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化工原理习题答案(上册)第一章 流体流动1 PA(绝)= 1.28105 N/m2PA(表)= 2.66104N/m22 W = 6.15吨3 F = 1.42104NP = 7.77104Pa4 H = 0.39m5 P = 2041105N/m26 P = 1.028105Pa h = 0.157m7 P(绝)= 18kPa H = 8.36m8 H = R PA PB9 略10 P = Paexp-Mgh/RT11 u = 11.0m/s ; G = 266.7kg/m2sqm = 2.28kg/s12 R = 340mm13 qv = 2284m3/h14 = 1463s15 Hf = 0.26J/N16 会汽化17 18 F = 4.02103N19 略20 u2 = 3.62m/s ; R = 0.41m21 F = 151N22 v = 5.510-6m2/s23 =0.817 a = 1.0624 略25 P(真)= 95kPa ; P(真)变大26 Z = 12.4m27 P(表)= 3.00105N/m228 qv = 3.39m3/h P1变小 P2变大29 qv = 1.81m3/h30 H = 43.8m31 = 2104s32 He = 38.1J/N33 qv =0.052m3/s=186m3/h34 qv1 = 9.7m3/h ; qv2 = 4.31m3/hqv3 = 5.39m3/h ; q,v3 = 5.39m3/h35 qvB/qvC = 1.31 ; qvB/qvC =1.05 ;能量损失36 P1(绝)=5.35105Pa37 = 13.0m/s38 qv = 7.9m3/h39 qVCO2(上限)=3248l/h40 = 500 l/s ; =3104PaF = 3102N P = 150w41 he = 60.3J/kg42 y = 18.84Pa = 4.55Pas43 y = 39.7Pa44 略第二章 流体输送机械1 He = 15+4.5105qV2He = 45.6J/N Pe = 4.5KW2 P = 2r2/2 ; /g = u2/2g = 22.4J/N3 He = 34.6J/N ; = 644 略5 qV = 0.035m3/s ; Pe = 11.5KW6 串联7 qV = 0.178m3/min ; qV, = 0.222m3/min8 会汽蚀9 安装不适宜,泵下移或设备上移10 IS80-65-160 或 IS100-65-31511 V = 96.612 不适用13 P = 33.6KW ; T2 = 101.014 qV = 87.5m3/h ; 选W2第三章 流体的搅拌1 略2 P = 38.7w ; P = 36.8w3 d/d1 = 4.64 ; n/n1 = 0.359 ; N/N1 = 100第四章 流体通过颗粒层的流动1 = 222.7N/m22 /L = 1084Pa/m3 V = 2.42m34 K = 5.2610-4m2/s ; qe = 0.05m3/m25 A = 15.3m2 ; n = 2台6 略7 V0 = 1.5L8 V = 13L9 q = 58.4l/m2 ; w = 6.4min10 = 166s ; w = 124s11 K = 3.0510-5m2/sVe = 5.0610-2m3 ; V = 0.25m312 n = 4.5rpm ; L/L = 2/3第五章 颗粒的沉降和流态化1 ut = 7.8610-4m/s ; ut = 0.07m/s2 dP = 88.8m3 = 8.4310-3s ; s = 6.7510-5m4 dpmax = 3.6m5 dpmin = 64.7m ; P = 606 可完全分开7 Re2488 0 = 0.925 ; x出1 = 0.53 x出2 = 0.27 ; x出3 = 0.20x出4 = 0 ; W出 = 59.9kg/day9 固 = 0.42 ; 流 = 0.71 ; = 3.14104N/m210 略11 D扩 = 2.77m12 略第六章 传热1 1 = 0.22m ; 2 = 0.1m2 t1 = 8003 t1 = 4054 = 50mm5 (-)/ = -19.76 略7 Q,/Q = 1.64 小的放内层8 a = 330W/m2*9 a = 252.5W/ m2*10 q = 3.69kw/m211 q1/q2 =112 w = 3.7210-3kg/s ; w= 7.5110-3kg/s13 Tg = 31214 Tw = 746K15 = 3.3hr16 A = 0.48 ; B = 0.4017 略18 热阻分率0.3 K= 49.0W/m2 ; K, = 82.1W/m219 w = 3.4710-5kg/ms ; tw = 38.720 = 82mm21 a1 =1.29104W/m2 ; a,2 = 3.05103W/m2 ; R = 7.58*10-5m2/W22 = 10mm ; Qmax = 11.3KW23 R = 6.310-3m2/W24 n = 31 ; L = 1.65m25 L = 9.53m26 qm = 4.0kg/s ; A = 7.14m227 qm2 = 10.9kg/s ; n = 36 ; L = 2.06m ; q,m1 = 2.24kg/s28 qm = 0.048kg/s29 t2 = 76.5 ; t2 = 17.930 t,2 = 98.2 ; 提高水蒸气压强 T= 112.131 qm1 = 1.24kg/s32 T,2 = 78.7 ; t,2 = 61.333 T = 64.6 ; t2a = 123.1 ; t2b = 56.934 t2 = 11935 = 5.58hr36 单壳层 tm = 40.3 ; 双壳层tm= 43.937 a = 781W/m238 L = 