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ϺY{(dio)޹˾gӭ Ϻ K Ͼ ղرվ | ھr | վc؈D | “(lin)ϵY |
YYӍ
λã > „ > {(dio)֪R >
ˮx
^ˮõxȡӋ䌍ǹ㣨ܶӋ㹫ʽǹģֵļЩ]ă(ni)ȫЩǾ_Ӌ
؄eaһ䣺O(sh)ӋO(sh)~rᵽã^O(sh)~ܶͬӣˮܵˮٽhӋȡֵ
P(gun)ˮÓP^}O(sh)ӋxȡˮÓP^ʹøԣēP̓QȡӲʹˮӴ؄e߀ʹˮ늙CؓɼӴӴl(f)Ӵ“Q^o(sh)S”߀С£кܴ߀Ҫ늙C
“ˮóډֻ0.22”fʲôˮMډdž}P(gun)I猢_ʽϵy(tng)ˮ÷100׸ߵډ0.22MPa@ϵy(tng)ˮ÷ڵ100׸ߵډ0.32MPa
ˮÓP̺׹㷨
ůͨˮõxͨxñD(zhun)(sh)ns130150xʽˮˮõˮCM~1.11.2_ȡ1.1_“(lin)ȡ1.2ɴȡÿ100׹Lس̓pʧ5mH2OˮÓP̣mH2O
Hmax=P1+P2+0.05L (1+K)
P1ˮCMl(f)ˮ
P2ԓh(hun)в“(lin)ĸռ{(dio)δbõˮpʧһ_ˮ
Lԓh(hun)·ĹL
Kh(hun)·оֲLȿͺcֱܿLıֵh(hun)·^LrKֵȡ0.20.3h(hun)·^̕rKֵȡ0.40.6
˾SˮCˮÓP̌ù㷽
@Մ]ʽ{(dio)ˮϵy(tng)M@Nϵy(tng)õϵy(tng)
1.ˮCMəCMSṩһ60~100kPa
2.·ĥֲІλLȵĥĦMȡQڼg(sh)(jng)^ȡֵt܏СͶYʡˮ\ܺĴȡֵСt֮ĿǰO(sh)Ӌˮ·ıĦM˿150~200Pa/m(ni)܏^rȡֵСЩ
3.{(dio)δbĩbõLCPܙCMMʽ{(dio)ȡǸ(j)O(sh)ӋĿ՚M{(dio)Pܵą(sh)ˮزS(jng)^PӋṩģS~rֵڮa(chn)Ʒӱܲ鵽һ20~50kPa(ni)
4.{(dio)(ji)y{(dio)gҪҜصͨ^ڿ{(dio)ĩbõˮ·O(sh)늄Ӷͨ{(dio)(ji)ynjF(xin)ҜؿƵһNֶͨyҎ(gu)yTȫ_rͨcSxSȡֵtyTĿܺȡֵСtܲyTȫ_rĉռԓ֧·İٷ֔(sh)Qy(qun)ȡˮϵy(tng)O(sh)ӋrҪy(qun)S>0.3ͨ{(dio)(ji)ySһ㲻С40kPa
(j)ԴԹӋһs100mߵĸߌӽ{(dio)ˮϵy(tng)ĉpʧҲѭh(hun)ˮēP̣
1.ˮCMȡ80 kPa8mˮ
2.·ȡC(ni)ijˮˮ·ȵ50 kPaȡݔ(c)·L300mcĦ200 Pa/mtĥ300*200=60000 Pa=60 kPa翼]ݔ(c)ľֲĥ50%tֲ60 kPa*0.5=30 kPaϵy(tng)·Ŀ50 kPa+60 kPa+30 kPa=140 kPa14mˮ
3.{(dio)ĩbMʽ{(dio)һLCPȡǰߵ45 kPa4.5ˮ
4.ͨ{(dio)(ji)yȡ40 kPa0.4ˮ
5.ǣˮϵy(tng)ĸ֮͞飺80 kPa+140kPa+45 kPa+40 kPa=305 kPa30.5mˮ
6.ˮÓP̣ȡ10%İȫϵ(sh)tPH=30.5m*1.1=33.55m
(j)ϹY(ji)ԻͬҎ(gu)ģĿ{(dio)ˮϵy(tng)ĉpʧֵ䑪ֹδ(jng)^Ӌ^ڱϵy(tng)pʧӋ^ˮÓPx^󣬌M
ˮÓPO(sh)Ӌ
1䡢ˮ·ϵy(tng)
_ʽˮϵy(tng)
Hp=hf+hd+hm+hs    10-12
]ʽˮϵy(tng)
Hp=hf+hd+hm       10-13
ʽ hfhd——ˮϵy(tng)س;ֲpʧPa
    hm——O(sh)pʧPa
    hs——_ʽˮϵy(tng)oˮPa
hd/ hfֵСסլ1~1.5֮g͸ߌӽ0.5~1֮ghxݔ͹ܵй䣩0.2~0.6֮gO(sh)pʧҊ10-5
2sˮ·ϵy(tng)
1ssˮ
O(sh)pʧ
O(sh)Q kPa ע
xʽC
l(f) 30~80 ͬa(chn)Ʒ
50~80 ͬa(chn)Ʒ
ʽC
l(f) 40~100 ͬa(chn)Ʒ
50~140 ͬa(chn)Ʒ
s 20~80 ͬF
ˮP 20~50 ˮٶ0.8~1.5m/s
ύQ 20~50
LCPܙCM 10~20 LCP30kPa
Ԅӿy 30~50

ssˮ԰ʽӋ㣺
   10-14
ʽQ——sߟkWsʽCȡCؓ1.3ʽCȥCؓɵ2.5
c——ˮıȟkJ/kg· oCؕrc=4.1868 kJ/kg·oC
tw1-tw2——sMˮزoCsʽCȡ4~5 oCʽCȥ6~9 oC
2ˮÓP
sˮP
Hp=hf+hd+hm+hs+ho
ʽhfhd——sˮ·ϵy(tng)س;ֲmH2O
hm——mH2O
hs——sˮ߶ȣsʢˮصĸ߲mH2O
ho——s쇊FmH2Os5 mH2O
һƪ{(dio)ϵy(tng) һƪ{(dio)bкΘ˜
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a(chn)Ʒģ
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`{(dio)
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ϺY{(dio)޹˾ (qun) ICP12020624̖ W(wng)վ؈D
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