1、化工原理习题答案（上册） 第一章 流体流动 1 PA（绝）= 1.28105N/m2PA（表）= 2.66104N/m22 W = 6.15吨 3 F = 1.42104N P = 7.77104Pa 4 H = 0.39m 5 P = 2041105N/m26 P = 1.028105Pa h = 0.157m 7 P（绝）= 18kPa H = 8.36m 8 H = R PA PB9 略 10 P = Paexp-Mgh/RT 11 u = 11.0m/s ; G = 266.7kg/m2s qm= 2.28kg/s 12 R = 340mm 13 qv= 2284m3/h 14 = 1
2、463s 15 Hf= 0.26J/N 16 会汽化 17 )()(222212121AAPPAu=)()(222212112AAPPAu=18 F = 4.02103N 19 略 20 u2= 3.62m/s ; R = 0.41m 21 F = 151N 22 v = 5.510-6m2/s 23 maxuu=0.817 a = 1.06 24 略 25 P（真）= 95kPa ; P（真）变大 26 Z = 12.4m 27 P（表）= 3.00105N/m228 qv= 3.39m3/h P1变小 P2变大 29 qv= 1.81m3/h 30 H = 43.8m 31 = 2104s
3、 32 He = 38.1J/N 33 qv=0.052m3/s=186m3/h 34 qv1= 9.7m3/h ; qv2= 4.31m3/h qv3 = 5.39m3/h ; q,v3= 5.39m3/h 35 qvB/qvC= 1.31 ; qvB/qvC=1.05 ;能量损失 36 P1（绝）=5.35105Pa 37 = 13.0m/s u38 qv= 7.9m3/h 39 qVCO2（上限）=3248l/h 40 dydu= 500 l/s ; =3104Pa F = 3102N P = 150w 41 he = 60.3J/kg 42 y = 18.84Pa = 4.55Pas
4、43 y = 39.7Pa 44 略 第二章 流体输送机械 1 He= 15+4.5105qV2He= 45.6J/N Pe= 4.5KW 2 P = 2r2/2 ; /g = u2/2g = 22.4J/N 3 He= 34.6J/N ; = 64 4 略 5 qV= 0.035m3/s ; Pe= 11.5KW 6 串联 7 qV= 0.178m3/min ; qV,= 0.222m3/min 8 会汽蚀 9 安装不适宜，泵下移或设备上移 10 IS80-65-160 或 IS100-65-315 11 V = 96.6 12 不适用 13 P = 33.6KW ; T2 = 101.0
5、14 qV = 87.5m3/h ; 选W2 第三章 流体的搅拌 1 略 2 P = 38.7w ; P = 36.8w 3 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/m 3 V = 2.42m34 K = 5.2610-4m2/s ; qe = 0.05m3/m25 A = 15.3m2 ; n = 2台 6 略 7 V0= 1.5L 8 V = 13L 9 q = 58.4l/m2; w= 6.4min 10 = 166s ; w= 124s 11 K = 3.0510-5m
6、2/s Ve= 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/s 2 dP= 88.8m 3 = 8.4310-3s ; s = 6.7510-5m 4 dpmax= 3.6m 5 dpmin= 64.7m ; P= 60 6 可完全分开 7 Re248 8 0 = 0.925 ; x出1 = 0.53 x出2= 0.27 ; x出3= 0.20 x出4= 0 ; W出 = 59.9kg/day 9 固 = 0.42 ; 流 = 0.71 ; = 3.14
7、104N/m210 略 11 D扩 = 2.77m 12 略 第六章 传热 1 1 = 0.22m ; 2 = 0.1m 2 t1 = 800 3 t1 = 405 4 = 50mm 5 (-)/ = -19.7 6 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 =1 12 w = 3.7210-3kg/s ; w= 7.5110-3kg/s 13 Tg = 312 14 Tw = 746K 15 = 3.3hr 16 A = 0.48 ; B = 0.40 17 略 18 热阻分
8、率0.3 K= 49.0W/m2 ; K,= 82.1W/m2 19 w = 3.4710-5kg/ms ; t w = 38.7 20 = 82mm 21 a1 =1.29104W/m2 ; a,2 = 3.05103W/m2 ; R = 7.58*10-5m2/W 22 = 10mm ; Q max = 11.3KW 23 R = 6.310-3m2/W 24 n = 31 ; L = 1.65m 25 L = 9.53m 26 qm = 4.0kg/s ; A = 7.14m227 qm2 = 10.9kg/s ; n = 36 ; L = 2.06m ; q,m1 = 2.24kg/s
9、 28 qm = 0.048kg/s 29 t2 = 76.5 ; t 2 = 17.9 30 t,2 = 98.2 ; 提高水蒸气压强 T= 112.1 31 qm1 = 1.24kg/s 32 T,2 = 78.7 ; t,2 = 61.3 33 T = 64.6 ; t 2a = 123.1 ; t 2b = 56.9 34 t2 = 119 35 = 5.58hr 36 单壳层 t m = 40.3 ; 双壳层t m= 43.9 37 a = 781W/m2 38 L = 1.08m ; t2= 73.2 39 NP = 2 ; NT = 114 ; L实 = 1.2L计 = 3.0m
