#include "udf.h" #define cps 1800.0 #define cpl 2400.0 #define lat 160000.0 DEFINE_SPECIFIC_HEAT(cell_cp, T, Tref, h, yi) { real cpm,dt,coef; real Tl, Ts; // to be defined Tref = 308; if T<Ts coef = 0; else if T< Tl coef = (T-Ts)/(Tl-Ts); else coef = 1; dt=exp(-T*(T-Tref)*(T-Tref)/4.0)/sqrt(4.0*3.14); cpm =cps+(cpl-cps)*coef+lat*dt; *h = cpm*(T-Tref); return cpm; }
