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Steam undergoes an Isentropic process where it is initially at 1.05 MPa and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find the tsat2, dryness, and enthalpy change. (69.10C, 90.4%, -657.34 kJ/kg) LO (179.91) 1.05 (182.04) (L Sat.) 10 v 10 194.44 2583.6 2778.1 6.5865 185.60 2585.I 2780.0 6.5696 Sat. 150 179.07 2532.0 2711 6.4342 182 29 2542.9 2725.1 6.4669 183.43 2553.4 2738.9 6.4984 188 50 25638 2752.3 6.3289 155 160 175.66 2550 0 2734.5 6.4678 165 178.64 2560.6 2748 2 6.4989 170 172.60 2539.2 2720.4 6.4356 19153 2573.9 27654 194 50 2583.8 2778.3 6.5870 197.42 2593.6 2791.0 200.30 2603.2 2803.5 6.5584 181.36 2570.9 2761.6 65289 175 180 185 184.44 2581O 2774.7 6.6148 6.6419 6.3380 187.26 2590.9 2787.5 6.5863 190.04 2600.7 2800.2 6.6137 6405 190 194

Steam undergoes an Isentropic process where it is initially at 1.05 MPa and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find the tsat2, dryness, and enthalpy change. (69.10C, 90.4%, -657.34 kJ/kg) LO (179.91) 1.05 (182.04) (L Sat.) 10 v 10 194.44 2583.6 2778.1 6.5865 185.60 2585.I 2780.0 6.5696 Sat. 150 179.07 2532.0 2711 6.4342 182 29 2542.9 2725.1 6.4669 183.43 2553.4 2738.9 6.4984 188 50 25638 2752.3 6.3289 155 160 175.66 2550 0 2734.5 6.4678 165 178.64 2560.6 2748 2 6.4989 170 172.60 2539.2 2720.4 6.4356 19153 2573.9 27654 194 50 2583.8 2778.3 6.5870 197.42 2593.6 2791.0 200.30 2603.2 2803.5 6.5584 181.36 2570.9 2761.6 65289 175 180 185 184.44 2581O 2774.7 6.6148 6.6419 6.3380 187.26 2590.9 2787.5 6.5863 190.04 2600.7 2800.2 6.6137 6405 190 194

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 29RQ: If 3000 ft3 of air is crossing an evaporator coil and iscooled from 75F to 55F, what would be the...
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Steam undergoes an Isentropic process where it is initially at 1.05 MPa and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find the tsat2, dryness, and enthalpy change. (69.10C, 90.4%, -657.34 kJ/kg) 1.05 (18204) (t Sat.) LO (179.91) 10v 10' v 194.44 2583.6 2778.1 6.5865 185.60 2585.I 2780.0 6.5696 Sat. 150 155 179.07 2332.0 2711.J 6.4342 182.29 2542.9 2725.1 6.4669 183.43 2553.4 2738.9 6.4984 188.50 2563.8 2752.3 172.60 2539.2 2720.4 6.4336 175.66 2550.0 2734.5 6.4678 178.64 2560.6 2748.2 6.4989 160 165 170 6.3289 191.33 2573.9 2765.4 6.5584 194.50 2583.8 2778.3 6.5870 197.42 2593.6 2791.0 6.6148 200.30 2603.2 2803.5 6.6419 203.15 2612.6 2815.8 6.6682 175 180 185 190 195 6.5289 181.36 2570.9 2761.6 184.44 258LO 2774.7 6.5580 187.26 2590.9 2787.5 