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ÎҵĿÎÌâÊÇÓÃFLUENT×ö·Ö×ÓÕôÁóÆ÷µÄҺĤÁ÷Ìå´«ÖÊ´«Èȹý³ÌÄ£Ä⣬ģÄâÎïϵÊÇDHA¡¢ÓÍËᣨoa£©¡¢»¨ÉúËÄÏ©Ëᣨara£©£¬ËùÑ¡µÄ¼¸ºÎÇøÓòÊǸß200mm£¬¿í1mmµÄÊúֱҺĤ£¬²Ù×÷ѹÁ¦Îª1pa£¬É϶˽ø¿ÚΪmass-flow-inlet£¬×ó²àΪÕô·¢±ÚÃæ£¬Ï¶ËΪѹÁ¦³ö¿Ú¡£Ä¿Ç°Óöµ½µÄÎÊÌâÊÇ£º 1¡¢ÓÒ²àҺĤ±íÃæµÄ±ß½çÌõ¼þ²»ÖªµÀÒªÈçºÎѡȡ 2¡¢ÒºÄ¤±íÃæÉæ¼°µ½¶à×é·ÖµÄÕô·¢£¬ËùÒÔÎÒÏëÔÚÕâ¸ö±ß½çÉϼÓÈëÒ»¸öudf 1£©ÎÒÖ»×ö×ÝÏòÉϵÄһάÑо¿£¬°Ñ×é·ÖµÄÕô·¢ËÙÂʱà³Éudf£¬µ«ÊÇÔÚµ¼Èëfluentʱ×ÜÊÇÓдíÎó£¬ÄúÄܰÑÎÒ¿´Ò»Ï³ÌÐòÂð£¿Ð»Ð»£¡ #include "udf.h" DEFINE_SOURCE(evapor, cell, thread,j) { real nc=80000; real zl=3; real p; real m_e; real M[3]={328.49,282.46,302.45}; real T; real T0=573; real fm; real p0[3]={3200,2800,3000}; real x0[3]={0.2158,0.6268,0.1574}; real interval; real x; if (interval==1) { for (j=0;j<3;j++) { x=x0[j]; } T[cell]=T0; } else { for (i=1;i<=zl;i++) { fm=0; fm=fm+C_YI(cell,thread,i)/M[i-1]; } for (j=1;j<=zl;j++) { x[cell,j]=C_YI(cell,thread,j)/M[j-1]/fm; } T[cell]=C_T(cell,thread); } p[cell,j]=p0[j-1]; m_e(cell,thread,j)=0.9*15.8*x[cell,j]*P[cell,j]*M[j]/T[cell]; return m_e(cell,thread,i,j); } 2£©ÎÒÒ²³¢ÊÔ׎«ÂÛ̳ÀïË®Õô·¢µÄudfÐ޸ijɶà×é·ÖµÄÕô·¢£¬µ«Êdzɹ¦µ¼ÈëUDFºó£¬fluent²»ÄÜÔËÐУ¬ÄúÄܰïÎÒ°ÑÕâ¸öudfÒ²¿´¿´Âð£¿Ð»Ð»£¡ #include "udf.h" #include "sg_mphase.h" #define T_SAT_dha 593 #define T_SAT_ara 533 #define T_SAT_oa 523 #define LAT_HT_dha 237425.8 #define LAT_HT_ara 285632.3 #define LAT_HT_oa 280781.3 DEFINE_SOURCE(liq_src_dha, cell, pri_th, dS, eqn) { Thread *mix_th, *sec_th; real m_dot_l_dha; mix_th = THREAD_SUPER_THREAD(pri_th); sec_th = THREAD_SUB_THREAD(mix_th, 1); if(C_T(cell, mix_th)>=T_SAT_dha) { m_dot_l_dha = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)* fabs(C_T(cell, mix_th) - T_SAT_dha)/T_SAT_dha; dS[eqn] = -0.1*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT_dha)/T_SAT_dha; } else {m_dot_l_dha= 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*fabs(T_SAT_dha-C_T(cell,mix_th))/T_SAT_dha; dS[eqn] = 0.; } return m_dot_l_dha; } DEFINE_SOURCE(vap_src_dha, cell, sec_th, dS, eqn) { Thread * mix_th, *pri_th; real m_dot_v_dha; mix_th = THREAD_SUPER_THREAD(sec_th); pri_th = THREAD_SUB_THREAD(mix_th, 0); if(C_T(cell, mix_th)>=T_SAT_dha) {m_dot_v_dha = 0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT_dha)/T_SAT_dha; dS[eqn] = 0.; } else {m_dot_v_dha= -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)* fabs(T_SAT_dha-C_T(cell,mix_th))/T_SAT_dha; dS[eqn] = -0.1*C_R(cell, sec_th)* fabs(C_T(cell, mix_th) - T_SAT_dha)/T_SAT_dha; } return