SCMHTCKazimiCarelli.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#include "SCMHTCKazimiCarelli.h"

registerMooseObject("SubChannelApp", SCMHTCKazimiCarelli);

InputParameters
SCMHTCKazimiCarelli::validParams()
{
  InputParameters params = SCMHTCClosureBase::validParams();
  params.addClassDescription(
      "Class that computes the convective heat transfer coefficient using the "
      "Kazimi-Carelli correlation. Only use for fuel-pins.");
  return params;
}

SCMHTCKazimiCarelli::SCMHTCKazimiCarelli(const InputParameters & parameters)
  : SCMHTCClosureBase(parameters)
{
  // Check that Kazimi-Carelli is not used for the duct (not supported yet)
  if (const auto * duct_uo = _scm_problem.getDuctHTCClosure(); duct_uo && duct_uo == this)
    mooseError("'Kazimi-Carelli' is not yet supported for the 'duct_htc_correlation'.");
}

Real
SCMHTCKazimiCarelli::computeNusseltNumber(const FrictionStruct & /*friction_args*/,
                                          const NusseltStruct & nusselt_args) const
{
  const auto pre = computeNusseltNumberPreInfo(nusselt_args);
  const auto Pe = pre.Re * pre.Pr;
  const auto turbulent_Pe = turbulentReynoldsNumber(pre) * pre.Pr;

  if (Pe < 10 || Pe > 5000)
    flagSolutionWarning("Peclet number (Pe) out of range for the Kazimi-Carelli correlation.");

  if (pre.poD < 1.1 || pre.poD > 1.4)
    flagSolutionWarning(
        "Pitch over pin diameter ratio out of range for the Kazimi-Carelli correlation.");

  const auto NuT = 4.0 + 0.33 * std::pow(pre.poD, 3.8) * std::pow((turbulent_Pe / 1e2), 0.86) +
                   0.16 * std::pow(pre.poD, 5);
  return blendTurbulentNusseltNumber(pre, NuT);
}