1、f7f2-2. M281 2 3 1 296.92 0.81.253 64.272-3CO23m3 kPa Mpat145t270CO2B101.325 kPaCO2CO2R188.91234CO251(2)(3)(4)5m=12.02kg2-5300 m32799.3kPa300 m341.97kg2-6 150.1MPa3 m38.5 m30.7MPakgkg19.83min0.1MPa0.7MPa0.7MPa8.5 m30.1MPa0.7MPa8.5 m30.1MPam30.1MPa3 m3 59.5 m319.83min2-8 400mm3000kg182.12kg-B101kPa12
2、31582K2p=30009.8/(r2)+101000=335.7kPa0.527 m30.5 m3/kg0.5 m3/kg34 kg /m32 kg /m32-917.69kg2361K2-14 28.8628820.91-20.979.11.288 kg /m30.776 m3/kg2-15 1 2 116.48298.285kPa3-1 400KJ/h2000120min21W=02.67105kJ1W=003-51-a22-b11-c2 QkJWkJ1-a-2 10 x12-b-1 -7 -41-c-2 x2 2(1)1-a-22-b-1-10-7x1+-4x1=7 kJ(2)1-c
3、-22-b-1-x2-72+-4x2=5 kJ(3)2-b-1-3 kJ3-6 - QkJ WkJ EkJ12 1100 0 110023 0 100 -10034 -950 0 -95045 0 50 -503-7 1.5kg90kJ1000a*0.2+b200=a*1.2+ba=-800b=1160900kJ103f990 kJ3-8 600kPa275W0U=0100kPa3-9 500 kPa25100 kPa25m2=0dE=dU=(mu)cv2-(mu)cv1-m0= mcv2-mcv1mcv2 ucv2- mcv1ucv1=m0h0 (1)h0=cpT0ucv2=cvT2ucv1
4、=cvT1mcv1=mcv2 =(1)=398.3K3-10 0.56kg/s1kW12310 1.78138.84kW(3)1 p23-110.06m3277MPa5MPa3.57MPa3-121MPa2001231MPa:1662K=3892h=cpT0L=kpT= 552K=2792WT= 473K2003-13 3-14 1586K22500kJ3-15 1m31.09 m3267kJ205t2=10+205=2153-16 582K3093-17 1.437.5kJ3-18 T1= =216.2KT2=432.4K156.3kJ218.8 kJ62.05kJ =218.35 kJ7-
5、1t=800.010.050.10.51MPa t=800.047359MPa0.010.050.10.51MPa2649.3kJ/kg334.9 kJ/kg335 kJ/kg335.3 kJ/kg335.7 kJ/kg7-2p=1MPax=0.9h-shxvxuxsxh2777kJ/kg h=762.6 kJ/kgv0.1943m3/kg v0.0011274 m3/kgu= h-pv=2582.7 kJ/kg uh-pv=761.47 kJ/kgs=6.5847 kJ/(kg.K) s2.1382 kJ/(kg.K)hxxh+(1-x)h=2575.6 kJ/kgvxxv+(1-x)v=0
6、.1749 m3/kguxxu+(1-x)u=2400 kJ/kgsxxs+(1-x)s=6.14 kJ/(kg.K)7-3V60L-t210mv=0.57kgt210v0.10422m3/kg v0.0011726 m3/kgh2796.4kJ/kg h=897.8 kJ/kgx=0.53vxxv+(1-x)v=0.0558 m3/kghxxh+(1-x)h=1904kJ/kg7-42kg0.2m32001231200h2791.4kJ/kg h=852.4 kJ/kgv0.12714m3/kgv0.0011565m3/kg1.5551MPa0.1 m3/kg0.2 MPac1=20m/s2
7、-2421K0.6m3/kg323m/s0.00185m39-3p1= 2.53MPat180c1=50m/spb= 1.5MPac2v2t2f2=1cm2: 2.53=1.33pbp2pc1.33 MPac10294Kc2a 344 m/s0.0634 m3/kg0.543 m3/s9-5-p1= 0.7MPat1947c1=0m/sp20.5 MPa0.12 MPa kg/s1p20.5MPa0.7=0.37 MPa pb737K985 m/s1.76 m3/kg8.9cm29-6-0.1m21-1c1=100m/sp1= 0.15MPat11002-2 c2=17103f1. 4m/sp
8、20.14MPa122-231-12-210.71 m3/kg14.08 kg /s2 1.22 m3/kg595K3 3141kJ/s9-7p1= 0.18MPat1300pb= 0.1MPad2=10mm p20.1 MPa0.18=0.1 MPa =pb416.7 m/s484K1.26 m3/kg0.026 kg /s9-8p1= 0.5MPat1600K 1.5kg/sp2= 0.1MPa0.95 0.5=0.264 MPa p2(1)0.6314378.8K1.09 m3/kg667m/s24.5cm2(2) 650 m/s390 K1.12 m3/kg25.8cm29-9p1=
