化工原理试题库.pdf
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1、 :181,80mmHg,=_ mH 20=_ Pa.3,4,.5、水在管路中流动时,常用流速范围为 ,低压气体在管路中流动时,常用流速范围为 ms.6:._.7,,.8._._._._.9._.10._._._.11a,.a.12,.,,.:36 1,234,:12K356:(46)1,=0.03,5mH20,100mm,2,100C50C,60m/h,,20C45C.K2000 w 2,25 2.5mm,720mmHg.1000 Kgm3,icp,d100mm3ms,/m2 C 18.7m H 20,8.53 104pa.6,.7.91011.1K,.12.:a l U1 2,o,11.d
2、?=2d1,U2=d1 2gd2.u2l u224 d2 2g2.3,,.,.3K,.4:,.5,.:1,1-1,2-2 Re=du-0.1.3.1000 1.10,-3 105.10n.50m 25n 1-1 2 2 P1=z2 U2 2g?g 2 2g u2 10 0 0=0 5 2 7.81 z1 pg h 5=u2 0.03129.81 0.1 29.81 2g.2g 0.5.1 2 9.81 C=C 4.187/Kg.K V.d 22 1 U1,4 1=.16 960 25+0.03.,2x9.81 0.1 1 2 9.81 2 9.81 -6 2.42 K.302.30 60 K=
3、3.56 10 m V2=3.2 10”2 2 1 1 2 3(2)V 2=K.A2.V2 V=1.7m 2 2 I I I!(3)V 2=2K.A2.E,V 2=2K.A2.E=2X3.56X 10d2.2X3600 3 V=6.8m3.301512)=,G2=32KS t=42.5C G2C2 tt1/K.:t=39.4m2.n=167.32 KgS167.:201,SI.2._._.3,,.,.4a,.5,,hRe.6,7,._._._.9,.10,._.11,,.1 2 V.d2u=0.019 4 2-2,3-32 U2 z2 2 2g u=2.44 =68.9 P:g 2 U3=z3
4、-3 2g 3 2 +C d 2g u2:u2 0.019,68.9 8.2 5 2.44-8.(1 V2K.A2.12,.4a.50.513,.14,.15Kpa.:3012345r1r2,Tt,t T,r:5015000 m3(20Km,0.5Mpam3 h,220C,98 4mmm50m,160m.10m,35m/h.:p =1atm,=0.02,Hs=3.0m,N2Kw,0.94.(200C 3-1.24 10 N.s 2 p =2.4 103:,3:3m,30,25 2.5mm,1,CS2,46C10C.CS2,G0.07 KgK 2=100W 2 C 410m215%40%,,37
5、5Kg,200Kpa,20Kpa,80C,:(1),(2),350Kpa,20Kpa60.10C,2354.9200Kpa120.20C 350Kpa138.8C:N.S n.2dy m2,T=1000,1.05 0C.,CS2.5300C 3 200Wm2.0C .33566,7.89,10.11.1213.14.1510.13-101.3.1:,Re 2000,,Re 4000.2,.3,.4,.50C,.”.”.T-t.In 2-.L.T-t 2.L.T-t r1 5Q t=T ln*ln In 1 r1 r1:,1=2=3=,l1 I 2 I*2 I.U1=?U3 U2=1.53ms
6、0.5m.N N 2.0.94=1.88Kw.(I u2-.2 H=Z h=Z d 2g 2g1:U32 U1 2 2 U32 2 2 U2 hf2 l1 U12)m 8 U35U V%4 2 1435 8V 6330m3 h.2 5 22.O.92.3600=1.53ms u2 2g _hf Hs u2 2g u270532 2g 2.9.81-0.02.50.1.53=1.555m 0.09 2.9.81 1m.,V33.V1V2m3h.1.532 H=11+5.0216 +50+1+0.5.I 0.09 2.9.81 H=16.75m.N=HQ=16.75.35.1000.9.81/36
7、00=1.6Kw.=85%.3:A n.dl=30.3.14.0.025.3 7.07m2.:Q1:Qz-w.Cp-T?=0.07.1.05.36=2.65Kw.:Q=Q1+Q2=27.55Kw=Q=2755=0263 C.tt1 4.187.30-5:t=t1 Q 5 265 1 GC 0.263.4.187=(46-7.4)-(46-30)“5 7:=w.r=0.07.356=24.9Kw:G27.55 7.446-7.4 ln 46-30=(46-7.4)-(10-5)=16.40,46-7.4 In 10-5 A Q:A=1 K.:t A Q:A2=K.t:A=6.45 m2.24.9
8、.1000 2 4.84m2 200.25.7 2.65.1000,2 1.61m 100.16.4 4:W=F.1-0 x1=0.625F FW=375 F=1000Kg,W=625Kg t=60.1 8=68.1C.Q K:K=Mt:K625.2354.9.1000 785 2 o 10.3600.120.2-68.1 2.0C Q 625.2354.9.1000 578 At 10.3600.138.8-68.1.20C:1811.29 Kg 3,0.25Mpa m 800C234WSUQS?,5,.6,7._._._ 9,10._.11a=0.023(ReRe=_,Pr=_.dn=_.
