Do not use shift solve.Unit cancellation is a must.Round off your answers to 4 decimal places. An Otto Cycle operates on 5 kg/s on hot-air standard with k=1.34. The conditions at thebeginning of compression are 101 kPa, 0.038 m³ and 32°C. The clearance is 10% and 12.6 kJare added per cycle. Determine the following:a. PV Diagramb. V2, T2, P2, T3, P3, T4 and P4 (m³ for V, K for T and kPaa for P)c. QR and W (kW)d. Efficiency of the cycle (%)e. Mean effective pressur (kPaa)

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Answered: An Otto Cycle operates on 5 kg/s on…

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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The compression ratio of an Otto cycle working under air standard conditions is 8.0. Determine the peak temperature of the cycle if the heat supplied on the cycle is 3500kJ/kg of working ingredient.
An Otto Cycle operates on 5 kg/s on hot-air standard with k=1.34. The conditions at the beginning of compression are 101 kPa, 0.038 m³ and 32°C. The clearance is 10% and 12.6 kl are added per cycle. Determine the following: a. PV Diagram b. V2, T2, P2, T3, P3, T4 and P4 (m³ for V. K for T and kPaa for P) C. QR and W (kW) d. Efficiency of the cycle (%) E. Mean effective pressur (kPaa)
At the beginning of the compression process of an air—standard Diesel cycle operating with a compression ratio of 18, the temperature is 300 K and the pressure is 0.1 MPa. The cutoff ratio for the cycle is 2. Determine (a) the maximum temperature and pressure at the cycle. (b) Determine the thermal efficiency, (c) Determine the mean effective pressure, in atm.
For an ideal Diesel cycle, (a) Draw the P-v and T-s diagrams (b) Using the fifirst law, fifind the expression for thermal effiffifficiency in terms of enthalpy and internal energy (c) Simplify the expression in (b) using cold air standard assumptions and express it in terms of the compression ratio, cutoff ratio, and the specifific heat ratio.
Calculate the maximum cycle temperature of a diesel cycle operating under air-standard circumstances. The compression ratio of the cycle is 16 and the cut-off ratio is 2.5.
An air-standard Diesel cycle has a maximum temperature of 1800 K. At the beginning of compression, pq =95 kPa and T1 = 300 K. The mass of air is 12 g. For a compression ratio of 15, determine (a) the net work of the cycle, in KkJ. (b) the thermal efficiency. (c) the mean effective pressure, in kPa.
An ideal Diesel cycle has a compression ratio of 18. Air is at 27°C and 100 kPa at the beginning of the compression process and at 1800 K at the end of the heat addition process. Determine the cutoff ratio, determine the heat rejection per unit mass, in kJ/kg, determine the thermal efficiency of the cycle. (Apply air-standard assumptions: variable specific heat)
Calculate the efficiency of an Diesel cycle assuming Cold Air-Standard Analysis operating in air (k= 1.4) with a compression ratio of 20 and a cutoff ratio of 1.7? (Enter your answer as a percent to the nearest 1/10th)
The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 90 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 2050 K. 1.)Determine the mean effective pressure, in kPa.
Draw and label the P-V and T-S diagrams. An ideal Otto cycle has a compression ratio of 10.5, takes in air at 90 kPa and 40°C, and isrepeated 2500 times per minute. Determine the following:a. Thermal efficiency. b. Rate of Heat Input if the cycle is to produce 90 kW of power. 1
9. At the start of the compression process for of single cylinder cold air standard Otto cycle the pressure and temperature are P₁ = 100 kPa and T₁-300 K. If the compression ratio for this engine is equal to 10 and the net work produced by the engine is 500 kJ/kg, the mean effective pressure is most nearly equal to A. 301 kPa B. 350 kPa C. 645 kPa D. 666 kPa E. 5000 kPa
An ideal Otto cycle has a compression ratio of 6. At the beginning of the compression process, air is at 100 kPa and 27°C. If 950 kJ/kg of heat is transferred to the cycle during heat addition process, determine the maximum temperature, in Kelvin, determine the maximum pressure, in kPa, determine the thermal efficiency of the cycle. Apply air-standard assumptions: variable specific heat)

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