Һѹ´«¶¯-¶«ÄÏ´óѧ-Ï°Ìâ½â´ð1-7ÕÂ

Ô˶¯ÖÕÖ¹ pA?pB?4MPa pC?2MPa 3£¬1YA¶Ïµç£¬2YAµÃµç£¬¸×2¶¯Ê±

pA?pB?pc?0MPa

1YA¶Ïµç£¬2YAµÃµç£¬¸×2µ½Î»Ê±

pA?pB?4MPa

pC?2MPa

6-13Èçͼ6-79Ëùʾ°ËÖֻط£¬ÒÑÖª:Һѹ±ÃÁ÷Á¿qp?10L/min,Һѹ¸×ÎÞ¸ËÇ»¶ø»ý

A1?50?10?4m2£¬ÓиËÇ»Ãæ»ýA2?25?10?4m2¡£.ÒçÁ÷·§µ÷¶¨Ñ¹Á¦pY?2.4MPa£¬¸ºÔØFL¼°½ÚÁ÷·§Í¨Á÷¶ø»ýAT¾ùÒѱêÔÚͼÉÏ£¬ÊÔ·Ö±ð¼ÆËã¸÷»Ø·ÖлîÈûµÄÔ˶¯ËٶȺÍҺѹ±ÃµÄ¹¤×÷ѹÁ¦¡£(ÉèCd?0.62, ??870kg/m3)

µÚ 29 Ò³

½â£º a

p1?F10000??2MPa ?4A50?10СÓÚÒçÁ÷·§Ñ¹Á¦£¬±Ã¹¤×÷ѹÁ¦ÓɸºÔؾö¶¨µÄΪ2 MPa¡£

q10?10?3?2m/min ËÙ¶È v???4A50?10B

p1?F1000??0.2MPa ?4A50?10СÓÚÒçÁ÷·§Ñ¹Á¦£¬±Ã¹¤×÷ѹÁ¦¸ºÔؾö¶¨µÄ0.2 MPa¡£

µÚ 30 Ò³

q10?10?3?2m/min ËÙ¶È v??A50?10?4C

¸ºÔزúÉúµÄѹÁ¦

p1?F10000??2MPa A50?10?4½ÚÁ÷·§Ñ¹²î0.8 MPa£¬

±Ã³ö¿ÚѹÁ¦2.4£¬µÃ½ØÁ÷·§µÄѹ²îΪ0.4*2=0.8 ½ÚÁ÷·§Á÷Á¿

q1?CAT±ÃÁ÷Á¿

2?P??0.62?0.01?10?42?0.8?106?2.6?10?5?0.0159m3/min

870q?0.01m3/min ¸×ËÙ

q1.59?10?3?0.64m/min v??A25?10?4D¸ºÔزúÉúѹÁ¦£º

p1?F10000??2MPa A50?10?4½ÚÁ÷·§Á÷Á¿

q?CdA0´óÓÚ5£¬ ±ÃÁ÷Á¿

2?P??0.62?5?10?62?0.8?106?60?7.9?10?3m3/min

870q?10?10?3m3/min ¸×ËÙ

q10?10?3v???2m/min

A50?10?4±Ãѹ2.4

µÚ 31 Ò³

10?10?3/60?0.62?5?10?6?p?1.25MPa

2?P 870¸×ǰѹÁ¦Îª0.625MPa

½ÚÁ÷·§Á÷Á¿£ºq?CAT?P??0.62?5?10?6?1.6?5L/min

q5?10?3v???2m/min ?4A25?10E

¸ºÔغͱ»Ñ¹²úÉúѹÁ¦£º

p1?F10000?0.3?2??0.15?2.15MPa A50?10?4½ÚÁ÷·§Á÷Á¿

q?CdA0¸×ËÙ

2?P??0.62?8?10?62?0.25?106?60?7.1?10?3m3/min

870q7.1?10?3v???1.42m/min ?4A50?10±Ãѹ2.4 F

¸ºÔغͱ»Ñ¹²úÉúѹÁ¦£º

p1?F10000?0.3?2??0.15?2.15MPa A50?10?4½ÚÁ÷·§Á÷Á¿Îª±ÃÁ÷Á¿£¬

q?CdA02?P??0.62?15?10?62??p?106?60?10?10?3m3/min

870½ÚÁ÷·§Ñ¹²î£º0.14MPa ±Ãѹ2.29 MPa

µÚ 32 Ò³

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ì滻Ϊ@)