9、12._._.:181,.2.3,SI,cgs.4,.56,.7.8,.9,.10.11,.12,.13.14,.15,.16.17,.18K,.:641,”U,3cm,P12 U”,,R63.5cm,25m,3m,4m.20,,36000m?h P1 P2,=0.03mPa.s.3200mm,160C.=0.08 1.1 10 _4t.600C,150%.4300 3.100%425%,131.5C,3600 Kgh NaOH50%.200C,392.4Kpa,53.32Kpa.:I2.5 Kg 3.2/m3 2 -10.5.6.d 2 7.89.10.du.C p IIRe Pr n=0.
10、312.e卩 r X:61017,.:1TRg p=13.6-1.0.03.9.81.10 3.708Kpa.祁亠-1.0.635.9.81.103=3.708Kpa1600 2:A=20.5.3=300m2.:u=V 36000 0.033 m A 300.3600 d 2.(PsP)g,:us,18 11 2,1500 2.K 3.C=4.93 C:p=53.32Kpa,t=83C,r=2000Kj p=392.4Kpa,T=142.9C Kg z14%.3.41=:25d2 4300-0.9.9.81 0.033-18.0.03.10 3 du,2.06 10_5.0.033.0.9 0
11、.66 1.d=2.06 10_5m.:Re=.0.03.10 3 3=0.0921Q 2;T-t 2.3.140.0921 160-60 150,=47mm.l lnRr ln10000/、1=3600.,652.365Kpa.1.5m,1.6m.530637.65Kpa.,3.5m.,O.IMpa 200.197 m3,200.09 m3,1,120C,21002205.81C,9C.2,3500W 2,.K m.K:2 2 1zA k U_=zBUB_,pA PB.g 2g B-g 2g Eg V A=V BW UW A=W B 2p PA.g.R h,p PB.g.Z h.g.R P=
12、PA-PB=gZ.g.Rtpr.g.Z.g.R.3::,.5:.:.6:.:,,.:.7:.:.8:1m,.:1K,:W./m2.K:1K,:.K 9:K,10::1P=PA Sg.h1,P=PB 2g.h2 Hg.gR PB-2.g.h2Hg.g.R PA 1.g.h1,PB=7.26 103pa.:-2800K :Q D.r=21003600 2205=1290Kw.:t=81 9=90C.:t=120-90=30C.Q 1290 2:A 17.66m.K.At 2.435.30 17.66m2.:201,,._.2=_.,=1,.3q,q=_.q=_.3q=_.4,y=0.75x 0.2
13、45,y=1.25x 0.02,q=1,Xw=_ XD=_.5,xD _,V,D.R,,.6.7,.N=k(cj)k.R-R f p=PA+Pg.h1-p=PB+P2Q.h2+2 2 R-R f h1-o=PB”2.g.h2+o2 2 Hg.g.R R=0.221m.0 Po-P Z=Pg.q qe 2 K.,0.197 qe 2 K.20.60,0.206 qe 2 K.2.20.60.K=3.9608 hf 652365 637650 530.9.81 q qe 2=K.2.2.20.60.qe=0.022 q=0.356 3.5-1.6 2.27m.10.3564:K1/1 1 _+/o
14、(2 3500 8000=2.435 2.K PA 10.Hg.g.R.2-N=K G(P )KG.89,t1t2,H _,.10.:36123y-x456:441,F“F 2VL.5%,95%.1.5,Y=1.4X.Ky=125 ya 3,1703.h 3,t2O0C,H 0=0.01 KgKgt2=50C,H2=0.08KgKg/=0.08/0.2,0.8 G=1500WO.47,W2=0.05,::13q=1q=0q=0.25.5.7N Ak.Cj-C,k .-B xW=0.08,XD=0.98.6.A=KG p-p,KG.2.s.atm,1000,3:H 1 0.0652 Kg,t80