6.5863 190.04 2600.7 2800.2 192.79 2610.2 2812.7 6.6137 6.6405 206.0 2621.9 2827.9 6.6940 211.5 2640.2 2851.7 6.7437 216.9 2658.0 2874.9 6.7914 222.2 2675.6 2897.8 6.8374 227.5 2692.9 2920.4 5.6666 195.49 2619.7 2824.9 200.81 2638.1 2849.0 6.7169 206.02 2656.2 2872.5 6.7651 211.14 2673.9 2895.6 216.18 2691.3 2918.3 200 210 220 230 240 6.8114 6.8561 6.8817 232.7 2709.9 2942.6 6.9247 237.8 2726.8 2964.6 6.9664 242.9 2743.6 2986.5 7.0069 248.0 2760.2 3008.2 7.0465 253.0 2776.7 3029.7 7.0851 6.8994 6.9414 221.2 2708.5 2940.7 226.1 2725.5 2962.9 231.0 2742.3 2984.8 6.9822 235.8 2759.1 3006.6 7.0219 240.6 2775.7 3028.3 7.0607 250 260 270 280 290 257.9 2793.2 3051.2 7.1229 262.9 2809.7 3072.6 267.8 2826.1 3093.9 272.7 2842.5 3115.2 277.6 2858.8 3136.4 7.1599 7.1962 7.2318 7.2667 245.3 2792.2 3049.8 7.0986 250.1 2808.7 3071.3 7.1358 254.8 2825.2 3092.7 259.5 2841.6 3114.1 7.2079 264.1 2858.0 3135.4 300 310 320 330 340 7.1722 7.2429 Specific Volume Internal Energy Enthalpy Entropy Bel Set. Vapar Pro Sat. Vaper Sat. Liguid Sat Vape Sat Liid Hel. Vapom Evep. 10'v, Evap Eap 10, h. 64.97 65AS 025 10199 6204 5980 3772. 5579. 5398 271.90 21912 2463.1 271.93 2346.3 2618.2 275.61 2344.1 2619.7 279.17 2342 0 2621 2 282 62 23400 26226 285 98 23360 2624.0 8931 6.9383 18314 9040 69139 78179 9145 6.8904 7.8049 9246 68678 1,7924 9344 6.8459 7.7803 LO204 027 279.14 2186 2 2465 3 282.60 2183.8 2466 4 285.95 2181 S 2467.4 66.70 1.0209 67.53 10214 A29 68.33 1.0218 1.0223 70.60 1.0232 10241 10249 1.0257 289 23 2336.I 2625.3 295.48 2332.4 2627.8 301 40 23288 2630 2 307.05 2325.5 2632.5 312.43 2322.3 2634.7 69.10 5229 4922. 650. 4403 289.20 2179.2 2468.4 295 45 2174.9 24703 J01 37 2170.8 2412.1 307.01 2166.8 2473 8 312.39 2163.I 2475.5 9439 6.8247 7.7686 9622 6.7843 1.7465 9193 6.7463 1.7257 9956 6.7104 7.7 034 72.01 73.36 74.64 4190. 10111 6.6764 7.6876
Transcribed Image Text:Steam undergoes an Isentropic process where it is initially at 1.05 MPa and 304C. The isentropic process causes its pressure to drop to 30 kPa. Find the tsat2, dryness, and enthalpy change. (69.10C, 90.4%, -657.34 kJ/kg) 1.05 (18204) (t Sat.) LO (179.91) 10v 10' v 194.44 2583.6 2778.1 6.5865 185.60 2585.I 2780.0 6.5696 Sat. 150 155 179.07 2332.0 2711.J 6.4342 182.29 2542.9 2725.1 6.4669 183.43 2553.4 2738.9 6.4984 188.50 2563.8 2752.3 172.60 2539.2 2720.4 6.4336 175.66 2550.0 2734.5 6.4678 178.64 2560.6 2748.2 6.4989 160 165 170 6.3289 191.33 2573.9 2765.4 6.5584 194.50 2583.8 2778.3 6.5870 197.42 2593.6 2791.0 6.6148 200.30 2603.2 2803.5 6.6419 203.15 2612.6 2815.8 