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UDFÈçÏ£º
#include "udf.h"

DEFINE_MASS_TRANSFER(gas_water_transfer,cell,thread,from_index,from_species_index,to_index,to_species_index)
{
Thread *thread_g,*thread_l
real a=0.92;
real b=0.44;
real c=0.75;
real d=0.001;
real pi=3.14;
real k;
real p;
real q;
real s=0.6;

k=c*b*12.*C_VOF(cell,thread_g)/d*pow((C_DIFF EFF(cell,thread_g)*fabs(C_U(cell,thread_l)-C_U(cell,thread_g))/(pi*d)),0.5);
p=k*(a*s-C_YI(cell,thread_l,i));

return (p);
}
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