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6.) Air undergoes Isothermal expansion in a Carnot cycle where the pressure decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K before the Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Wnet (kJ/kg), d.) the efficiency (%), e.) draw the T-S diagram with proper label of points, and f.) the pressures before and after Isothermal compression

6.) Air undergoes Isothermal expansion in a Carnot cycle where the pressure decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K before the Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Wnet (kJ/kg), d.) the efficiency (%), e.) draw the T-S diagram with proper label of points, and f.) the pressures before and after Isothermal compression

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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6.) Air undergoes Isothermal expansion in a Carnot cycle where the pressure decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K before the Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Wnet (kJ/kg), d.) the efficiency (%), e.) draw the T-S diagram with proper label of points, and f.) the pressures before and after Isothermal compression • 71.55 kJ/kg, 61.78 kJ/kg, 9.77 kJ/kg, 13.65%, 251.52 kPa and 502 kPa • 80.66 kJ/kg, 58.66 kJ/kg, 22 kJ/kg, 27.27%, 492.08 kPa and 820.13 kPa • 61.22 kJ/kg, 41.22 kJ/kg, 20 kJ/kg, 29.98%, 315.1 kPa and 795.55 kPa • 1000 kJ/kg, 900 kJ/kg, 100 kJ/kg, 10%, 500 kPa and 1000 kPa
Transcribed Image Text:6.) Air undergoes Isothermal expansion in a Carnot cycle where the pressure decreases from 2.5 MPa to 1.5 MPa. This process has a temperature of 550 K and it decreases to 400 K before the Isothermal compression stroke. Find a.) Qa, b.) Qr, c.) Wnet (kJ/kg), d.) the efficiency (%), e.) draw the T-S diagram with proper label of points, and f.) the pressures before and after Isothermal compression • 71.55 kJ/kg, 61.78 kJ/kg, 9.77 kJ/kg, 13.65%, 251.52 kPa and 502 kPa • 80.66 kJ/kg, 58.66 kJ/kg, 22 kJ/kg, 27.27%, 492.08 kPa and 820.13 kPa • 61.22 kJ/kg, 41.22 kJ/kg, 20 kJ/kg, 29.98%, 315.1 kPa and 795.55 kPa • 1000 kJ/kg, 900 kJ/kg, 100 kJ/kg, 10%, 500 kPa and 1000 kPa
2.30 (217.29) 225 (218.45) P(t Sat.) 10 v 10 90.73 2601.7 2801.3 6.3056 88.75 2602.0 2801.7 6.2972 Set. 86.71 2571.5 2762.2 88.38 2584.I 2778.5 6.2587 90.01 2596 3 2794 3 6.2912 91.58 2608.T 2809.5 6.3223 200 205 210 215 220 6.2248 86.06 25813 2774.9 6.2423 87.66 2593.7 2790 9 6.2753 89.23 2605.7 2806.4 6.3068 90.75 2617.3 2821.5 6.3372 92.23 2628.6 2836.1 6.3664 93.69 2639.6 2850.4 6.3947 95.11 2650.4 2864.4 6.4220 240 96.51 2660.9 2878.1 6.4486 6.3523 6.3812 93.12 2619.5 2824.4 94.63 2630.7 2838.9 96.10 2641.6 2853.0 6.4092 97.54 2652.2 2866.8 6.4362 