Coalescence_bulles_1groupe_Yao_Morel.cpp

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/// Wei Yao, Christophe Morel, Volumetric interfacial area prediction in upward bubbly two-phase flow, International Journal of Heat and Mass Transfer, 2004, https://doi.org/10.1016/j.ijheatmasstransfer.2003.06.004
 
//////////////////////////////////////////////////////////////////////////////
 
#include <Coalescence_bulles_1groupe_Yao_Morel.h>
#include <Pb_Multiphase.h>
 
Implemente_instanciable(Coalescence_bulles_1groupe_Yao_Morel, "Coalescence_bulles_1groupe_Yao_Morel", Coalescence_bulles_1groupe_base);
// XD Coalescence_bulles_1groupe source_base Coalescence_bulles_1groupe NO_BRACE Source term of interfacial area
// XD attr bloc bloc_lecture bloc REQ Should be { }
// XD attr Yao_Morel chaine Yao_Morel REQ Yao Morel correlation
 
 
Sortie& Coalescence_bulles_1groupe_Yao_Morel::printOn(Sortie& os) const
{
  return os;
}
 
Entree& Coalescence_bulles_1groupe_Yao_Morel::readOn(Entree& is)
{
  n_l = find_liquid_phase();
  return is;
}
 
void Coalescence_bulles_1groupe_Yao_Morel::coefficient(const DoubleTab& alpha, const DoubleTab& p, const DoubleTab& T,
                                                       const DoubleTab& rho, const DoubleTab& nu, const DoubleTab& sigma, double Dh,
                                                       const DoubleTab& ndv, const DoubleTab& d_bulles,
                                                       const DoubleTab& eps, const DoubleTab& k_turb,
                                                       DoubleTab& coeff) const
{
  const int N = alpha.dimension(0);
  const double fac_sec = 1.e4;
  for (int k = 0 ; k < N ; k++)
    if (k != n_l && alpha(k) > 1./fac_sec) //phase gazeuse
      {
        const double We = 2. * rho(n_l) * std::pow(eps(n_l) * d_bulles(k), 2. / 3.) * d_bulles(k) / sigma(k, n_l);
        const double g_alpha = (alpha_max_1_3 - std::min(std::cbrt(alpha(k)), alpha_sec)) / alpha_max_1_3;
 
        // RC coefficient for mat
        coeff(k, n_l) = - Kc1 *1/std::min(g_alpha + Kc2 *alpha(k)*std::sqrt(We/We_cr), fac_sec)*std::exp(-Kc3*std::sqrt(We/We_cr));
 
        // dRC/dalpha cofficient for mat
        coeff(n_l, k) = (alpha(k) < alpha_sec)
                        ? - Kc1 * alpha_max_1_3 * (3.*alpha_max_1_3*Kc2 *std::sqrt(We/We_cr)*(std::cbrt(alpha(k))*std::cbrt(alpha(k))) -1.)/std::min(3.*(std::cbrt(std::max(alpha(k), 1./fac_sec))*std::cbrt(std::max(alpha(k), 1./fac_sec))), fac_sec)/std::max(alpha_max_1_3*Kc2 *std::sqrt(We/We_cr)*alpha(k) + alpha_max_1_3 - std::min(std::cbrt(alpha(k)), alpha_sec ), 1./fac_sec)/std::min(alpha_max_1_3*Kc2*std::sqrt(We/We_cr)*alpha(k) + alpha_max_1_3 - std::min(std::cbrt(alpha(k)), alpha_sec), fac_sec)*std::exp(-Kc3*std::sqrt(We/We_cr))
                        : 0.;
      }
}