Consider an air standard Diesel cycle. At the beginning of compression, the temperature is 300 K and the pressure is 101.35 kPa. Ifthe compression ratio is 15 and during the process 1860 kJ/kg of air as added as heat, calculate the following:The maximum cycle pressurea. 3726 kPab. 1109 kPaThe maximum cycle temperaturea. 1680 Kb. 2740 KThe thermal efficiency of the cyclea. 55%b. 50%.The MEPa. 2600 kPab. 800 kPac. 5890 kPad. 4495 kPac. 60%d. 45%c. 3300 Kd. 4050 Kc. 1300 kPad. 2900 kPa

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Answered: Consider an air standard Diesel cycle.…

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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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 Thermal Efficiency in Percent, %.
In a Diesel cycle, the volume at the beginning of the isentiopic compression is O.8L. If the displaced volume of the cycle is 0.72 L, the Cutoff ratio is 1.6, the specific heat ratio is y=1.32 and the heat rejected is 410 kj/kg, the work done in kj per kg of air is?
An idealcold air-standard Brayton cycle produces some quantity of power. Air with a mass flow rate of 6 kg/s enters the compressor at 100 kPa, 300 K.It is also known that the compressor has a pressure ratio of 10 and the turbine inlet temperature is 1400 K.If k = 1.4for the working fluid, determine the thermal efficiency, the ratio of back work, and the net power for the cycle in kW.
In an air standard dual cycle two –thirds of the total heat supply occurs at constant volume . The state at the beginning of the compression process is 90kPa and 20°C and the compression ratio is 9. if the total heat supply is2100kJ/kg, Determine the efficiency of the cycle.
The ideal air-standard Brayton cycle operates with air entering the compressor at 95 kPa, 22°C. The pressure ratio rp is 6:1 and the air leaves the heat addition process at 1100 K. Determine the compressor work and the turbine work per unit mass flow, the cycle efficiency, the back work ratio, and compare the compressor exit temperature to the turbine exit temperature. Assume constant properties.
A standard Otto air cycle has a r=8 compression ratio. Initially, theCompression temperature is 27ºC and the pressure is 100 kPa. The heat supplied is 3MJ/Jg. Data k= and R=287 J/kg. K and imagining that the cycle represents a 4T engine of displacement of 1600 cm³, at 3600 rpm, determine a) The efficiency of the cycle b) The properties p, T and v at each point
In an ideal Ericsson cycle with a regenerator the pressure ratio is 2.5. The pre-compression pressure is 0.5 Mpa, and the maximum and minimum volumes are 0.02 m ^ 3 and 0.005 m ^ 3, respectively. Since there is 0.06 kg of air in the cycle: a) pre-compression volumeb) compression end pressurec) minimum temperatured) Find the efficiency of the cycle. R = 0.287 kj / kh.K
4] A Diesel engine operates on the air-standard cycle and has a displacement of3.5 liters. The engine’s compression ratio is 19, and the cutoff ratio is 2.4. The conditionsat the beginning of compression are 37 oC, 98 kPaa, and 3.7 liters. If the engine operatesat 1500 rpm, determine a) the compression ratio; b) the cycle work; and c) the powereddeveloped.
Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K, with a volumetric flow rateof 5 m3/s. The compressor pressure ratio is 10. The turbine inlet temperature is 1400 K. Determine the rate of heat transfer to the air passing through the combustor, in kW.
An air standard Otto cycle has a compression ratio of 9. At the beginning of the compression process, the air is at 95 kPa, 27 oC and 500 cm3. The temperature at the end of the expansion process is 790 K. Assume constant specific heats for air at room temperature. Determine: 2.1 the highest temperature and pressure in the cycle, 2.2 the amount of heat supplied in Joules, 2.3 thermal efficiency of the cycle, and 2.4 sketch the processes on a P–v and T–s diagrams clearly showing the values of pressures and temperature obtained in 2.1.
An air-standard Diesel cycle has a maximum temperature of 1800 K. At the beginning of compression, p1 = 95 kPa and T4 = 300 K. The mass of air is 12 g. For a compression ratio of 15, determine (a) the net work of the cycle, in KJ. (b) the thermal efficiency. (c) the mean effective pressure, in kPa.
Plz answer this ASAP thx,before this someone has answered, only the picture doesn't appear From a Brayton cycle, the air entering the compressor has a temperature of 300 K, a pressure of 100 kPa and an air flow rate of 6 kg/s. The compressor pressure ratio is 10. The temperature of the working fluid entering the turbine is 1400 K. The efficiency of the turbine and compressor is 80% and the efficiency of the regenerator is 80%. Calculate A. thermal efficiency, B. workback ratio, C. power produced

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