6.6682 175 180 185 190 195 6.5289 181.36 2570.9 2761.6 184.44 258LO 2774.7 6.5580 187.26 2590.9 2787.5 6.5863 190.04 2600.7 2800.2 192.79 2610.2 2812.7 6.6137 6.6405 206.0 2621.9 2827.9 6.6940 211.5 2640.2 2851.7 6.7437 216.9 2658.0 2874.9 6.7914 222.2 2675.6 2897.8 6.8374 227.5 2692.9 2920.4 5.6666 195.49 2619.7 2824.9 200.81 2638.1 2849.0 6.7169 206.02 2656.2 2872.5 6.7651 211.14 2673.9 2895.6 216.18 2691.3 2918.3 200 210 220 230 240 6.8114 6.8561 6.8817 232.7 2709.9 2942.6 6.9247 237.8 2726.8 2964.6 6.9664 242.9 2743.6 2986.5 7.0069 248.0 2760.2 3008.2 7.0465 253.0 2776.7 3029.7 7.0851 6.8994 6.9414 221.2 2708.5 2940.7 226.1 2725.5 2962.9 231.0 2742.3 2984.8 6.9822 235.8 2759.1 3006.6 7.0219 240.6 2775.7 3028.3 7.0607 250 260 270 280 290 257.9 2793.2 3051.2 7.1229 262.9 2809.7 3072.6 267.8 2826.1 3093.9 272.7 2842.5 3115.2 277.6 2858.8 3136.4 7.1599 7.1962 7.2318 7.2667 245.3 2792.2 3049.8 7.0986 250.1 2808.7 3071.3 7.1358 254.8 2825.2 3092.7 259.5 2841.6 3114.1 7.2079 264.1 2858.0 3135.4 300 310 320 330 340 7.1722 7.2429 Specific Volume Internal Energy Enthalpy Entropy Bel Set. Vapar Pro Sat. Vaper Sat. Liguid Sat Vape Sat Liid Hel. Vapom Evep. 10'v, Evap Eap 10, h. 64.97 65AS 025 10199 6204 5980 3772. 5579. 5398 271.90 21912 2463.1 271.93 2346.3 2618.2 275.61 2344.1 2619.7 279.17 2342 0 2621 2 282 62 23400 26226 285 98 23360 2624.0 8931 6.9383 18314 9040 69139 78179 9145 6.8904 7.8049 9246 68678 1,7924 9344 6.8459 7.7803 LO204 027 279.14 2186 2 2465 3 282.60 2183.8 2466 4 285.95 2181 S 2467.4 66.70 1.0209 67.53 10214 A29 68.33 1.0218 1.0223 70.60 1.0232 10241 10249 1.0257 289 23 2336.I 2625.3 295.48 2332.4 2627.8 301 40 23288 2630 2 307.05 2325.5 2632.5 312.43 2322.3 2634.7 69.10 5229 4922. 650. 4403 289.20 2179.2 2468.4 295 45 2174.9 24703 J01 37 2170.8 2412.1 307.01 2166.8 2473 8 312.39 2163.I 2475.5 9439 6.8247 7.7686 9622 6.7843 1.7465 9193 6.7463 1.7257 9956 6.7104 7.7 034 72.01 73.36 74.64 4190. 10111 6.6764 7.6876
An Isobaric process is done on steam where it is heated to 200 C at 1.1 MPa. It was initially a kilogram of saturated liquid. Find the change in volume, change in internal energy, change in enthalpy, and change in entropy. (0.1848 m3, 1837.31 kJ, 2040.66 kJ, 4.4609 kJ/k) Table 3. Vapor pt Sat.) 1.10 (I4.09) 1.15 (I6.07) 10 Set. 177.53 2586.4 2781.7 6.5535 170.13 2587.7 27833 6.5381 175 100 185 190 195 4.4726 172 50 2547.9 2757.6 175.28 2572 27710 178.02 25882 2784.0 6.3387 180.71 2598.1 2796.9 183.36 2607. 