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???? 2??5o?????3y3???3'?????a??DD????,3???|??????'??,1y???DD??1?31.4m o??|3y3???22??????300mm?????,13y3?D????9%??,??3y??????????
???? ?????o???D?3?113?a0??500|m ,??|3y3??????3y?'60??90|m ???3?,1?o???D?3?o??D?6g/m3 ,?a???2???3y3?'?'???2???3??|3y3??,??a250m3 ??800m3/min ????????,????????Y??350m3,?????1000m3/min ,??2????a???2a??o???-??|3y3??o,Do?3???'?30??50g/m3,???5#????,???1???|3y3??????(30m) ,??|3y3???o????3?1?????1?????????D?(26??36??18??) ,?3?Y???a?'|???y,???1????o???D???3??3?y???3?'????????oa,?????oa?2???'??,?31????????????o????3?????e??,?2001?3??o,????13?1y50MPa ,??32????e??,?????
22?,?????????12,??2???a,3y3??|?,?o???????1o?3??',???1?oo???,?e?o????e????,2?2?o??e????????o????D????????a??2?2o????D????1??Da,3?5o?????'DT??????????|3y3????DD?????????3y3??????D????,3y3?????'?2???,'1??????2??????
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???? '?-??????o???vg??1.35??1.45 vf ,???y?a1.4 ,2???????3????15% ,??vf =16.666m3/s,??????vg = 19.833m3/s??
1.3.2??????222?????
???? 3y3???222?????D = 5.994m ,?DD??1?'???d1=2.462m ,?o????22?????'?(????????) v0=4?vg/[3.14?(D-d1 ) ] = 0. 84m/svt = v0 (1 + 100tP273. 15) = 1. 147mPs ,??'?????3???????222?????avt = 1mPs ,?3??????????(1) ?D?v 3= 1mPs '????d = 105. 8 ?10- 6m ,?'??222?????3y???'100|m ??????????????,?13????????????3y3?D???1????
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???? ??-???,3y3???????????300mm ,???????D????3?55??,????????????;??a???DD?1?31. 4m ??3?o????222????????;?DD??13?????y2????
???? ?-3y3???????????2??????y:
???? ?22??V ?= 105.96m3
???? ?2?2??V ?2= 37.38m3
???? ??y?aV = 143.34m3
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???? ?222??:V ?= 66.08m3
???? ?2?2??:V ?2= 37.94m3
???? ??y?a:V = 104.02m3
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