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#include "udf.h"
#include "sg_mphase.h"
#define T_SAT 373
#define LAT_HT 2.257e6
DEFINE_SOURCE(liq_src,cell,pri_th,dS,eqn)
{
   Thread *mix_th,*sec_th;
   real m_dot_l;
   mix_th=THREAD_SUPER_THREAD(pri_th);
   sec_th=THREAD_SUB_THREAD(mix_th, 1);
   if(C_T(cell,mix_th)>=T_SAT)
{
     m_dot_l=-0.1*C_VOF(cell,pri_th)*C_R(cell,pri_th)*
               fabs(C_T(cell, mix_th) - T_SAT)/T_SAT;
     dS[eqn]=-0.1*C_R(cell,pri_th)*fabs(C_T(cell,mix_th)-T_SAT)/T_SAT;
}
  else
{
     m_dot_l=0.1*C_VOF(cell,sec_th)*C_R(cell,sec_th)*fabs(T_SAT-C_T(cell,mix_th))/T_SAT;
     dS[eqn]=0.;
}   
  return m_dot_l;
}
DEFINE_SOURCE(vap_src,cell,sec_th,dS,eqn)
{
   Thread *mix_th,*pri_th;
   real m_dot_v;
   mix_th=THREAD_SUPER_THREAD(sec_th);
   pri_th=THREAD_SUB_THREAD(mix_th,0);
   if(C_T(cell,mix_th)>=T_SAT)
{
     m_dot_v=0.1*C_VOF(cell,pri_th)*C_R(cell,pri_th)*fabs(C_T(cell,mix_th)-T_SAT)/T_SAT;
     dS[eqn]=0.;
}
     else
{
     m_dot_v=-0.1*C_VOF(cell,sec_th)*C_R(cell,sec_th)*fabs(T_SAT-C_T(cell,mix_th))/T_SAT;
     dS[eqn]=-0.1*C_R(cell,sec_th)*fabs(C_T(cell,mix_th)-T_SAT)/T_SAT;
}
  return m_dot_v;
}
DEFINE_MASS_TRANSFER(lic_gas_source,cell,thread,from_index,from_species_index,to_index,to_species_index)
{
  Thread *gas,*liq;
  real m_lg;
  gas=THREAD_SUB_THREAD(thread,from_index);
  liq=THREAD_SUB_THREAD(thread,to_index);
  m_lg=0.;
  if(C_T(cell,liq)>=T_SAT)
    m_lg=-0.1*C_VOF(cell,liq)*C_R(cell,liq)*fabs(C_T(cell,liq)-T_SAT)/T_SAT;
  else
{
    if(m_lg==0.)
    m_lg=0.1*C_VOF(cell,gas)*C_R(cell,gas)*fabs(T_SAT-C_T(cell,gas))/T_SAT;
}
  return (m_lg);
}
DEFINE_SOURCE(enrg_src,cell,mix_th,dS,eqn)
{
  Thread *pri_th,*sec_th;
  real m_dot;
  pri_th=THREAD_SUB_THREAD(mix_th,0);
  sec_th=THREAD_SUB_THREAD(mix_th,1);
  if(C_T(cell,mix_th)>=T_SAT)
{
   m_dot=-0.1*C_VOF(cell,pri_th)*C_R(cell, pri_th)*fabs(C_T(cell,mix_th)-T_SAT)/T_SAT;
   dS[eqn]=-0.1*C_VOF(cell,pri_th)*C_R(cell,pri_th)/T_SAT;
}  
  else
{
    m_dot=0.1*C_VOF(cell,sec_th)*C_R(cell,sec_th)*fabs(T_SAT-C_T(cell,mix_th))/T_SAT;
    dS[eqn]=0.1*C_VOF(cell,sec_th)*C_R(cell,sec_th)/T_SAT;
}
  return LAT_HT*m_dot;
}

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