m_dot_v_dha; } DEFINE_SOURCE(liq_src_ara, cell, pri_th, dS, eqn) { Thread *mix_th, *sec_th; real m_dot_l_ara; mix_th = THREAD_SUPER_THREAD(pri_th); sec_th = THREAD_SUB_THREAD(mix_th, 1); if(C_T(cell, mix_th)>=T_SAT_ara) { m_dot_l_ara = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)* fabs(C_T(cell, mix_th) - T_SAT_ara)/T_SAT_ara; dS[eqn] = -0.1*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT_ara)/T_SAT_ara; } else {m_dot_l_ara = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*fabs(T_SAT_ara-C_T(cell,mix_th))/T_SAT_ara; dS[eqn] = 0.; } return m_dot_l_ara; } DEFINE_SOURCE(vap_src_ara, cell, sec_th, dS, eqn) { Thread * mix_th, *pri_th; real m_dot_v_ara; mix_th = THREAD_SUPER_THREAD(sec_th); pri_th = THREAD_SUB_THREAD(mix_th, 0); if(C_T(cell, mix_th)>=T_SAT_ara) {m_dot_v_ara = 0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT_ara)/T_SAT_ara; dS[eqn] = 0.; } else {m_dot_v_ara = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)* fabs(T_SAT_ara-C_T(cell,mix_th))/T_SAT_ara; dS[eqn] = -0.1*C_R(cell, sec_th)* fabs(C_T(cell, mix_th) - T_SAT_ara)/T_SAT_ara;} return m_dot_v_ara; } DEFINE_SOURCE(liq_src_oa, cell, pri_th, dS, eqn) { Thread *mix_th, *sec_th; real m_dot_l_oa; mix_th = THREAD_SUPER_THREAD(pri_th); sec_th = THREAD_SUB_THREAD(mix_th, 1); if(C_T(cell, mix_th)>=T_SAT_oa) { m_dot_l_oa= -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)* fabs(C_T(cell, mix_th) - T_SAT_oa)/T_SAT_oa; dS[eqn] = -0.1*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT_oa)/T_SAT_oa; } else {m_dot_l_oa = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*fabs(T_SAT_oa-C_T(cell,mix_th))/T_SAT_oa; dS[eqn] = 0.; } return m_dot_l_oa ; } DEFINE_SOURCE(vap_src_oa, cell, sec_th, dS, eqn) { Thread * mix_th, *pri_th; real m_dot_v_oa; mix_th = THREAD_SUPER_THREAD(sec_th); pri_th = THREAD_SUB_THREAD(mix_th, 0); if(C_T(cell, mix_th)>=T_SAT_oa) {m_dot_v_oa = 0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT_oa)/T_SAT_oa; dS[eqn] = 0.; } else {m_dot_v_oa = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)* fabs(T_SAT_oa-C_T(cell,mix_th))/T_SAT_oa; dS[eqn] = -0.1*C_R(cell, sec_th)* fabs(C_T(cell, mix_th) - T_SAT_oa)/T_SAT_oa; } return m_dot_v_oa; |
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