Answer carefully please. Step by step solution thank you. At the beginning of the compression process of an air-standard Otto cycle, p1 =1 bar and T1= 300 K. The compression ratio is 8.5 andthe heat addition per unit mass of air is 1200 kJ/kg.Determine:(a) the maximum temperature of the cycle, in K.(b) the net work, in kJ/kg.(c) the percent thermal efficiency of the cycle.(d) the mean effective pressure, in kPa.

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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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At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar and T1 = 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1200 kJ/kg. Determine:(a) the maximum temperature of the cycle, in K.(b) the net work, in kJ/kg.(c) the percent thermal efficiency of the cycle.(d) the mean effective pressure, in kPa.
At the beginning of the compression process of an Otto cycle, p1 = 14.7 lbf/in.2 and T1 = 530°R. The maximum cycle temperature is 3000°R. On a cold air-standard basis using k = 1.4, determine the net work developed, in Btu per unit mass of air, the thermal efficiency, and mean effective pressure, in lbf/in.2, for compression ratios of 6, 8, and 10.
At the beginning of the compression process in an air-standard dual cycle, p1 = 1 bar and T1 = 300 K. The total heat addition is 1000 kJ/kg. Plot the net work per unit of mass, in kJ/kg, the mean effective pressure, in bar, and the thermal efficiency versus compression ratio for different fractions of constant-volume and constant-pressure heat addition. Consider compression ratio ranging from 10 to 20.
9.1 An air-standard Otto cycle has a compression ratio of 8.5. Atthe beginning of compression, p1= 100 kPa and T1 = 300 K.The heat addition per unit mass of air is 1400 kJ/kg. Determine(a) the net work, in kJ per kg of air.(b) the thermal efficiency of the cycle.(c) the mean effective pressure, in kPa.(d) the maximum temperature in the cycle, in K. 9.2 Solve Problem 9.1 on a cold air-standard basis with specificheats evaluated at 300 K. 9.3 At the beginning of the compression process of an air standard Ottocycle, p1 1 bar, T1 290 K, V1 400 cm3. The maximum temperature in the cycle is 2200 K and the compression ratio is 8. Determine(a) the heat addition, in kJ.(b) the net work, in kJ.(c) the thermal efficiency.(d) the mean effective pressure, in bar. 9.4 Solve Problem 9.3 on a cold air-standard basis with specific heatsevaluated at 300 K.
I only need help with letter (d). At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar and T1 = 300 K. The compression ratio is 6 and the heat addition per unit mass of air is 1200 kJ/kg. Determine:(a) the maximum temperature of the cycle, in K.(b) the net work, in kJ/kg.(c) the percent thermal efficiency of the cycle.(d) the mean effective pressure, in kPa.
2. An air-standard Otto cycle has a compression ratio of 9. At the beginning of compression, P1= 100 kPa and T1= 300 K. The heat addition per unit mass of air is 1350 kJ/kg. Determine (a) the net work, in kJ per kg of air. (b) the thermal efficiency of the cycle. (c) the mean effective pressure, in kPa. ((d) the maximum temperature in the cycle, in K..
The displacement volume of an internal combustion engine is 2.15 liters. The processes within each cylinder of the engine are modeled as an air-standard Diesel cycle with a cutoff ratio of 2.5. The state of the air at the beginning of compression is fixed by p1 = 1.6 bar, T1 = 325 K and V1 = 2.36 liters. If the cycle is executed 2100 times per min, determine: a) the compression ratio,b) the net work per cycle, in kJ,c) the maximum temperature, in K,
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At the beginning of compression in an air-standard Diesel cycle, p1 = 96 kPa, V1 = 0.016 m3, and T1 = 290 K. The compression ratio is 15 and the maximum cycle temperature is 1290 K. Determine (a) the mass ofair, in kg. (b) the heat addition and heat rejection per cycle, each in kJ. (c) the net work, in kJ, and d) the thermal efficiency. (e) Solve the problem on a cold air-standard basis with constant specific heats.
At the beginning of the compression process of an air-standard Otto cycle, p1 = 1 bar, T1 = 290 K, V1 = 400 cm3. The maximum temperature in the cycle is 2200 K and the compression ratio is 8. Determine: (a) the heat addition, in kJ. (b) the net work, in kJ. (c) the thermal efficiency. (d) the mean effective pressure, in bar.

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