CFD Simulation for Separation of Carbon Dioxide-Methane Mixture by Pressure Swing Adsorption

Algorithm 1

User defined function.

User defined function:

#include “udf.h”

DEFINE_SOURCE(second, c, t, dS, eqn)

{

real source;

source = −0.00004461296 * C_P(c, t) * exp(1/C_T(c, t));

dS[eqn] = −0.00004461296 * exp(1/C_T(c, t));

return source;

}

#include “udf.h”

DEFINE_SOURCE(third, c, t, dS, eqn)

{

real source;

source = −0.000108218 * C_P(c, t) * exp(1/C_T(c, t));

dS[eqn] = −0.000108218 * exp(1/C_T(c, t));

return source;

}