:Origin (start) of the component [m]
radiusRadius of the pipe [m]
C++ Type:double
Controllable:No
Description:Radius of the pipe [m]
start_angleAngle at which the pipe starts [degrees]
C++ Type:double
Controllable:No
Description:Angle at which the pipe starts [degrees]

Required Parameters

D_hHydraulic diameter [m]
C++ Type:FunctionName
Controllable:Yes
Description:Hydraulic diameter [m]
PoD1Pitch-to-diameter ratio for parallel bundle heat transfer [-]
Default:1
C++ Type:double
Controllable:No
Description:Pitch-to-diameter ratio for parallel bundle heat transfer [-]
axial_region_namesNames to assign to axial regions
C++ Type:std::vector<std::string>
Controllable:No
Description:Names to assign to axial regions
fWall friction factor [-]
C++ Type:FunctionName
Controllable:Yes
Description:Wall friction factor [-]
gravity_vector0 0 -9.81Gravitational acceleration vector [m/s^2]
Default:0 0 -9.81
C++ Type:libMesh::VectorValue<double>
Controllable:No
Description:Gravitational acceleration vector [m/s^2]
heat_transfer_geomPIPEConvective heat transfer geometry
Default:PIPE
C++ Type:MooseEnum
Options:PIPE, ROD_BUNDLE
Controllable:No
Description:Convective heat transfer geometry
initial_TInitial temperature in the flow channel [K]
C++ Type:FunctionName
Controllable:Yes
Description:Initial temperature in the flow channel [K]
initial_pInitial pressure in the flow channel [Pa]
C++ Type:FunctionName
Controllable:Yes
Description:Initial pressure in the flow channel [Pa]
initial_velInitial velocity in the flow channel [m/s]
C++ Type:FunctionName
Controllable:Yes
Description:Initial velocity in the flow channel [m/s]
lump_mass_matrixFalseLump the mass matrix
Default:False
C++ Type:bool
Controllable:No
Description:Lump the mass matrix
pipe_pars_transferredFalseSet to true if Dh, P_hf and A are going to be transferred in from an external source
Default:False
C++ Type:bool
Controllable:No
Description:Set to true if Dh, P_hf and A are going to be transferred in from an external source
rdg_slope_reconstructionNONESlope reconstruction type for rDG spatial discretization
Default:NONE
C++ Type:MooseEnum
Options:FULL, MC, MINMOD, NONE, SUPERBEE
Controllable:No
Description:Slope reconstruction type for rDG spatial discretization
rotation0Rotation of the component [degrees]
Default:0
C++ Type:double
Controllable:No
Description:Rotation of the component [degrees]
roughness0Roughness [m]
Default:0
C++ Type:double
Controllable:No
Description:Roughness [m]

Optional Parameters

control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Controllable:No
Description:Set the enabled status of the MooseObject.

Advanced Parameters

Input Files

(modules/thermal_hydraulics/test/tests/components/elbow_pipe_1phase/phy.position.i)

References

No citations exist within this document.

(modules/thermal_hydraulics/test/tests/components/elbow_pipe_1phase/phy.position.i)

[GlobalParams]
  gravity_vector = '0 -9.81 0'

  initial_T = 310
  initial_p = 1e5
  initial_vel = 0

  scaling_factor_1phase = '1e0 1e-2 1e-4'

  closures = simple_closures
[]

[Modules/FluidProperties]
  [fp]
    type = StiffenedGasFluidProperties
    gamma = 2.35
    cv = 1816.0
    q = -1.167e6
    p_inf = 1.0e9
    q_prime = 0
  []
[]

[Closures]
  [simple_closures]
    type = Closures1PhaseSimple
  []
[]

[Components]
  [pipe]
    type = ElbowPipe1Phase
    # geometry
    position = '0 0 0'
    orientation = '1 0 0'
    start_angle = 270
    end_angle = 360
    radius = 0.25
    n_elems = 50

    # d = 0.1 m
    A   = 7.8539816340e-03
    D_h  = 1.0000000000e-01
    f = 0.1

    fp = fp
  []

  [inlet]
    type = SolidWall1Phase
    input = 'pipe:in'
  []

  [outlet]
    type = SolidWall1Phase
    input = 'pipe:out'
  []
[]

[Preconditioning]
  [SMP_PJFNK]
    type = SMP
    full = true
  []
[]

[Problem]
  solve = false
[]

[Executioner]
  type = Transient
  scheme = 'bdf2'

  start_time = 0
  dt = 1e-2
  num_steps = 1
  abort_on_solve_fail = true

  solve_type = 'PJFNK'
  nl_rel_tol = 1e-10
  nl_abs_tol = 1e-8
  nl_max_its = 30

  l_tol = 1e-2
  l_max_its = 30
[]

[Outputs]
  exodus = true
  show = 'A'
[]

Input Parameters
Input Files
References

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