2809.5 14.20 2564 27336 164.91 25732 2767.2 3028 L69.37 23835 27405 6.5004 6.5866 6.6137 63603 6.5878 174.75 2605.4 2806.4 200 205 210 215 220 185.97 2617.4 2822.0 6.6401 188.56 2626.8 2834.2 6.6659 191.11 2636.1 2846.3 193.63 2645 3 28583 196.13 2654.3 2870.1 6.6911 6.7157 6.7398 177.28 2615.1 2819.0 6.6146 179.77 2624.6 28314 6.6407 182.24 2634.0 2843.6 6.6661 184.68 2643.3 2855.7 6.6910 187.09 2652.5 2867.6 6.7154 225 230 235 240 245 198.60 2663.3 28818 6.7634 201.05 2672.2 2893.4 6.7865 203.49 2681.0 2904.9 6.8093 194.19 2679.4 2902.7 205.90 2689.8 2916.3 6.8316 208.30 2698.5 2927.6 6.8535 189.47 2661.5 2879.4 6.7392 191 84 2670.5 2891.1 196.51 2688.2 2914.2 198 82 2697.0 2925.6 6.7625 6.7855 6.8080 6.8301 250 260 270 280 290 210.7 2707.1 2938.8 6.8751 215.4 2724.2 2961.1 6.9174 220.1 2741.1 2983.2 6.9584 224.7 2757.9 3005.1 6.9984 201.1 2705.7 2936.9 205.7 2722.9 2959 4 6.8943 210.2 2739.9 2981.6 6.9356 214.6 2756.8 3003.6 6.9757 219.0 2773.6 3025.4 7.0149 68518 229.3 2774.6 3026.9 7.0373 Specifie Velume Internal Knergy Enthalpy EMrepy Lind Vap Ep Ligd T08 64 IB66I 25747 T 00 I842 2575 2 1134 18622 25756 71366 I860.3 2576.0 71795 1858S 25744 J09 47 20570 2766 4 T1I85 20552 21670 T14.20 2053.4 27675 716.52 20516 27681 718 2049 21686 2.0200 46647 6.6847 2.0253 46549 64802 2010 4.45I 6.6758 2.0159 46155 6.6714 2.0411 4.626e 6 6670 LIS L121 16775 8.32 1.56 251.6 212 4 2493 246.3 243.3 75 LI135 142 721 11 2048 O 27691 123.38 2046.3 27693 725.62 2044S 2770.2 727.6) 20428 2770.7 730 04 2041I 27712 2.0462 46166 6.6628 2.0513 4.6073 66585 2.0563 45I 66544 2.0612 4.5890 64502 2.0662 45800 66462 LI148 I043 170.95 171 45 171.97 17247 1.1I14 2404 2376 234.9 2322 229.5 120.22 18566 25768 722 47 1854,7 25772 724.70 1852.9 25776 726 91 1851I 2578.0 729.10 18492 25783 4.1161 14 172 96 173.46 1.1187 173.94 2270 224.5 2220 731.27 1843.4 25787 733.42 1845.7 2579.1 735.55 18439 2379.4 737.64 18421 2519.8 739.75 1840.4 2580.1 732.22 2039.4 27714 734.38 2037.7 2772.1 136.52 2036.1 2772.6 138.64 2034.4 2773.0 740.75 2032 8 2773.5 20710 45711 66421 20758 45423 6.6381 2.0806 4.5536 6.6342 2.0853 4.5450 6.630) 2.0900 4.5344 66264 L19) L.1200 174 43 2196 211.3 174.90 L.1206 175.38 17585 11218 L1225 213.0 212.7 2105 208 4 206.3 74283 2031.1 27739 744.91 2029.5 2774.4 746.96 2027 9 2774.8 749.00 2026.3 2775.3 751.02 2024.T 2775.7 2.0946 4.5280 66226 2.0992 45196 6.6188 2.1038 43113 66151 2.108) 4.5031 66114 21127 4.4950 6.6077 .90 91 L1212 14183 18386 25805 743.89 1836.9 25808 745.93 1835.2 2581.1 747.95 1833.5 2581.5 749.96 1831A 2581.8 176 31 11231 .93 94 176. 