2?íêè?òoì??|2á???ˉ?á3D£?ê???′|?ú?ìo??|2áoí±????|2á×′ì?μ??á3D?£àyè??ù?è??μí£???oé2?′óμ??á3D£??ù°′·?òoì??|2á???ˉ?á3Déè???£
ò??¢2?íêè?òoì??|2á???ˉ?á3D1¤×÷?üá|×??ò ê§D§oí×??ò êμ?ù?¤?÷???ˉ?á3Dμ??÷òaê§D§D?ê??a?¥?eoí?oo?£?è?1??úá??|2á????óDò?2?óí?¤£??í?éò?·à?1ê§D§£??ùò?????×??ò?íó|ê?±£?¤á??|2á????μ??ü???¤2????μ£???óí?¤μ????μó????úDμ???èoí??á????èóD1?£?óéóúó°?ìòò??oü?à£????ü2éó??ò?ˉμ?ì??tD??????£
?t?¢2?íêè?òoì??|2á???ˉ?á3Déè?????? l£?ò??aì??t£o?ú?áμ??á11éè????oó??DD (l)ó?í??¢1¤??£o?áμ???oé£??áμ?×a?ù (2)?áμ??±??d£? 2£?éè??2??è (l)?ù?Y1¤×÷ì??toíê1ó?òa?ó?????á3D?á11D?ê? (2)??è??áí?μ?2?á? (3)??è??áí?μ??í?è£?òà?Y?í??±è§?£?B/d£?1??1.5£??áμ????è′ó£??á?àD?è???′ó?μ (4)?é???á3Dμ?1¤×÷?üá| A£??òD??á3D a.?é??±è?1P ê??D£o[p]--?áí?2?á?μ?Díó?±è?1£?±í12-2?¢±í12-3 d--?á?±?±?? B--?á3D?í?è ?T??pê??a±£?¤óí?¤2?±????μ£?ò?±£?¤èó????éù?¥?e b.????pv fpv--±íê?μ¥??3D?1é????yé?μ??|2á1|£??ü×a?ˉ?aèèá? fpv↑£?Δt↑£?cst↓óí?¤óúò×???μ ?T??[pv]?íê?·à?1óí??3?1yóí?¤???μ???èμ???óí?¤???μ?£ c.μ±poüD?ê±£??1ó|±£?¤ V≤[v] m/s ·à?1?oo?£??T????2?p’ p’v≤[pv] ê??D[pv][v]??±í12-2?¢±í12-3
B.í?á|???ˉ?á3D a.?é??±è?1 ê??D£opa--?á?ò??oé Z--?§3D??êy???·êy K--????óí2?ê1?§3D????éùμ??μêy K£?0.90-0.95 [p]--Díó?±è?1£?êêó?D?£?Z£?lê±£?±í?D?μ???μ5% b.?é??pvm pvm≤[pv] ê??D£oVm---???ù?ù?è (5)?????á3D??o?£? ???è ??o?·?o? ?ù ày 2 H7£ˉf7 3Y?????ù??£????????ù?? 2 H7£ˉE7 ?úè??úí1???á£??ú3μ?ú?á òoì?èó??μ??ˉ?1?á3D?ú?e?ˉoíí£3μê±£?ò2′|óú?ìo??|2áèó??×′ì?£??ùò?éè??ê±ò2ó|??DDé?ê??????£
|