15、,50C 10:1:,23V.YL.X-X1 Y X X1 Y1.V V 4,,,,,0,6::1:V:FF2 L V,:VV,F1 F2 L=L20526,Y2W195%“00263 xV 2 0.0526-0.00263 1 2 1.33.0.0526/1.4=89.1K in X1-X2 L=1.5.1.33L=1.5.1.33.100%24 WL=170.89.1=15147Kg h.:Y20.00263X V 丫1 一丫2 0.028250.01305 L Ym=0.00651,Z V 丫1 一丫2=2.74m m K AY ya m 15147,2.74m.Hm=0.0652 Kg
16、43:W-G2=1500-1500.1663.16 1-0.05:L W.1 H0 663.16.1 0.01=9568K.H2-Ho 0.08-0.01 Qp 1.01 1.88H m.ttm=1.01 1.88.0.0652.80.5-43=42.47KW.9568Kg h,42.74KW.-:201,,.2,3,.4.5.6,.,7C02,,.8,mvL,.9AB0 1,.10.110.1Mpa100C,12,F,,S,,.:3012345:501,=3,xF=0.3,2000 Kmo1 h,.0.9,0.1.,R=2 Rmin,2,0.05().95%,0.05Y=0.95X.:(1,
17、0.022.Kya=0.02K.S 3.s 2,20,,,3,200C,101.3Kpa,0.01 KgKg.(1(22.338Kpa.:20C:,303.9Kpa.:1,.2.3.4.5.6.8.10.12.::,.,,.h=0.622 P,p,P-P,RnS79.11.12345,:,FE1,FE1Rns,R1E2,R2,R2E3Rn.,.Fx F=Dx D Wx D=500Kmol h 2000.0.3=D0.9 W0.1 W=1500 KE。1 h 2000 D W Y x=0.3 1 2x R.=xD-yq 3 min yq-xq Xq=0.3,yq=0.5.R=2&W y=0.72
18、2x 0.25 y=1.830.083 500Kmol h1500 Kmol h y=0.722x 0.25 y=1.830.083.20.0526,2=0.0025.X0.0526,X 2=0 0.00263,2=0.0025.:Ym=0.00256.2)=0.02.(0.0526-0.0025)_196m K ya.S.m L L-20,:LR.X=L L R.X2,X2=0.00238 0.00263,2=0.00023,:Ym=0.000963.0.02.(0.0526-0.0025)_ 49 0.02.0.000963_ 19.6m 49.3m.HP O01.101.3=1.603K
19、pa.:P0 P-P :201,,,.2,,.,.3y-x.4,,z VY1-Y2 z K ya.S.m 3H=0.622,p=Pp 0.622+H 0.622+0.01/.6032.338=68.5 6%.0.02.0.00256“6228“0147KgKg.,H=0.622 P P.622.9 0033 KgKg.Hs=.622 2.338=0.622.303.9 2.338 0.00482 KgKg.6032.338=686%.H s=0.622 7,,8._ 9t2.10,1112,301,2,.34y=0.65x 0.4,5,6.7,.910,2-1,11121314,15:501,
