ADWallHeatTransferCoefficientMikityukMaterial.C

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#include "ADWallHeatTransferCoefficientMikityukMaterial.h"
#include "SinglePhaseFluidProperties.h"
#include "FlowModelSinglePhase.h"
#include "Numerics.h"
 
registerMooseObject("ThermalHydraulicsApp", ADWallHeatTransferCoefficientMikityukMaterial);
 
InputParameters
ADWallHeatTransferCoefficientMikityukMaterial::validParams()
{
  InputParameters params = Material::validParams();
  params.addParam<MaterialPropertyName>("Hw",
                                        FlowModelSinglePhase::HEAT_TRANSFER_COEFFICIENT_WALL,
                                        "Heat transfer coefficient material property");
  params.addParam<MaterialPropertyName>(
      "rho", FlowModelSinglePhase::DENSITY, "Density of the fluid");
  params.addParam<MaterialPropertyName>("vel", FlowModelSinglePhase::VELOCITY, "Fluid velocity");
  params.addParam<MaterialPropertyName>(
      "D_h", FlowModelSinglePhase::HYDRAULIC_DIAMETER, "Hydraulic diameter");
  params.addParam<MaterialPropertyName>(
      "cp", FlowModelSinglePhase::SPECIFIC_HEAT_CONSTANT_PRESSURE, "Specific heat of the fluid");
  params.addParam<MaterialPropertyName>(
      "mu", FlowModelSinglePhase::DYNAMIC_VISCOSITY, "Dynamic viscosity of the fluid");
  params.addParam<MaterialPropertyName>(
      "k", FlowModelSinglePhase::THERMAL_CONDUCTIVITY, "Heat conductivity of the fluid");
  params.addParam<MaterialPropertyName>(
      "T", FlowModelSinglePhase::TEMPERATURE, "Fluid temperature");
  params.addParam<MaterialPropertyName>("T_wall", FlowModel::TEMPERATURE_WALL, "Wall temperature");
  params.addRequiredParam<Real>(
      "PoD", "The Pitch-to-diameter ratio value being assigned into the property");
  params.addClassDescription(
      "Computes wall heat transfer coefficient for liquid sodium using Mikityuk correlation");
  return params;
}
 
ADWallHeatTransferCoefficientMikityukMaterial::ADWallHeatTransferCoefficientMikityukMaterial(
    const InputParameters & parameters)
  : Material(parameters),
    _Hw(declareADProperty<Real>("Hw")),
    _rho(getADMaterialProperty<Real>("rho")),
    _vel(getADMaterialProperty<Real>("vel")),
    _D_h(getADMaterialProperty<Real>("D_h")),
    _k(getADMaterialProperty<Real>("k")),
    _mu(getADMaterialProperty<Real>("mu")),
    _cp(getADMaterialProperty<Real>("cp")),
    _T(getADMaterialProperty<Real>("T")),
    _T_wall(getADMaterialProperty<Real>("T_wall")),
    _PoD(getParam<Real>("PoD"))
{
}
 
void
ADWallHeatTransferCoefficientMikityukMaterial::computeQpProperties()
{
  using std::max, std::exp, std::pow;
 
  ADReal Pe = max(1.0, THM::Peclet(1., _cp[_qp], _rho[_qp], _vel[_qp], _D_h[_qp], _k[_qp]));
 
  if (_PoD > 1.5 || _PoD < 1.1 || Pe > 5000 || Pe < 30)
  {
    mooseDoOnce(mooseWarning(
        "Mikityuk's correlation is valid when Pe is between 30 and 5000, and P/D is between 1.1 "
        "and 1.5. Be aware that using values out of this range may lead to "
        "significant errors in your results!"));
  }
 
  ADReal Nu = 0.047 * (1 - exp(-3.8 * (_PoD - 1))) * (pow(Pe, 0.77) + 250);
  _Hw[_qp] = THM::wallHeatTransferCoefficient(Nu, _k[_qp], _D_h[_qp]);
}