98.96 2662.7 2880.4 6.4626 225 230 235 245 100.35 2672.9 2893.7 6.4881 103.08 2693.0 2919.7 6.5374 105.74 2712.4 2945.0 6.5844 108.34 2731.4 2969.7 6.6294 105.74 2730,1 2968.00 6.6167 110.89 2750.0 2993.9 6.6728 108.25 2748.8 2992.3 97.88 2671.3 2891.5 64744 100.57 2691.4 2917.7 6.5240 103.19 2711.0 2943.2 6.5713 250 260 270 280 290 6.6603 113.40 2768.2 3017.7 6.7147 115.87 2786.3 3041.2 6.7553 118.31 2804.1 3064.4 6.7947 120.72 2821.7 3087.3 6.8331 117.90 2820.9 3086.1 6.8212 123.11 2839.3 3110.1 6.8706 120.25 2838.4 3109.0 6.8588 110.71 2767.1 3016.3 6.7023 113.14 2785.2 3039.8 6.7431 115.54 2803.I 3063.1 6.7827 300 310 320 330 340 390 360 370 380 390 125.48 2856.7 3132.7 6.9071 122.57 2855.9 3131.7 6.8955 127.83 2874.0 3155.2 6.9429 130.16 2891.3 3177.6 6.9780 132.47 2908.5 3199.9 134.77 2925.6 3222.1 124.87 2873.3 3154.2 6.9314 127.15 2890.3 3176.6 6.9665 129.42 2907.8 3199.0 7.0010 131.68 2925.0 3221.3 7,0124 7.0462 7.0349 Specific Volume Sat. Liquid 10°v, Internal Energy Sat, Liquid Enthal Entropy Sat. Vapor Sat. Vapor 10s Pres. MP Temp Sat. Vapor Sat, Liquid h, Sat. Vapor Sat. Liquid Evap. Evap. Evap. t. u, h, Sy "n .025 .026 .027 .028 .029 64.97 1.0199 65.85 1.0204 66.70 1.0209 67.53 1.0214 68.33 1.0218 6204. 5980. 5772. 5579. S398. 271.90 2191:2 2463.1 275.58 2188.7 2464.2 279.14 2186.2 2465.3 282.60 2183.8 2466.4 285.95 2181.5 2467.4 271.93 2346.3 2618.2 275.61 2344.1 2619.7 279.17 2342.0 2621.2 282.62 2340.0 2622.6 285.98 2338.0 2624.0 8931 6.9383 7.8314. 9040 6.9139 7.8179 9145 6.8904 7.8049 .9246 6.8678 7.7924 9344 6.8459 7.7803 289.20 2179.2 2468.4 289.23 2336.1 2625.3 295.45 2174.9 2470.3 301.37 2170.8 2472.1 307.01 2166.8 2473.8 312.39 2163.1 2475.5 .9439 6.8247 7.7686 9622 6.7843 7.7465 9793 6.7463 7.7257 9956 6.7104 7.7061 1.0111 6.6764 7.6876 69.10 1.0223 1.0232 .030 .032 .034 .036 .038 70.60 72.01 1.0241 73.36 1.0249 74.64 1.0257 5229. 4922. 650. 4408 4190. 295.48 2332.4 2627.8 301.40 2328.8 2630.2 307.05 2325.5 2632.5 312.43 2322.3 2634.7 .040 .042 .044 .046 .048 75.87 1.0265 77.05 1.0272 78.18 1.0279 79.27 3993. 3815. 3652. 3503. 3367. 317.53 2159.5 2477.0 322.47 2156.0 2478.5 327.22 2152.7 2479.9 331.78 2149.5 2481.3 336.19 2146.4 2482.6 317.58 2319.2 2636.8 322.51 2316.2 2638.7 327.26 2313.4 2640.6 331.83 2310.6 2642.5 336.23 2308.0 2644.2 1.0259 6.6441 7.6700 1.0400 6.6133 7.6534 1.0536 6.5839 7.6375 1.0666 6.5558 7.6223 1.0790 6.5288 7.6078 1.0286 80.32 1.0293
