Q1 Steam is expanded in an adiabatic turbine from 3000 kPa and 450C to 0.2 MPa. If the process is reversible, compute the actual work output (W2) of the turbine (in unit kJ/kg) if the isentropic efficiency of the turbine (11) is 90%. (12 marks) Jan-Apr 2022 Test BEP2023/EP209 Thermodinamics Appendix V-SPECIFIC VOLUME em! U-SPECIFIC INTERNAL ENERGY WN! H-SPECIFIC ENTHALPY Wk! S-SPECIFIC ENTROPY WEK! Table E.2. Superheated Steam, SI Units (Cesentinued) TEMPERATURE {TEMPERATURE Thelin PAP Sat sat vap 300 (573.15) 350 1623.15) 400 (673.15 (728.15) 500 (778.16) 560 02315 600 673.15 650 923.15 2804.2 2810.6 4203.1 33898 30744 38157 V 1.044 101.325 V 48.964 100.001 M 419,064 $ 1.3069 V 1.019 125 U 444.224 106.99 M 444,356 S 1.3740 V 1.069 150 U 466.968 (111.371 1 467.126 S 14338 V 1.057 175 U486.815 116.06 487.000 S 14849 V 1.061 200 V 504.488 120.231 N 504.701 S 1.5301 V 1.064 225 U 520.468 [123.99 1 520.706 S 1.5705 V 1.068 250 25.077 127.43 M 535.343 S 1.8071 V 1.071 275 U 518.564 130.60 548.858 S 1.6107 V 1.073 300 V 561.107 133.54) 561/29 S 1.8716 1873.0 2506.5 2676.0 7.3564 13746 25134 26862 7.2847 1158,0 2519.5 2898.4 72234 1006.34 2524.7 27003 7.1716 886.44 2529.2 27063 7.126 792.97 2500.2 2711.6 7.0873 718:44 25368 27164 7,0520 657,04 2540.0 27207 7,0201 806.56 2543.0 2724.7 6.9509 8.2105 2100,7 2810.2 3373.9 8.1129 1757.0 2809.7 3073.3 8.0280 15.5.1 2009.3 3072.7 7.9561 13162 2008.8 3072.1 7.8967 1 1692 2808.4 3071.5 7.8385 1051.6 28.8.0 3070.9 7.7890 956.45 2807.5 370.3 7.7444 875.29 2007.1 3060.7 7.7064 2333.2 2888.5 3175.6 8.3797 2296.6 2888.2 31752 8.2823 1912.2 2387.9 31747 8.1976 1533.3 2887.5 3174.2 8.1259 1432.8 28872 3173.8 8.0838 12731 2886.9 31733 8.0088 11452 2886.5 3172.8 7.9587 1040.7 28862 31724 7.9151 953.52 2885.8 3171.9 7.8744 3031.9 2958.0 32782 8.5381 2481.2 2957.7 3277.8 84408 20369 2957.4 3277.5 8.3562 1771.1 2957.1 3277.1 82847 15192 2936.9 32767 82226 13766 29666 32763 81679 12385 29863 3275.9 81188 11255 2966.0 92755 80944 1031.4 29558 32752 8.0338 3230.3 80489 33823 86873 2666.6 30487 3382.C 8.5901 2221.5 30485 33817 8.5056 1903.7 30483 33814 8.4341 16853 80480 33811 83722 1479.9 3047.2 3380.8 8.3179 13315 30476 33904 82686 12102 3047.3 83801 82243 1109.0 3047.1 8379.8 8.1838 35187 31316 34881 88257 28517 3131.4 34579 87316 23759 31312 34876 86472 20381 31310 34873 85758 17812 31308 34370 85139 15830 31306 34868 8.4593 1424.4 31304 34065 8.4104 12947 31302 34862 8.3661 11865 31300 34860 8.3257 37459 32159 35956 8.9634 30368 32158 3595.4 3.8663 25302 32156 3595.1 8.7819 2163.4 32154 3594.9 8.7108 1897.1 32153 3594.7 3.6487 16880 32151 3594.4 3.5042 15172 32149 35942 3.5453 1379.0 2147 3594.0 3.5011 1263.9 3214.5 3683.7 3.4603 38750 35020 37048 9.0822 32218 30019 31046 8.9951 28845 3001.7 37044 89108 2300,7 33016 32042 88494 20129 30014 37040 8.7776 17890 30012 37038 8.7231 16099 30011 37036 8.6743 14633 33009 37034 92156 3406.7 3389.7 3815.5 9.1186 2838.6 3389.5 38153 9.643 2432.9 33894 3815.1 8.9630 2128.6 33892 3815.0 8.9012 1891.9 3389.1 38148 8.8467 17025 3389.0 38146 3.7903 1547.6 33898 38144 8.7538 148.5 3388.7 38142 8.7135 86801 13412 33008 37032 8.5898 Jan-Apr 2022 Test BEP2023 EP209 Thermodynamics Formula Q+W = AU ; v = vf + xvfg WAHA 1WAH Poubble = xip,sat (1 = 1,2,...N) = Parc 1 Eivi/Paar (i = 1,2,...,N) ds = C, = Q = TDS dT - BVdP T dH=C,MT +[1- BT 4P y: P = xipat (i = 1,2, ...,N) y: P = xiyosat (i = 1,2, ...,N)
