!Required informationAn air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compressionprocess, air is at 101.0 kPa and 27°C. Account for the variation of specific heats with temperature. The gas constant of air isR = 0.287 kJ/kg.K.Determine the temperature after the heat-addition process.The temperature after the heat-addition process isK.

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Answered: ! Required information An air-standard…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27°C. Account for the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg-K. Determine the thermal efficiency. (You must provide an answer before moving on to the next part.) The thermal efficiency is %
! Required information Consider an ideal gas-turbine cycle with two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300 K and each stage of the turbine at 1200 K. Use variable specific heats. Determine the back work ratio and the thermal efficiency of the cycle, assuming a regenerator with 79 percent effectiveness is used. The back work ratio is The thermal efficiency is [ %. 1%.
3. An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27 °C. Accounting for the variation of specific heats with temperature, determine (a) the temperature after the heat addition process, (b) the thermal efficiency. and (c) the mean effective pressure. T, K h, kJ/kg Pr u, kJ/kg 300 300.19 1.3860 214.07 621.2 57.60 624.95 41.85 840 866.08 860 888.27 63.09 641.40 39.12 880 910.56 68.98 657.95 36.61 900 932.93 75.29 674.58 34.31 1700 1880.1 1025 1392.7 4.761 1750 1941.6 1161 1439.8 4.328 sº, kJ/(kg-K) 1.70203 2.77170 2.79783 2.82344 2.84856 3.5979 3.6336
X=5
! Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27°C. Account for the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg-K. Determine the mean effective pressure. The mean effective pressure is kPa.
Required information An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 101.0 kPa and 27°C. Assume constant specific heats. The properties of air at room temperature are Cp 1.005 kJ/kg K, c = 0.718 kJ/kg K, R= 0.287 kJ/kg-K, and k = 1.4. Determine the temperature after the heat-addition process. The temperature after the heat-addition process is K.
Please solve it fast , thanku
Temperature after the heat addition process = K Thermal efficiency =% Mean effective pressure = kpa
A Brayton cycle with an air-powered regenerator has a pressure ratio of 8. The lowest and highest temperatures of the cycle are 310 K and 1150 K. The adiabatic efficiencies of the compressor and turbine are 75% and 82%, respectively, and the efficiency of the regenerator is 65%. Show the cycle in the T-s diagram. Consider the variation of the specific heats with temperature. a) The temperature of the air at the turbine exit, b) Net work of the cycle, c) Calculate the thermal efficiency of the cycle.
An air standard dual cycle has a compression ratio of 17. At the beginning of compression, p1 = 100 kPa and T1 = 15 o C and volume is 0.5 ft. 3. The pressure doubles during the constant volume heat addition process. For maximum cycle temperature of 1400 o C, determine (a) The heat added, (b) The heat rejected (c) The expansion ratio (d) The cut-off ratio

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