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udf±àд
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#include "udf.h" DEFINE_VR_RATE(vol_reac_rate,c,t,r,wk,yk,rate,rr_t) { real ci, prod; int i; /* Calculate Arrhenius reaction rate */ prod = 1.; for(i = 0; i < r->n_reactants; i++) { ci = C_R(c,t) * yk[r->reactant] / wk[r->reactant]; prod *= pow(ci, r->exp_reactant); } *rate = r->A * exp(- r->E / (UNIVERSAL_GAS_CONSTANT * C_T(c,t))) * pow(C_T(c,t), r->b) * prod; *rr_t = *rate; /* No "return..;" value. */ } ÇëÎÊÒ»ÏÂprod *= pow(ci, r->exp_reactant);ÕâÊDz»ÊÇŨ¶ÈµÄ¶àÉٴη½£¬Èç¹û¾ßÌåÊÇCi^2£¬ÄÇÕâ¸ö2µÄÖµÔõôÑùÌí¼Ó½øÈ¥ |
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