Transcribed Image Text:2.30 (217.29) 225 (218.45) P(t Sat.) 10 v 10 90.73 2601.7 2801.3 6.3056 88.75 2602.0 2801.7 6.2972 Set. 86.71 2571.5 2762.2 88.38 2584.I 2778.5 6.2587 90.01 2596 3 2794 3 6.2912 91.58 2608.T 2809.5 6.3223 200 205 210 215 220 6.2248 86.06 25813 2774.9 6.2423 87.66 2593.7 2790 9 6.2753 89.23 2605.7 2806.4 6.3068 90.75 2617.3 2821.5 6.3372 92.23 2628.6 2836.1 6.3664 93.69 2639.6 2850.4 6.3947 95.11 2650.4 2864.4 6.4220 240 96.51 2660.9 2878.1 6.4486 6.3523 6.3812 93.12 2619.5 2824.4 94.63 2630.7 2838.9 96.10 2641.6 2853.0 6.4092 97.54 2652.2 2866.8 6.4362 98.96 2662.7 2880.4 6.4626 225 230 235 245 100.35 2672.9 2893.7 6.4881 103.08 2693.0 2919.7 6.5374 105.74 2712.4 2945.0 6.5844 108.34 2731.4 2969.7 6.6294 105.74 2730,1 2968.00 6.6167 110.89 2750.0 2993.9 6.6728 108.25 2748.8 2992.3 97.88 2671.3 2891.5 64744 100.57 2691.4 2917.7 6.5240 103.19 2711.0 2943.2 6.5713 250 260 270 280 290 6.6603 113.40 2768.2 3017.7 6.7147 115.87 2786.3 3041.2 6.7553 118.31 2804.1 3064.4 6.7947 120.72 2821.7 3087.3 6.8331 117.90 2820.9 3086.1 6.8212 123.11 2839.3 3110.1 6.8706 120.25 2838.4 3109.0 6.8588 110.71 2767.1 3016.3 6.7023 113.14 2785.2 3039.8 6.7431 115.54 2803.I 3063.1 6.7827 300 310 320 330 340 390 360 370 380 390 125.48 2856.7 3132.7 6.9071 122.57 2855.9 3131.7 6.8955 127.83 2874.0 3155.2 6.9429 130.16 2891.3 3177.6 6.9780 132.47 2908.5 3199.9 134.77 2925.6 3222.1 124.87 2873.3 3154.2 6.9314 127.15 2890.3 3176.6 6.9665 129.42 2907.8 3199.0 7.0010 131.68 2925.0 3221.3 7,0124 7.0462 7.0349 Specific Volume Sat. Liquid 10°v, Internal Energy Sat, Liquid Enthal Entropy Sat. Vapor Sat. Vapor 10s Pres. MP Temp Sat. Vapor Sat, Liquid h, Sat. Vapor Sat. Liquid Evap. Evap. Evap. t. u, h, Sy "n .025 .026 .027 .028 .029 64.97 1.0199 65.85 1.0204 66.70 1.0209 67.53 1.0214 68.33 1.0218 6204. 5980. 5772. 5579. S398. 271.90 2191:2 2463.1 275.58 2188.7 2464.2 279.14 2186.2 2465.3 282.60 2183.8 2466.4 285.95 2181.5 2467.4 271.93 2346.3 2618.2 275.61 2344.1 2619.7 279.17 2342.0 2621.2 282.62 2340.0 2622.6 285.98 2338.0 2624.0 8931 6.9383 7.8314. 9040 6.9139 7.8179 9145 6.8904 7.8049 .9246 6.8678 7.7924 9344 6.8459 7.7803 289.20 2179.2 2468.4 289.23 2336.1 2625.3 295.45 2174.9 2470.3 301.37 2170.8 2472.1 307.01 2166.8 2473.8 312.39 2163.1 2475.5 .9439 6.8247 7.7686 9622 6.7843 7.7465 9793 6.7463 7.7257 9956 6.7104 7.7061 1.0111 6.6764 7.6876 69.10 1.0223 1.0232 .030 .032 .034 .036 .038 70.60 72.01 1.0241 73.36 1.0249 74.64 1.0257 5229. 4922. 650. 4408 4190. 295.48 2332.4 2627.8 301.40 2328.8 2630.2 307.05 2325.5 2632.5 312.43 2322.3 2634.7 .040 .042 .044 .046 .048 75.87 1.0265 77.05 1.0272 78.18 1.0279 79.27 3993. 3815. 3652. 3503. 3367. 317.53 2159.5 2477.0 322.47 2156.0 2478.5 327.22 2152.7 2479.9 331.78 2149.5 2481.3 336.19 2146.4 2482.6 317.58 2319.2 2636.8 322.51 2316.2 2638.7 327.26 2313.4 2640.6 331.83 2310.6 2642.5 336.23 2308.0 2644.2 1.0259 6.6441 7.6700 1.0400 6.6133 7.6534 1.0536 6.5839 7.6375 1.0666 6.5558 7.6223 1.0790 6.5288 7.6078 1.0286 80.32 1.0293
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