10、 ; D = 460mm 第七章 蒸发 1 W = 1500kg/h ; w1 = 12.8 ; w 2 = 18.8 2 t = 12.0 3 A = 64.7m2; W/D = 0.839 4 W = 0.417kg/s ; K = 1.88103W/m2 ; w= 2.4 5 t1 = 108.6 ; t 2 = 90.9 ; t 3 = 66 6 A1 = A2 = 9.55m2第八章 吸收 1 E=188.1Mpa;偏差0.21% 2 G=3.110-3kgCO2/kgH2O 3 Cmin=44.16mg/m3水；Cmin=17.51mg/m3水 4 （xe-x）=1.1910-5；
11、（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=2.67 6 =0.58hr 7 =1.44106s 8 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 NOG= 111)11ln(111+13 略 14 略 15 x1=0.0113; =2.3510my-3 ;H=62.2m 16 (1)H=4.61m;(2)H=11.3
12、m 17 Gmin=0.489kmol/m2h ; x2=5.4310-618 HA=2.8m ; HB=2.8m 19 (1)HOG=0.695m;Kya=168.6kmol/m3h;(2)w=4.36kmol/h 20 y2=0.002 21 =0.87；x1=0.00325 22 y2=0.000519 第九章 精馏 1 （1）1=2.370 ；2=2.596 ；（2）m=2.484 2 t=65.35 ； xA=0.512 3 t=81.36 ; yA=0.187 4 =1.35 汽液nn /5 （1）W =31.3kmol; =0.619（2）W =38.0kmol;y=0.563
13、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/VL/7 =14.32kmol/h V8 (1)V=10kmol/h ; (2)R=16; L/V=0.941 9 =120kmol/h ; ynVn+1=1.17xn-0.025 10 略 11 略 12 NT=16 ; 加料板为第8块 13 （1）V =12.8kmol/h ; =92.5%; (2)NT=7 14 (1)S=11.5kmol/h ; =83.2%; (2)NT=7 15 NT=15 16 NT=8; xDmax=0.644 17 NT=18 18 =9
14、6.7%; Rmin=1.51 19 xD=0.889; xW=0.194 20 xD=0.873; xW=0.207 21 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=52.6kmol 25 t=60; xA=0.188; xB=0.361; xC=0.451 26 x(A-D) :0.030;0.153;0.581;0.237 y(A-D) :0.141;0.306;0.465;0.085 27
15、 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;0.298 28 N=14.1 ; N1=7.9 第十章 气液传质设备 1 EmV=0.758 2 ET=41% 3 N实=10 4 D=1.2m 5 HETP=0.356m 6 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;=14.6 2 (1)E=92.2kg;R=87.8kg;yA=0.13; xA=0
16、.15 (2)E=21.31kg;R=78.69kg;yA=0.77;xA=0.16 3 (1)R=88.6kg;E=130.5kg;yA=0.0854;yS=0.862;yB=0.0526;xS=0.0746;xB=0.825 (2)S=119.1kg 4 xA2=0.22 5 E1=125kg;RN=75kg;yA1=0.148;yS1=0.763;yB1=0.089;xSN=0.0672;xBN=0.913 6 (1)S/B=24.9;(2)S/B=5.13 7 (1)Smin=36.47kg/h (2)N=5.1 第十二章 其它传质分离方法 1 m=47.7kg 2 t1=44.9 3
17、 a=138.3m2/g 4 B=6.83hr 5 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=18.1 5 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%
18、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=54.7 5 (1)t2=17.5;H2=0.0125kg水/kg干气 (2)3 =10.0% 6 自由含水量=0.243kg水/kg干料 结合水量=0.02kg水/kg干料 非结合水量=0.23kg水/kg干料 7 =7.06hr 8 =21.08hr 9 (1)V =250.75kg干/h (2)Q空P=25798.2kJ/h (3)QD=13984.3kJ/h 10 V=223kg/s; t1=163; =81.1% 11 (1)V=10.9kg/s ; =78% (2)V=6.59kg/s; =80.5% 12 V=2.49104kg/h; Q预=3.01106kJ/h