20、,XF=02,80%,=39 xD 03:xW2,A.,1.5m,A8-10.04,0.0053,,,1200C,:t0=15 C,p0=1.175Kpa,t90 C,t2=50 C.Kg,xW 0.0125,Y=2.5X.:3X2=0.01KgKg.G250Kgh.:1.2y=x.3.4.56,.p=E.x,p=C”,y=mx,Y=mX.7.920-50K.10.11.12:467,.:xW=0.0857,3X2=0,Y1 004 0.0417,Y 0.00533,X 0.01297.2 1-0.04 2 1 L 2 0.0417-0.00533 1 2 2.804.V XVX2 1(mV
21、X-mX NV In 1 1-mV/L Y2-mX2 L L Z NV.HG=5.11.1.5 7.67m 1.2867.67m.G 2 4Gc =248 c 1+X2 H622073“Kg.2023I 1.01 1.88H 0.t 2490H0=33.5Kj Kg.f Y2y37n 2.804=1.286 2.18 DXD-0.8 F.XF D0.8WXW=0.2,XW F.XF.0.2=0.0857.F.XF WyD 1 2.yD 0.3 1 2.0.3 0.125.E m|XF-XW XF XW 0.2-0.125 0.2-0.0857-65.6%65.6%.0.01297 2 mV=5
22、.11.XWW Gc.XX2=34.7I 1=1 2=1.01 1.88H1.t1 2490H11 L W 2210 Kgh.H 2-H o S722 1244H22m Q=L*o 7Kw 59.90c.A 2.:201,,.2,3,,4,-50.620.750.700.82,x 0.70,:y4=_ y5=_ X5=_.6,7,48,,.9.10.11,,.12.:301ABCD2,A,XA=0.5J,yA=0.75,t2,.A11=12 B1112 Ct1 t2 D3,XD.182216m2.ABCD4,.AqC5,XD.ACBDq,FDRXFq,6AC7,H.ABCD8,,ABCD9,A
23、C10AC,E,BDM.BD11SAB,S,F.AC12AC:50BD,.BD,XF=0.5,,3xF,10.05,,.:,5m,1m,,V=92Kmol h,0.05,0.9,2:P=101.3Kpa,t=25C,,2=0.0026,X0.0194,Y=2X.:K ya 3,25C33%1000 Kg h,320 Kg h,8%.:111023.4,54=0.82 y=0.75 x 0.62.657.8.9.10.11.12.:1D2A.3A.4A.5A.6B.7C B C.8A C.9A B.10B.11D.12C.:1F=1Kmolh,F=D W,FXFDXD WXW.:D=0.529
24、KE。1 h,W 0.471 Kmol h.:y=1.405X-0.0202.3 X yw xw0.05y 0.13461+2.Xw yw=1.405xn-0.0202xn 0.1115 0.819 0.1115X1=0.0194,X2=0.0.0112,2=0.0026,Ym=0.006a x:y.3.X.k,y=-.1 1.X 1 2.Xq:x=0.5,xq=0.5,yq=0.75.=0.6.R=1.2.:y=0.545X 0.41.3,x1=0.75,y2=0.545x1 0.41,y2=0.819.1 2.X1:Rmin XD9,1=2nK.0.05,2=0.0026 Z=5=92.0
25、.05-0.0026.Kyf185Kmol 3 KyaS Ym Kya.14/:.12.0.006 y m3.h:V.YY2=4.36lKmol 185Kmo1 34.361 Kmo1 h.:5012345,g-XFXDXw _.R,D=30km%L=_.R=_,Nmin=_.R _.,.ET=50%,.to H o 4t1Ht2 H 2-ABC I HABC 7,:y 0.723x 0.263:y=1.25x-0.0187:xFXDXWR-1 :501,.90%,2%.:IkmolRmin60%,360%1.5,2,Y=mX.L KmolV Kmo1 h,Y1Y2X1X2.1,:1 NGdY
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