1.08m ; t2= 73.239 NP = 2 ; NT = 114 ; L实 = 1.2L计 = 3.0m ; D = 460mm第七章 蒸发1 W = 1500kg/h ; w1 = 12.8 ; w2 = 18.82 t = 12.03 A = 64.7m2 ; W/D = 0.839 4 W = 0.417kg/s ; K = 1.88103W/m2 ; w= 2.45 t1 = 108.6 ; t2 = 90.9 ; t3 = 666 A1 = A2 = 9.55m2化工原理习题答案(下册)第八章吸收1 E=188.1Mpa;偏差0.21%2 G=3.110-3kgCO2/kgH2O3 Cmin=44.16mg/m3 水;Cmin=17.51mg/m3 水4 (xe-x)=1.1910-5;(y-ye)=5.7610-3 ;(xe-x)=4.710-6 ;(y-ye)=3.6810-35 (y-ye)2/(y-ye)1=1.33 ; (xe-x)2/(xe-x)1=2.676 =0.58hr7 =1.44106s8 Kya=54.9kmol/m3h ; HOG=0.291m ;液相阻力分率15.1%9 NA=6.6610-6kmol/sm2 ; NA=1.0510-5kmol/sm210 略11 略12 略13 略14 略15 x1=0.0113; =2.3510 m y . -3 ;H=62.2m16 (1)H=4.61m;(2)H=11.3m17 Gmin=0.489kmol/m2h ; x2=5.4310-618 HA=2.8m ; HB=2.8m19 (1)HOG=0.695m;Kya=168.6kmol/m3h;(2)w=4.36kmol/h20 y2=0.00221 =0.87;x1=0.0032522 y2=0.000519第九章精馏1 (1)1=2.370 ;2=2.596 ;(2)m=2.4842 t=65.35 ; xA=0.5123 t=81.36 ; yA=0.1874 =1.35 汽液n n /5 (1)W =31.3kmol; =0.619(2)W =38.0kmol;y=0.563 汽.y汽6 (1)D/F=0.228;(2)L/V=0.667;V =0.470 (3)L/V=0.8 ; =1.68. .L /. .V L/7 =14.32kmol/h.V8 (1)V=10kmol/h ; (2)R=16; L/V=0.9419 =120kmol/h ; y n V.n+1=1.17xn-0.02510 略11 略12 NT=16 ; 加料板为第8 块13 (1)V =12.8kmol/h ; =92.5%; (2)N.T=714 (1)S=11.5kmol/h ; =83.2%; (2)NT=715 NT=1516 NT=8; xDmax=0.64417 NT=1818 =96.7%; Rmin=1.5119 xD=0.889; xW=0.19420 xD=0.873; xW=0.20721 xD=0.00869; xW=3.2710-422 xW=0.0935; EmV=66.4%23 (1) xD=0.8; xW=0.05;(2)略24 (1)NT=7; (2)V=20.3kmol/h; (3)D=47.4kmol; W=52.6kmol25 t=60; xA=0.188; xB=0.361; xC=0.45126 x(A-D) :0.030;0.153;0.581;0.237 y(A-D) :0.141;0.306;0.465;0.08527 D/F=0.4975;W/F=0.5025; xD(A-D):0.402;0.591;0.007;9.710-5 ;xW(A-D):1.410-5;0.012;0.690;0.29828 N=14.1 ; N1=7.9第十章气液传质设备1 EmV=0.7582 ET=41%3 N 实=104 D=1.2m5 HETP=0.356m6 D=0.6m; P/H=235.44Pa/m第十一章萃取1 (1)E=64.1kg;R=25.9kg;x=0.06;y=0.046 (2)kA=0.767;=14.62 (1)E=92.2kg;R=87.8kg;yA=0.13; xA=0.15(2)E=21.31kg;R=78.69kg;yA=0.77;xA=0.163 (1)R=88.6kg;E=130.5kg;yA=0.0854;yS=0.862;yB=0.0526;xS=0.0746;xB=0.825 (2)S=119.1kg4 xA2=0.225 E1=125kg;RN=75kg;yA1=0.148;yS1=0.763;yB1=0.089;xSN=0.0672;xBN=0.9136 (1)S/B=24.9;(2)S/B=5.137 (1)Smin=36.47kg/h (2)N=5.1第十二章其它传质分离方法1 m=47.7kg2 t1=44.93 a=138.3m2/g4 B=6.83hr5 W3=0.0825;qm2=5920.3kg/h; JV1=0.0406kg/m2s; JV2=0.0141kg/m2s第十三章热质同时传递的过程1 略2 (1)1=20; (2)t2=40;H=0.0489kg 水/kg 干空气3 H=0.0423kgH2O/kg 干H24 (1)W=0.0156kgH2O/kg 干空气(2)tw3=18.15 t2=45.2;H2=0.026kg 水/kg 干气6 W=2.25kg 水/kg 干气7 P2=320.4kN/m28 Z=2.53m第十四章固体干燥1 1.=74.2%; 2 . =5.6%2 W 水=0.0174kg 水/kg 干气; Q=87.6kJ/kg 干气3 略4 (1)I=1.25kJ/kg 干气;(2)t2=55.9;(3)t2=54.75 (1)t2=17.5;H2=0.0125kg 水/k

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