9、1MPat11000K-p2=0. 1MPac1200m/s0.95 50kg/sk1.36cp1kJ/(kg.K)c1200m/s20 kJ/kg 1000 kJ/kg0.5436543.6K955m/s931 m/s566 K264.7 kJ/(kg.K)1.5 m3/kg805cm2(2)0.535 MPa847.4K552m/s0.4193 m3/kg380cm29-10p1= 0.1MPat1120500m/sp1= 0.1MPat1120h1=2716.8 kJ/kgs1=7.4681 kJ/(kg.K)h0= h1+c2/2=2841.8 kJ/kgp0=0.19 MPat0=1
10、85.79-11p1= 2MPat1300-pb= 0.1MPa20cm2h1=3023 kJ/kgs1=6.765 kJ/(kg.K)pc= 0.5462=1.092 MPahc=2881 kJ/kgvc=2.0 m3/kgh2=2454 kJ/kgv2=1.53 m3/kgcc= 532.9 m/sc2= 1066.7 m/s0.533 kg /s76.4cm29-12h1=3231 kJ/kgs=7.203 kJ/(kg.K)h2=3148 kJ/kgv2=0.2335 m3/kgpb/p0.546c2= 407.4 m/s0.35 kg /s9-13h2=2736 kJ/kgp1= 2
11、MPax10.97t1=212.443.4K/MPa9-14:h1=3222 kJ/kgh2=3066 kJ/kgc2= 558.6 m/s519 m/s21 kJ/kg9-15 0.199 kJ/(kg.K)59.7 kJ/kg9-16 355K337m/s10-1-16.5MPa550p2=4681012kPa-h116.5MPa550h1=3433kJ/kg s1=6.461kJ/(kg.K)h2s1h-sp2=4681012kPah2=19461989202020452066 kJ/kgh3p2=4681012kPah3=121.41151.5173.87191.84205.29 kJ
12、/kg44.94443.3542.8%42.3510-2-t1500p21kPap14914MPa1-23-45-1t1500p14914MPah1=344533863323 kJ/kgs1=7.096.6586.39 kJ/(kg.K)p21kPa(s2=s1)h2198618651790 kJ/kg32t3=6.9829.33 kJ/kgs3=0.106 kJ/(kg.K)3p1s3=s3t3=6.99867.0477.072h333.3338.443.2 kJ/kg-q1=h1-h3=341133473279.8 kJ/kg2 h3-h3t3-t33h1-h2- h1-h2-( h3-h
13、3)4s2=s1=7.096.6586.39 kJ/(kg.K)p21kPa0.790.740.715- h1 h2 h3 h3 -q1=h1-h3h3-h3 t3-t3h1-h2 - -3445 1986 33.33 29.33 3411 4 0.0186 1459 1455 42.783386 1865 38.4 29.33 3347 9.07 0.067 1521 1512 45.173323 1790 43.2 29.33 3279.8 13.87 0.092 1533 1519 46.7410-3-14MPa-540-7 kPa103f123-13433kJ/kg6.529 kJ/(
14、kg.K)22027kJ/kg6.529 kJ/(kg.K)3163.38kJ/kg0.5591 kJ/(kg.K)1 547.7K2 312.17K3 -4310-4-14 MPa5403 MPa5407 kPa123-13433kJ/kg6.529 kJ/(kg.K)3163.38kJ/kg0.5591 kJ/(kg.K)B3 MPa6.529 kJ/(kg.K)hB=2988 kJ/kgAhA=3547 kJ/kgsA=7.347 kJ/(kg.K)22282kJ/kg7.347 kJ/(kg.K)4 564K5 312K6 -44.710-5-10 MPa40050kPa2 MPa-1
15、h1=3096kJ/kgs1=6.211 kJ/(kg.K)2h2=2155kJ/kg3h3=340.57kJ/kg42 MPas4=s1h4=2736 kJ/kg2. MPa212.37h5=908.6 kJ/kg0.237-794 kJ/kg 36.210-6 12MWp13.5MPa t1435p20.8 MPa20000kJ/kg-85p27kPa0.8 MPa2301h1=3303 kJ/kgs1= 6.957kJ/(kg.K)s2=s1h2=2908 kJ/kg0.8 MPah3=720.9 kJ/kg 15.34.61kg/s=16.6t/h15.3m1=m =0.705 kg/
16、s2.54 t/hp27kPah2=2161 kJ/kg h3=163.38 kJ/kg1.96 kg/s7.06 t/h14.06 t/hm=7.06+14.06=21.12 t/h10-71 MPa2000.3 MPa0.3 MPa-40kPa1MW500kW0.80.3 MPa561.4 kJ/kg2725.5 kJ/kg2181.8 kJ/kg 0.23kg/sh1=2827 kJ/kgs1=6.693 kJ/(kg.K)(s2=s1)h2=2295 kJ/kg(s3=s1)h3=2604 kJ/kg 2.25 kg/sm=m1+m2=2.48 kg/s10-8- 82797kPa700 kJ/kg-k=1.41 0.73 kJ/(kg.K)57.4401.5kW703.7K1662.6K1. 82MPa4.3MPa10-9- 15105kPa20-1600 kJ/kgk=1.41 1.02kJ/(kg.K)-2889K4.