74 177.24 1.1237 .95 96 97 17769 178.14 178 59 17903 179 47 L1243 L1249 11255 L1261 1 1267 2042 202.2 200.2 198.2 751.95 1830.2 2582.1 753.93 1828.5 25824 755.89 1826.9 2582.7 157.84 I825.2 25831 759.13 I823.6 25834 753.02 2023.1 2776.1 755.01 2021 5 2776.5 756.98 2019.9 27769 758.94 2018 4 2177.3 760.88 2016.8 2777.7 2.1172 4.4869 6.6041 2.1215 44789 6.6005 2.1259 4.4710 6.5969 632 6 5934 2.1345 4.4555 6.5899 99 1963 1.00 179.91 1.1273 761.68 1822.0 2583.6 765,47 1818.8 2584.2 769.21 18156 2584 8 772.89 1812 5 25854 776.52 1B09 4 2585.9 194.44 LI284 18162 1.1296 182.46 76281 2015.3 2778.1 766.63 2012.2 2778.9 770.38 2009 2 27796 774.08 2006 2 2780.3 771.14 2003. 27810 2.1387 4447S 6.5865 2.1471 44326 6.5796 2.1553 4.4177 65729 2.1634 4.4030 6.5664 2.1713 4.3886 6.5599 180.77 190 80 187.30 183.92 180.67 L04 11308 1.8 183.24 L1319 184 09 184.89 L.1330 11342 177.53 174.49 780.09 1806.) 2586.4 783.62 I8033 2586.9 781.34 20004 27817 784 89 1991 5 2782.4 2.1792 4.3144 6.5516 2.1869 4.3605 6.5473 1.12
Transcribed Image Text:An Isobaric process is done on steam where it is heated to 200 C at 1.1 MPa. It was initially a kilogram of saturated liquid. Find the change in volume, change in internal energy, change in enthalpy, and change in entropy. (0.1848 m3, 1837.31 kJ, 2040.66 kJ, 4.4609 kJ/k) Table 3. Vapor pt Sat.) 1.10 (I4.09) 1.15 (I6.07) 10 Set. 177.53 2586.4 2781.7 6.5535 170.13 2587.7 27833 6.5381 175 100 185 190 195 4.4726 172 50 2547.9 2757.6 175.28 2572 27710 178.02 25882 2784.0 6.3387 180.71 2598.1 2796.9 183.36 2607. 2809.5 14.20 2564 27336 164.91 25732 2767.2 3028 L69.37 23835 27405 6.5004 6.5866 6.6137 63603 6.5878 174.75 2605.4 2806.4 200 205 210 215 220 185.97 2617.4 2822.0 6.6401 188.56 2626.8 2834.2 6.6659 191.11 2636.1 2846.3 193.63 2645 3 28583 196.13 2654.3 2870.1 6.6911 6.7157 6.7398 177.28 2615.1 2819.0 6.6146 179.77 2624.6 28314 6.6407 182.24 2634.0 2843.6 6.6661 184.68 2643.3 2855.7 6.6910 187.09 2652.5 2867.6 6.7154 225 230 235 240 245 198.60 2663.3 28818 6.7634 201.05 2672.2 2893.4 6.7865 203.49 2681.0 2904.9 6.8093 194.19 2679.4 2902.7 205.90 2689.8 2916.3 6.8316 208.30 2698.5 2927.6 6.8535 189.47 2661.5 2879.4 6.7392 191 84 2670.5 2891.1 196.51 2688.2 2914.2 198 82 2697.0 2925.6 6.7625 6.7855 6.8080 6.8301 250 260 270 280 290 210.7 2707.1 2938.8 6.8751 215.4 2724.2 2961.1 6.9174 220.1 2741.1 2983.2 6.9584 224.7 2757.9 3005.1 6.9984 201.1 2705.7 2936.9 205.7 2722.9 2959 4 6.8943 210.2 2739.9 2981.6 6.9356 214.6 2756.8 3003.6 6.9757 219.0 2773.6 3025.4 7.0149 68518 229.3 2774.6 3026.9 7.0373 Specifie Velume Internal Knergy Enthalpy EMrepy Lind Vap Ep Ligd T08 64 IB66I 