請(qǐng)教各位大神，我在百度上找到了水蒸氣的相變udf，放到我的模型中后，水蒸氣在溶液區(qū)域冷凝放熱，溶液區(qū)域溫度升高過(guò)快，是正確溫升的五百倍左右，請(qǐng)問(wèn)除了改相變潛熱以外還有什么解決方案？因?yàn)楦牧讼嘧儩摕嶂�后物理意義就不正確了
#include "udf.h"
#include "sg_mphase.h"
#define T_SAT 373
#define LAT_HT 2640000
end_f_loop(f,thread)
}
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]=0.0;  
    }
  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)
    {  
     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]=-0.03141*C_R(cell,sec_th)*fabs(C_T(cell,mix_th)-T_SAT)/T_SAT;
   }
return m_dot_v;
}

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;  
}@wuming524@wuming524@wuming524 返回小木蟲(chóng)查看更多