ɽ¶«ÑĮ̀µê²©¿µ½¡Éí£¬400Á¢·½Ó¾³ØºãμÓÈÈ¡¢¿ÕÆøÄÜÈȱÃÓ¾³ØÈÈË®»ú×éÿÌì20¶ÖÒÔÉÏÏ´Ô¡ÈÈË®






Ò»°ã°´ÏÂÁй涨²ÉÓãº
ÊÒÄÚÓÎÓ¾³Øvf £½0.2~0.5 m/s£»Â¶ÌìÓÎÓ¾³Øvf £½2~3 m/s£»
Pb——ÓëÓÎÓ¾³ØË®ÎÂÏàµÈµÄ±¥ºÍ¿ÕÆøµÄË®ÕôÆû·ÖѹÁ¦£¨mmHg£©£»
Pq——ÓÎÓ¾³ØµÄ»·¾³¿ÕÆøµÄË®ÕôÆûѹÁ¦£¨mmHg£©£»
£¨¹ãÖݶ¬Ìì¿ÕÆøÉè¼ÆÈ¡5¡æ£©
A——ÓÎÓ¾³ØµÄË®±íÃæÃæ»ý£¨m2£©£»
B——µ±µØµÄ´óÆøѹÁ¦£¨mmHg£©¡£
Ò»¡¢L25m×W17mºãÎÂÓ¾³Ø±íÃæÕô·¢ËðʧµÄÈÈÁ¿
Qx=4.1868*609*(0.0174*0.5+0.0229)(0.03569-0.008725)*760*425*(1031.2/1012.4) =714793kJ /h=170717.2kcal/h =17.1 Íòkcal/h
style="margin: 0px; padding: 0px;"
¶þ¡¢L51m×W26mºãÎÂÓ¾³Ø±íÃæÕô·¢ËðʧµÄÈÈÁ¿
Qx=4.1868*609*(0.0174*0.5+0.0229)(0.03569-0.008725)*760*1326*(1031.2/1012.4) =2230154kJ /h =532637.68kcal/h =53.26 Íòkcal/hstyle="margin: 0px; padding: 0px;"
B¡¢ÓÎÓ¾³ØµÄË®±íÃæ¡¢³Øµ×¡¢³Ø±Ú¡¢¹ÜµÀºÍÉ豸µÈ´«µ¼ËùËðʧµÄÈÈÁ¿£¬Ó¦°´ÓÎÓ¾³ØË®±íÃæÕô·¢ËðʧÈÈÁ¿µÄ20%¼ÆËãÈ·¶¨¡£
Ò»¡¢L25m×W17mÓÎÓ¾³Ø=17.1Íòkcal/h*20%=3.42Íòkcal/h
¶þ¡¢L51m×W26mÓÎÓ¾³Ø=53.26Íòkcal/h*20%=10.65Íòkcal/hstyle="margin: 0px; padding: 0px;"
C¡¢¿ÕÆøÄÜÈȱÃÓ¾³ØÈÈË®»ú×éÓÎÓ¾³Ø²¹³äË®¼ÓÈÈËùÐèµÄÈÈÁ¿£¬Ó¦°´ÏÂʽ¼ÆË㣺
Qb£½αqb§å£¨tr-tb£©/tʽÖÐ Qb——ÓÎÓ¾³Ø²¹³äË®¼ÓÈÈËùÐèµÄÈÈÁ¿()£»α——ÈÈÁ¿»»ËãϵÊý£¬α£½4.1868(kJ/kcal£»qb——ÓÎÓ¾³ØÿÈյIJ¹³äË®Á¿(L)£»§å——Ë®µÄÃܶȣ¨kg/L£©£» tr——ÓÎÓ¾³ØË®µÄζȣ¨¡æ£©¡£
6165cc½ðɳ×ÜÕ¾(Öйú¡¤VIPÈÏÖ¤)¿ÕÆøÄÜÈȱÃÓ¾³ØÈÈË®»ú×鰲װʵÀý£ºwww.powerworld.cc ½ûֹתÔØ
6165cc½ðɳ×ÜÕ¾(Öйú¡¤VIPÈÏÖ¤)¿ÕÆøÄÜÈȱÃÓ¾³ØÈÈË®»ú×鰲װʵÀý£ºwww.powerworld.cc ½ûֹתÔØ