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#include "udf.h" /*°üÀ¨³£¹æºê*/ #define pi 3.1415 /*Ô²ÖÜÂʳ£Êý*/ #define R 8.314 /*gas constant 8.314j/mol.K*/ #define moleweight 0.018 /*SI unit water mole weight 0.018kg/mol */ #define A 7.19621 #define B 1730.63 #define C 233.426 DEFINE_EXCHANGE_PROPERTY(liq_gas_source, cell, thread, liq_i, gas_i) { real m_lg; real P_SAT; Thread *gas = THREAD_SUB_THREAD(thread, gas_i); Thread *liq = THREAD_SUB_THREAD(thread, liq_i); P_SAT=exp(A-B/(C_T(cell,gas)+C-273.15))*1e3; /*¶¨Òå±¥ºÍÕôÆûѹÓëÒºÏàζȵĹØÏµÊ½£¬¼´antoine¹«Ê½*/ m_lg = 0.; if(C_P(cell,liq) if(C_P(cell,gas)>P_SAT) m_lg=(P_SAT-C_P(cell,gas))*sqrt(moleweight/(2*pi*R*C_T(cell,gas))); /*Äý½áµÄÖÊÁ¿*/ return (m_lg); } ÉÏÊö³ÌÐòÊÇ˵¹ØÓÚË®µÄÕô·¢ºÍÀäÄýµÄ£¬µ±Ë®µÄѹǿСÓÚ±¥ºÍÕôÆûѹʱ£¬Ë®·ÖÕô·¢£»Êµ¼Êѹǿ´óÓÚ±¥ºÍÕôÆûѹʱ£¬Ë®ÆûÄý½á¡£ ±àÍêÁËÖ®ºó²»ÊǺÜÈ·¶¨£¬Óм¸¸öÒÉÎÊ £¨1£©DEFINE_EXCHANGE_PROPERTYºêÊÇ·ñ½«ÕýµÄ·µ»ØÖµ´«µÝ¸øÒºÏàÔ´Ï࣬¶ø½«¸ºµÄ·µ»ØÖµ´«µÝ¸øÆøÏàÔ´Ïࣿ £¨2£©ÓÃÁËÉÏÊöºêÖ®ºóÊÇ·ñ¾Í²»ÐèÒªÔÙ±àдÁ½ÏàÔ´ÏàµÄºêÁËÄØ£¿ £¨3£©ÎÒÒýÓõÄÕô·¢Âʵĵ¥Î»ÊÇkg/(s.m2)£¬ºÍÁ¬ÐøÐÔ·½³ÌÖеÄkg/(s.m3)²»Ò»Ñù¡£¿ÉÊÇÕô·¢ÂʱíʾµÄÊǵ¥Î»Ê±¼äµ¥Î»Ãæ»ýµÄÕô·¢ÖÊÁ¿£¬ÈçºÎÄܺÍÁ¬ÐøÐÔ·½³ÌÖеĵ¥Î»±ä³ÉÒ»ÑùµÄÄØ£¿ £¨4£©ÔÚÉÏÊöºêÖ®Í⣬ÊÇ·ñ»¹ÐèÒª¸øÄÜÁ¿¼ÓÒ»¸öÔ´Ïࣿ ÇëºÍÎÒÑо¿·½ÏòÏàËÆµÄ³æÓѶà¶à°ï棬лл |
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3Â¥2012-08-24 17:10:10
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