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li343

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#include
#include

void main()
{
   int i,j;
   double t,a1,a2,a3,P,Pc,Tc,T,Tr;
   double c0,c1,c2,c3,Mole,a_T,a1_T,v,R,X0,w;
   double m,ac,b,Afa_T;
   double h1,h2,H;

   a1=6.6400537;
   a2=8.3412027;
   a3=27.498677;

   if(-100    {
          c0=3.089329; c1=0.1020401; c2=-2.400100e-4; c3=4.126521e-7;
   }
   if(298<=T<1500)
   {
          c0=-2.207131; c1=0.1002983; c2=-0.5530711e-4; c3=0.1187821e-7;
   }
   
   X0=249.4758;

   Tc=408.16;  //ÁÙ½çζÈ/K
   Pc=3684e+3;    //ÁÙ½çѹÁ¦/kPa
   Mole=58.12; //·Ö×ÓÁ¿
   w=0.1756;   //Æ«ÐÄÒò×Ó
   R=8.314;    //ÆøÌå³£Êý

   T=338.15;  
   Tr=T/Tc;
   t=1-Tr;
   
   m=0.37464+1.54226*w-0.22992*w*w;
   ac=0.45724*pow((R*Tc),2)/Pc;
   b=0.07780*R*Tc/Pc;
   Afa_T=pow((1+m*(1-pow(Tr,0.5))),2);
   a_T=ac*Afa_T;
   a1_T=-m*a_T*pow(Tr,0.5)*pow(Afa_T,-0.5)/T;

   double V[1000];
   V[0]=0.7;
   for(i=0;i<=1000;i++)
   {
           V[i+1]=pow(((R*T-P*b)*pow(V,2)+(2*R*T*b+3*P*b-a_T)*V-(P*pow(b,3)+R*T*pow(b,2)-a_T*b))/P,(1/3));
v=V;
   }
   
   printf("%f\n",m);
   printf("%f\n",ac);
   printf("%f\n",b);
   printf("%f\n",Afa_T);
   printf("%f\n",a_T);
   printf("%f\n",a1_T);

   printf("\n";

   P=Pc*exp((a1+a2*pow(t,1.78)+a3*pow(t,6.06))*log(Tr));  //±¥ºÍÕôÆûѹ,Pa

   h1=c0*T+c1*pow(T,2)/2+c2*pow(T,3)/3+c3*pow(T,4)/4;
   h2=(a_T-T*a1_T)*log((v-0.4142*b)/(v+2.4142*b))/(2*sqrt(2)*a1_T*b);
   H=4.1868*h1/Mole+h2+P*v-R*T+X0; //ìÊÖµ,J/(kg*K)

   printf("%lf\n",P/1000);
   printf("%lf\n",v);
   printf("%lf\n",H/1000);

}

[ Last edited by ÓàÔó³É on 2009-11-26 at 20:25 ]
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sitonyl

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li343(½ð±Ò+1,VIP+0): 7-30 13:50
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li343

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Originally posted by sitonyl at 2009-7-30 10:48:
v=V;
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[ Last edited by li343 on 2009-7-30 at 11:41 ]
3Â¥2009-07-30 11:32:18
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test.c: In function `main':
test.c:48: error: incompatible type for argument 1 of `pow'
test.c:48: error: invalid operands to binary *
test.c:49: error: incompatible types in assignment
test.c:5: warning: return type of 'main' is not `int'
4Â¥2009-07-30 12:35:46
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ms98

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richsuper

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wangen994(½ð±Ò+1,VIP+0):лл²ÎÓëÌÖÂÛ 7-30 21:54
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tjpm

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Originally posted by richsuper at 2009-7-30 21:14:
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8Â¥2009-07-30 22:31:35
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