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×î½üÔÚÄ£Äâ±¥ºÍÕôÆûÇãб¹ÜÄÚÄý½á»»ÈȵÄÀý×Ó£¬¿ÉÊÇÒºÏàÌå»ý·ÖÊýÒ»Ö±ÊÇÔÚ10e-7×óÓÒÅÇ»²£¬udf¾ÍÊÇÓõÄÍøÉÏËѵ½µÄÕô·¢ÀäÄýÄ£ÐÍ£¬ÁíÍ⻹ÓиöÖÊÁ¿ÊäÔË·½³Ì£¬¾ßÌå¼ûÏ·½£¬È»ºóÎÒÉèÖÃÆøÏàΪÖ÷ÏàÒºÏàΪ´ÎÏ࣬ÓõÄmixÄ£ÐÍ£¬ÓдóÉñÄܰïÎÒ½â´ðÒ»ÏÂÂð£¬ÒªÊÇÓÐÈÈÐÄÈËÄܰï°ïæģÄâÒ»ÏÂ×îºÃÁË£¬Ð¡µÜ¸Ð¼¤²»¾¡£¬ÒòΪÊdzõѧÕߣ¬ËùÒÔºÃ¶àµØ·½Ò»Í·ÎíË®£¬Ð»Ð»´ó¼ÒÁË£¡¹Ü×ÓÄ£ÐÍÊÇ0.2m¡Á10m£¬2άģÐÍ£¬Çã½Ç60¡ã£¬¹ÜÄÚѹÁ¦15kpaºã¶¨£¬ÕôÆûζÈ327K£¬±ÚÎÂ293K£¬Èë¿ÚÖÊÁ¿±ß½çÌõ¼þ0.1kg/s£¬³ö¿ÚѹÁ¦±ß½çÌõ¼þ³ö¿Ú»ìºÏÎïζÈ325K #include "udf.h" #include "sg_mphase.h" #define T_SAT 327 #define LAT_HT 2.e3 DEFINE_SOURCE(liq_src, cell, pri_th, dS, eqn) { Thread *mix_th, *sec_th; real m_dot_l; mix_th = THREAD_SUPER_THREAD(pri_th); sec_th = THREAD_SUB_THREAD(mix_th,1); if(C_T(cell, mix_th)>=T_SAT) { m_dot_l = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)* fabs(C_T(cell, mix_th) - T_SAT)/T_SAT; dS[eqn] = -0.1*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT)/T_SAT; } else { m_dot_l = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*fabs(T_SAT-C_T(cell,mix_th))/T_SAT; dS[eqn] = 0.; } return m_dot_l; } DEFINE_SOURCE(vap_src, cell, sec_th, dS, eqn) { Thread * mix_th, *pri_th; real m_dot_v; mix_th = THREAD_SUPER_THREAD(sec_th); pri_th = THREAD_SUB_THREAD(mix_th, 0); if(C_T(cell, mix_th)>=T_SAT) { m_dot_v = 0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT)/T_SAT; dS[eqn] = 0.; } else { m_dot_v = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*fabs(T_SAT-C_T(cell,mix_th))/T_SAT; dS[eqn] = -0.1*C_R(cell, sec_th)* fabs(C_T(cell, mix_th) - T_SAT)/T_SAT; } return m_dot_v; } DEFINE_MASS_TRANSFER(lic_gas_source,cell,thread,from_index,from_species_index,to_index,to_species_index) { Thread *gas, *liq; real m_1g; gas=THREAD_SUB_THREAD(thread,from_index); liq=THREAD_SUB_THREAD(thread,to_index); m_1g=0.; if(C_T(cell,liq)>=T_SAT) m_1g=-0.1*C_VOF(cell,liq)*C_R(cell,liq)*fabs(C_T(cell,liq)-T_SAT)/T_SAT; else{ if(m_1g==0.) m_1g=0.1*C_VOF(cell,gas)*C_R (cell,gas)* fabs(T_SAT-C_T(cell,gas))/T_SAT; } return (m_1g); } DEFINE_SOURCE(enrg_src, cell, mix_th, dS, eqn) { Thread *pri_th, *sec_th; real m_dot; pri_th = THREAD_SUB_THREAD(mix_th, 0); sec_th = THREAD_SUB_THREAD(mix_th, 1); if(C_T(cell, mix_th)>=T_SAT) { m_dot = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*fabs(C_T(cell, mix_th) - T_SAT)/T_SAT; dS[eqn] = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)/T_SAT; } else { m_dot = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*fabs(T_SAT-C_T(cell,mix_th))/T_SAT; dS[eqn] = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)/T_SAT; } return LAT_HT*m_dot; } [ Last edited by li2hebe on 2014-2-2 at 17:00 ] |
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