25747 T 00 I842 2575 2 1134 18622 25756 71366 I860.3 2576.0 71795 1858S 25744 J09 47 20570 2766 4 T1I85 20552 21670 T14.20 2053.4 27675 716.52 20516 27681 718 2049 21686 2.0200 46647 6.6847 2.0253 46549 64802 2010 4.45I 6.6758 2.0159 46155 6.6714 2.0411 4.626e 6 6670 LIS L121 16775 8.32 1.56 251.6 212 4 2493 246.3 243.3 75 LI135 142 721 11 2048 O 27691 123.38 2046.3 27693 725.62 2044S 2770.2 727.6) 20428 2770.7 730 04 2041I 27712 2.0462 46166 6.6628 2.0513 4.6073 66585 2.0563 45I 66544 2.0612 4.5890 64502 2.0662 45800 66462 LI148 I043 170.95 171 45 171.97 17247 1.1I14 2404 2376 234.9 2322 229.5 120.22 18566 25768 722 47 1854,7 25772 724.70 1852.9 25776 726 91 1851I 2578.0 729.10 18492 25783 4.1161 14 172 96 173.46 1.1187 173.94 2270 224.5 2220 731.27 1843.4 25787 733.42 1845.7 2579.1 735.55 18439 2379.4 737.64 18421 2519.8 739.75 1840.4 2580.1 732.22 2039.4 27714 734.38 2037.7 2772.1 136.52 2036.1 2772.6 138.64 2034.4 2773.0 740.75 2032 8 2773.5 20710 45711 66421 20758 45423 6.6381 2.0806 4.5536 6.6342 2.0853 4.5450 6.630) 2.0900 4.5344 66264 L19) L.1200 174 43 2196 211.3 174.90 L.1206 175.38 17585 11218 L1225 213.0 212.7 2105 208 4 206.3 74283 2031.1 27739 744.91 2029.5 2774.4 746.96 2027 9 2774.8 749.00 2026.3 2775.3 751.02 2024.T 2775.7 2.0946 4.5280 66226 2.0992 45196 6.6188 2.1038 43113 66151 2.108) 4.5031 66114 21127 4.4950 6.6077 .90 91 L1212 14183 18386 25805 743.89 1836.9 25808 745.93 1835.2 2581.1 747.95 1833.5 2581.5 749.96 1831A 2581.8 176 31 11231 .93 94 176. 74 177.24 1.1237 .95 96 97 17769 178.14 178 59 17903 179 47 L1243 L1249 11255 L1261 1 1267 2042 202.2 200.2 198.2 751.95 1830.2 2582.1 753.93 1828.5 25824 755.89 1826.9 2582.7 157.84 I825.2 25831 759.13 I823.6 25834 753.02 2023.1 2776.1 755.01 2021 5 2776.5 756.98 2019.9 27769 758.94 2018 4 2177.3 760.88 2016.8 2777.7 2.1172 4.4869 6.6041 2.1215 44789 6.6005 2.1259 4.4710 6.5969 632 6 5934 2.1345 4.4555 6.5899 99 1963 1.00 179.91 1.1273 761.68 1822.0 2583.6 765,47 1818.8 2584.2 769.21 18156 2584 8 772.89 1812 5 25854 776.52 1B09 4 2585.9 194.44 LI284 18162 1.1296 182.46 76281 2015.3 2778.1 766.63 2012.2 2778.9 770.38 2009 2 27796 774.08 2006 2 2780.3 771.14 2003. 27810 2.1387 4447S 6.5865 2.1471 44326 6.5796 2.1553 4.4177 65729 2.1634 4.4030 6.5664 2.1713 4.3886 6.5599 180.77 190 80 187.30 183.92 180.67 L04 11308 1.8 183.24 L1319 184 09 184.89 L.1330 11342 177.53 174.49 780.09 1806.) 2586.4 783.62 I8033 2586.9 781.34 20004 27817 784 89 1991 5 2782.4 2.1792 4.3144 6.5516 2.1869 4.3605 6.5473 1.12
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