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jimoxingzhe

гæ (³õÈëÎÄ̳)

[ÇóÖú] Çó×é´óÏÀ¸øÎÒ¿´¿´±ÉÈ˱àдµÄUDF£¬¸Ð¼¤²»¾¡¡­¡­Ð¡µÜûÓнð±Ò°¡ÎØÎØ

#include "udf.h"
#include "sg_mphase.h"
#define A 16.0114
#define B 3456.80
#define C -8.67
#define L 0.00000125.0
#define POP 101325.0
#define K 0.1
#define C10H22_NUM 0
#define LIQ_PHASE_ID 0
#define GAS_PHASE_ID 1

DEFINE_SOURCE(liq_zhengkuiwan,c,liq_thread,dS,eqn)
{
int i;
cell_t c;
Thread*gas_thread,*mixture_thread;
Domain*mixture_domain,*liq_domain,*gas_domain;
Material *gas_material,*species;
real c10h22_mole_fract,P_c10h22,total_mole,Mw[MAX_SPE_EQNS];
mixture_domain=Get_Domain(1);
liq_domain=DOMAIN_SUB_DOMAIN(mixture_domain,LIQ_PHASE_ID);
gas_domain=DOMAIN_SUB_DOMAIN(mixture_domain,GAS_PHASE_ID);  //¸Ð¾õûʲôÓ㬵ÚÒ»´Î±àдudf¾Í¶¼Ð´ÉÏÁË
mixture_thread=THREAD_SUPER_THREAD(liq_thread);
gas_thread=THREAD_SUB_THREAD(mixture_thread,GAS_PHASE_ID);
gas_material=THREAD_MATERIAL(gas_thread);
real m_dot_liq,c_s,c_g,m_kuosan;
real x[ND_ND],y=x[1];
real ps,v;  //psΪҺµÎ±íÃæ±¥ºÍѹÁ¦ vΪµ¥¸öÍø¸ñµÄÌå»ý

thread_loop_c(mixture_thread,mixture_domain) //ÔÚÕû¸ö¶þά¿ØÖÆÇø²éѯ»ìºÏÎïµÄµ¥ÔªÏß
{
begin_c_loop(c,mixture_thread)        //ÔÚµ¥ÔªÏßÉϲéѯµ¥Ôª
{if(0.01<=C_VOF(c,liq_thread)&&C_VOF(c,liq_thread)<1.0)   //²éÑ¯ÆøÒº½çÃæ´¦µÄÍø¸ñ£¬ÎÒÑ¡ÁË0.01µ½1Ö®¼ä£¬ÒòΪµ±ÒºµÎµÄÌå»ý·ÖÊýСÓÚ0.01ʱ»á²úÉú·ÐÌÚÕô·¢
{
ps=133*exp(A-B/(C_T(c,liq_th)+C);           //AntoineÕôÆøÑ¹·½³ÌÇóµÃÒºµÎ±íÃæ±¥ºÍѹÁ¦ps
c_s=ps/(C_RGAS(c,gas_thread)*C_T(c,liq_thread));   //ÇóµÃÒºµÎ±íÃæÅ¨¶È  C_RGAS(c,gas_thread)ÆøÌå³£ÊýÕâÑù¿ÉÒÔÂ𣿣¿Ò²¿ÉÒÔÖ±½ÓÊäÈë8.3134

total_mole=0;
mixture_species_loop(gas_material,species,i)
{
Mw=MATERIAL_PROP(species,PROP_mwi);
total_mole+=C_YI(c,gas_thread,i)/Mw;           //ÇóµÃÆøÒº½çÃæÍø¸ñÄÚÆøÌåµÄ×ÜĦ¶ûÊý
}
c10h22_mole_fract=(C_YI(c,gas_thread,C10H22_NUM)/Mw[C10H22_NUM])/total_mole;   //ÇóµÃÆøÒº½çÃæÄÚc10h22µÄĦ¶û·ÖÊý
P_c10h22=POP*c10h22_mole_fract;                         //ÇóµÃÆøÒº½çÃæÄÚc10h22µÄ·Öѹ
c_g=P_c10h22/(C_RGAS(c,gas_thread)*C_T(c,liq_thread));         //ÇóµÃÆøÒº½çÃæÍø¸ñÄÚÆøÌåÖÐc10h22µÄŨ¶È
m_kuosan=c_s-c_g;            //ÆøÒº½çÃæÍø¸ñÄÚÒºµÎ±íÃæc10h22Ũ¶ÈºÍÆøÌåÖÐc10h22Ũ¶ÈµÄ²îÖµ£¬´Ó¶ø²úÉúÀ©É¢
v=L*L*L;
m_dot_liq=142*K*y*m_kuosan*C_DIFF_EFF(c,gas_thread,i)/v*C_VOF(c,liq_th)*pow(1-C_VOF(c,liq_thread),2.0)*(1-(1-C_VOF(c,liq_thread))*c10h22_mole_fract);
dS[eqn]=          //×îÖÕÔ´Ïî      dS»¹Ã»ÓÐÇ󣬱ȽÏÂé·³
}
}
end_c_loop(c,mixture_thread)
return m_dot_liq;
}

[ Last edited by jimoxingzhe on 2013-4-9 at 16:14 ]
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jimoxingzhe

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y=x[1]£»Õâ¾äÓÐÎÊÌ⣬ÎÒ×Ô¼º¸ÄÁË£¬Ó¦¸ÃΪC_CENTROID£¨x,c,mixture_thread); y=x[1];
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jimoxingzhe

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