An ideal dual cycle internal combustion engine has a compression ratio of 13, a cutoff ratio of 1.2, and apressure ratio of 1.3. The cycle takes in air at 313K and 40OkPa. Utilizing the cold air standardassumptions and assume the following properties of air stay constant throughout the cycle: Cp=1.005kJ/(kg•K), cv=0.718 kJ/(kg•K), R=0.287 kJ/(kg•K), and k=1.4.Determine the following:a.) The maximum pressure of the cycleb.) The maximum temperature of the cyclec.) The amount of heat addedd.) The thermal efficiency of the cycleP3qin4Jout1

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Answered: An ideal dual cycle internal combustion…

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 pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 100 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 2050 K. Determine a. the compression ratio. b. the cutoff ratio. c. the thermal efficiency of the cycle. d. the mean effective pressure, in kPa.
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)
At the beginning of the compression process of air-standard Diesel cycle operating with a compression ratio of 18, the temperature is 300 K and the pressure is 0.1 MPa. The cut-off ratio for the cycle is 2 and the mass flow rate in the system is 1900 kg/hr. Cp=1.006 kJ/kg K Cv= 0.717 kJ/kg K 1) calculate the thermal efficiency of the cycle in %? 2) which formula should be used to determine the thermal efficiency of the cycle ?
An air-standard Otto cycle uses 0.1 kg of air and has a clearance of 17%. The intake conditions are 98 kPa and 37°C, and the energy release during combustion is 1,600 kJ per kg. Determine the compression ratio.
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 cut-off ratio for the cycle is 2 and mass flow rate in the system is 1900 kg/hr.cp = 1.006 kJ/kg K cv = 0.717 kJ/kg K 1. calculate the thermal efficiency of the cycle in %?Answer to 1 decimal place. 2. calculate the work output of the engine in kW?Answer to 0 decimal place.
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
The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 100 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 2050 K. Determine:(a) the compression ratio.(b) the cutoff ratio.(c) the percent thermal efficiency of the cycle.(d) the mean effective pressure, in kPa.
An engine operates on the air-standard Otto cycle. The conditions at the start of compression are 27°C and 100 kPa. The heat added is 1840 kJ/kg. The compression ratio is 8. Determine the temperature and pressure at the end of each process in the cycle, the thermal efficiency, and the mean effective pressure.
The compression ratio of an air-standard dual cycle is 12, and the pressure at the beginning of compression is 14.7 psia, the volume is 75 in3, and the temperature is 100 F. During the heat-addition processes, 0.4 Btu is transferred at constant volume and 1.0 Btu at constant pressure. Determine: (a) the cycle thermal efficiency (b) the pressure at the beginning of heat rejection.
The temperature at the beginning of the compression process of air-standard otto cycle with a compression ratio of 10 is 21 °C , the pressure is 101 kPa, and the mass flow rate of air in the engine is 580 kg/min. The maximum temperature during the cycle is 1300 °C. Cp= 1.006 kJ/kg K Cv= 0.717 kJ/kg K 1) which formula should be used to determine the thermal efficiency of the cycle? 2) calculate the thermal efficiency of the cycle in %?
The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 80 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 2250 K. a. compression ratiob. cutoff ratioc. thermal efficiencyd. mean effective pressure The correct compression ratio is 25.36
an otto cycle operating in an air standard conditions has a peak tempearture of 800C. If the heat added in each cycle is equal to 350kj/kg. Determine the compression ratio of the cycle

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