Mae?2.20£¬
?eTA?0.184£¬e?0.508£¬?2.00 ?0T0A*Te?0.508T0?159K
?e?0.184?0?2.43kg/m3 ae?kRTe?240.6m/s
ve?aeMae?529.3m/s
Ae??4de2?G?e?e?2.13?10?3m2
A*??4de2?Ae?1.07?10?3m2 2.00de?52mm£¬d*?37mm
8£®½â£ºÓÉMae?2£¬²é¸½Â¼5¿ÉÖª£º
peTA?0.128£¬e?0.556£¬?1.69 p0T0A*p0?7.93?105Pa
Te?0.556T0?167K
ae?kRTe?246.3m/s
ve?aeMae?492.6m/s
Ae?UV?e?0.020m2£¬A*?Ae?0.118m2 1.69
9£®½â£º
pB?0.103?0.528£¬²é¸½Â¼p05¿ÉÖª£º
Ma?2.15£¬
?eT?0.195£¬e?0.520 ?0T0Te?0.520T0?156K
word.
ve?aeMa?MakRTe?512m/s
?e?0.195?0?0.195Ae?p0?2.45kg/m3 RT0?4De2?0.00196m2
G??e?eAe?2.46kg/s
µÚ°ËÕ²ο¼Ï°Ìâ´ð°¸£¨½öÏ޲ο¼£©
1 2 3 4 5
6£®´ð£º¼¸ºÎÏàËÆ£ºÈç¹ûÁ½¸öÎïÌå¸÷µãÖ®¼ä´æÔÚÒ»¸öÒ»Ò»¶ÔÓ¦£¬Ê¹µÃ¶ÔÓ¦µãÖ®¼ä¾àÀëÖ®±È¶ÔËùÓпÉÄܵĵ㶼ΪC£¬Ôò³ÆΪÁ½ÎïÌ弸ºÎÏàËÆ¡£
Ô˶¯ÏàËÆ£ºÔÐÍÓëÄ£ÐÍÖжÔÓ¦µÄÔ˶¯²ÎÊýÈç¼ÓËٶȡ¢Ëٶȷ½ÏòÒ»Ö£¬´óС³É±ÈÀý¡£
¶¯Á¦ÏàËÆ£ºÁ½¸öÔ˶¯ÏàËƵÄÒºÁ÷ÖУ¬ÔÚ¶ÔӦ˲¼ä£¬¶ÔÓ¦µãÉÏÊÜÏàͬÐÔÖÊÁ¦µÄ×÷Óã¬ÀëµÃ·½ÏòÏàͬ£¬ÇÒ¸÷¶ÔÓ¦µÄͬÃûÁ¦³Éͬһ±ÈÀý£¬ÔòÁ½ÒºÁ÷¶¯Á¦ÏàËÆ¡£
7£®½â£º£¨µ¥Î»³¤¶ÈµÄѹ½µ£©ÓÉÌâÖиø³öµÄÌõ¼þ¿ÉÒԵõ½£º
f??p,?,?,?,r??0£¬Ñ¡È¡¦Ô£¬r£¬¦ÑΪÈý¸ö»ù±¾ÎïÀí£¬Ç°ÒÑÖ¤Ã÷Õâ
Èý¸öÎïÀíÁ¿ÔÚÁ¿¸ÙÉÏÊǶÀÁ¢µÄ£¬ÕâÑùÓÐ
?p? ?1?a1b1c1,?2?a2b2c2
?r??r?¸ù¾ÝÌØÕ÷ÊýµÄÁ¿¸ÙΪ1(Á¿¸ÙºÍгÔÀí)µÄÌص㣬ȷ¶¨¡¢¡¢¡£ÓÉÓÚ
word.
-1-2?MLt?? [?1]??1a1b1??3c1 [Lt][L][ML]Òò´Ë¶Ô[L]£º-111-3c1£»¶Ô[M]£º1= c1£»¶Ô[t]£º-2 = 1¡£ÕâÈýʽÁªÁ¢Çó½â£¬ÔòµÃa1=2£¬b1=0£¬c1=1£¬ÓÚÊÇÓУº?1?ͬÀí¿ÉÒÔÇó³ö£º ?2?? ??r?p??2¡£
??p??2f?2,??0£¬¼´?p???f?????r?
????? ???r?v2a28£®½â£ºÂíºÕÊýÏàµÈ£¬Ma?v1À×ŵÊýÏàµÈ£¬Re?p?RT£¬p2?v1?1l1=a1?£¬v2?a2v1?v1a1T2?449.56m/s T1v2?2l2?1?2?2v1l1?2£¬?
?1v2l2?1?
?2T2vl?Tp1?1122p1?819.5kPa ?1T1v2l2?1T19£®ÂÔ¡£Ö±½Ó´úÈ뻯¼ò¼´¿ÉµÃÖ¤
?D=0.202?1 10£®½â£ºRe????9.81??9?10?1(1100?0.2)?103??0.105 ?618223?10?0.2?52v<£¬²»»á³Á½µ
19.81?d23?t?(1100?0.2)?10??0.5
18223?10?6?0.2d?1.9?10?4m£¬Re??d=0.426?1£¬·ûºÏ ?
11£®½â£º£¨ÉÙÁ½¸öÌõ¼þ£¬?t?0.4kg/m3£¬?t?0.9cm2/s£©
word.
À×ŵÊýÏàµÈ£¬Re??m??t?tdt?mdm= ?t?mdt?m100.0131?8???1.16m/s dm?t10.9?ptÅ·ÀÊýÏàµÈ£¬Eu??t?t2=?pm?m?m2
p?2?m?mm??pt??2?6307.5Pa tt
12£®½â£º
118?gD2?t?(s??f)??7.18m/s
Re??D?=143?1£¬²»·û ???4??(?)2g21/3?s??f?t?225??D?
f???Re??D?=
×îÐÂÎļþ ½ö¹©²Î¿¼ ÒѸijÉwordÎı¾ ¡£
·½±ã¸ü¸Ä word.