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3. A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414 atm reheat pressure, the throttle and reheat temperature of the steam is 1302 R, condenser pressure is 4.3 kPa, find the following: a. Thermal Efficiency in percent b. Heat Rejected in BTU/1b 4. Consider the Problem no. 3, if the efficiency at high pressure and low pressure turbine is 76% and 75%, respectively, calculate the following: a. Net Work in kJ/kg b. Quality After Turbine Expansion in percent

3. A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414 atm reheat pressure, the throttle and reheat temperature of the steam is 1302 R, condenser pressure is 4.3 kPa, find the following: a. Thermal Efficiency in percent b. Heat Rejected in BTU/1b 4. Consider the Problem no. 3, if the efficiency at high pressure and low pressure turbine is 76% and 75%, respectively, calculate the following: a. Net Work in kJ/kg b. Quality After Turbine Expansion in percent

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
Problem 1.1MA
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use the steam table provided below
3. A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414 atm reheat pressure, the throttle and reheat temperature of the steam is 1302 R, condenser pressure is 4.3 kPa, find the following: a. Thermal Efficiency in percent b. Heat Rejected in BTU/lb 4. Consider the Problem no. 3, if the efficiency at high pressure and low pressure turbine is 76% and 75%, respectively, calculate the following: a. Net Work in kJ/kg b. Quality After Turbine Expansion in percent
Transcribed Image Text:3. A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414 atm reheat pressure, the throttle and reheat temperature of the steam is 1302 R, condenser pressure is 4.3 kPa, find the following: a. Thermal Efficiency in percent b. Heat Rejected in BTU/lb 4. Consider the Problem no. 3, if the efficiency at high pressure and low pressure turbine is 76% and 75%, respectively, calculate the following: a. Net Work in kJ/kg b. Quality After Turbine Expansion in percent
12.5 (327.89) h 10³ v u 13.495 2505.1 2673.8 5.4624 13.021 2482.7 2645.4 5.4151 13.810 2519.9 2692.5 5.4935 14.484 2551.0 2732.0 5.5587 15.081 2578.1 2766.6 5.6154 15.624 2602.4 2797.7 5.6659 16.126 2624.6 2826.2 5.7118 17.039 2664.3 2877.3 5.7932 17.863 2699.6 2922.8 5.8645 18.622 2731.6 2964.4 5.9287 19.332 2761.4 3003.0 5.9873 20.00 2789.3 3039.3 6.0417 20.64 2815.8 3073.9 6.0926 21.26 2841.2 3106.9 6.1407 21.85 2865.7 3138.8 6.1864 22.43 2889.4 3169.7 6.2300 22.99 2912.5 3199.8 6.2719 23.53 2935.1 3229.2 6.3123 24.06 2957 2 32580 63513 13.0 (330.93) h 10 v s u 12.780 2496.1 2662.2 5.4323 12.631 2488.7 2652.9 5.4169 13.376 2525.2 2699.1 5.4931 14.016 2555.9 2738.1 5.5570 14.587 2582.8 2772.4 5.6127 15.108 2606.9 2803.3 5.6626 16.041 2649.5 2858.1 5.7497 16.873 2686.8 2906.1 5.8250 17.634 2720.3 2949.6 5.8921 18.341 2751.2 2989.6 5.9530 19.007 2780.1 3027.2 6.0091 19.640 2807.3 3062.7 6.0615 20.246 2833.4 3096.6 6.1107 20.830 2858.4 3129.1 6.1574 21.394 2882.6 3160.7 6.2020 21.94 2906.1 3191.3 6.2446 22.47 2929.0 3221.2 6.2857 23.00 29515 3250.4 6.3253 p (t Sat.) 13.5 (333.88) h 10³ v u S t 12.112 2486.7 2650.2 5.4021 Sat. 320 325 330 12.287 2495.7 2661.5 5.4208 335 12.989 2531.2 2706.6 5.4946 340 13.598 2561.4 2745.0 5.5570 345 14.143 2588.0 2778.9 5.6117 350 15.103 2633.9 2837.8 5.7055 360 15.947 2673.4 2888.7 5.7852 370 16.712 2708.6 2934.2 5.8555 380 17.418 2740.8 2975.9 5.9188 390 18.081 2770.6 3014.7 5.9768 400 18.707 2798.7 3051.2 6.0307 410 19.306 2825.4 3086.0 6.0813 420 19.880 2850.9 3119.3 6.1290 430 20.435 2875.6 3151.5 6.1744 440 20.97 2899.6 3182.7 6.2179 450 21.50 2922.9 3213.1 6.2596 460 22.00 2945.7 3242.8 6.2998 470
Transcribed Image Text:12.5 (327.89) h 10³ v u 13.495 2505.1 2673.8 5.4624 13.021 2482.7 2645.4 5.4151 13.810 2519.9 2692.5 5.4935 14.484 2551.0 2732.0 5.5587 15.081 2578.1 2766.6 5.6154 15.624 2602.4 2797.7 5.6659 16.126 2624.6 2826.2 5.7118 17.039 2664.3 2877.3 5.7932 17.863 2699.6 2922.8 5.8645 18.622 2731.6 2964.4 5.9287 19.332 2761.4 3003.0 5.9873 20.00 2789.3 3039.3 6.0417 20.64 2815.8 3073.9 6.0926 21.26 2841.2 3106.9 6.1407 21.85 2865.7 3138.8 6.1864 22.43 2889.4 3169.7 6.2300 22.99 2912.5 3199.8 6.2719 23.53 2935.1 3229.2 6.3123 24.06 2957 2 32580 63513 13.0 (330.93) h 10 v s u 12.780 2496.1 2662.2 5.4323 12.631 2488.7 2652.9 5.4169 13.376 2525.2 2699.1 5.4931 14.016 2555.9 2738.1 5.5570 14.587 2582.8 2772.4 5.6127 15.108 2606.9 2803.3 5.6626 16.041 2649.5 2858.1 5.7497 16.873 2686.8 2906.1 5.8250 17.634 2720.3 2949.6 5.8921 18.341 2751.2 2989.6 5.9530 19.007 2780.1 3027.2 6.0091 19.640 2807.3 3062.7 6.0615 20.246 2833.4 3096.6 6.1107 20.830 2858.4 3129.1 6.1574 21.394 2882.6 3160.7 6.2020 21.94 2906.1 3191.3 6.2446 22.47 2929.0 3221.2 6.2857 23.00 29515 3250.4 6.3253 p (t Sat.) 13.5 (333.88) h 10³ v u S t 12.112 2486.7 2650.2 5.4021 Sat. 320 325 330 12.287 2495.7 2661.5 5.4208 335 12.989 2531.2 2706.6 5.4946 340 13.598 2561.4 2745.0 5.5570 345 14.143 2588.0 2778.9 5.6117 350 15.103 2633.9 2837.8 5.7055 360 15.947 2673.4 2888.7 5.7852 370 16.712 2708.6 2934.2 5.8555 380 17.418 2740.8 2975.9 5.9188 390 18.081 2770.6 3014.7 5.9768 400 18.707 2798.7 3051.2 6.0307 410 19.306 2825.4 3086.0 6.0813 420 19.880 2850.9 3119.3 6.1290 430 20.435 2875.6 3151.5 6.1744 440 20.97 2899.6 3182.7 6.2179 450 21.50 2922.9 3213.1 6.2596 460 22.00 2945.7 3242.8 6.2998 470
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