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DEFINE_PROPERTY(effictive,c,t)
{
real por = 0.85;      //¿×϶ÂÊ
real cpg = 1.114;
real kg = 0.06217;           //ÆøÌåµ¼ÈÈϵÊý
real effg;
effg = por*kg/cpg;
return effg;
}
DEFINE_DIFFUSIVITY(effective_cond,c,t,i)
{
real por = 0.85;
real ks = 50;
real diff;
real eb = 5.67e-8;
diff = (1-por)*ks+16*eb/(3*500)*pow(C_UDSI(c,t,TS),2);   //¼ÓÉÏ·øÉäµÈЧµ¼ÈÈϵÊý
return diff;
}
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