Problem 4An ideal Diesel cycle has a maximum cycle temperature of 2300 °F. The state of the air at thebeginning of the compression is 14.4 psia and 50 °F. This cycle is executed in a four-stroke, eight-cylinder engine with a cylinder bore of 4 in and a piston stroke of 4 in. The minimum volumeenclosed in the cylinder is 4.5% of the maximum cylinder volume. Determine the power producedby this engine when it is operated at 1800 rpm.

The idealized diesel cycle takes the ideal gas and disregards combustion chemistry exhaust and…

Answered: An ideal Diesel cycle has a maximum…

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 diesel cycle has a compression ratio of 13 and a peak combustion temperature of 1681.55 C. If the heat rejected by the engine amounts to 3kW, determine the theoretical output power that can be produced by the engine.
An ideal diesel cycle powered by air has a compression ratio of 20. At the beginning of the compression process, the pressure of the air is 100 kPa, the temperature is 20°C, and it is desired that the highest temperature of the cycle should not exceed 2250 K. Show the cycle in the P-v diagram. Assume the specific heats are constant at room temperature. k=1.4 CP=1.005kJ/kgK CV=0.718 kJ/kgK R=0.287kJ/kgK a) Calculate the heat entering and leaving the cycle, the thermal efficiency of the cycle, b) Calculate the average effective pressure of the cycle.
In the ideal diesel cycle, the compression ratio is 19 and the shear rate is 2.4. The pressure of the air is 100 kPa at the beginning of the compression process, and the temperature is 420 °C at the end of the compression. If the highest temperature in the system is 1200 K and the specific heat change is considered constant, determine the heat given to the system. (Cp=1,005 kJ/kgK)
An ideal Brayton cycle has a pressure ratio of 7:1. The temperature of the air is 24 0C at the inlet to the compressor and 1,120 0C at the inlet to the turbine. Take Specific heat at constant pressure and constant volume for air as 1.006 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the work ratio of the plant to three decimal places.
A four-cylinder, two-stroke 2.4-L diesel engine that operates on an ideal Diesel cycle has a compression ratio of 22 and a cutoff ratio of 1.8. Use nitrogen as the working fluid which is at 70°C and 97 kPa at the beginning of the compression process. Determine how much power the engine will deliver at 4500 rpm. The properties of nitrogen at room temperature are cp=1.039 kJ/kg-K, cy= 0.743 kJ/kg-K, R= 0.2968 kJ/kg-K, and k=1.4. The power the engine will deliver is kW
A four-cylinder two-stroke 1.8-L diesel engine that operates on an ideal Diesel cycle has a compression ratio of 20 and a cutoff ratio of 1.7. Air is at 70°C and 97 kPa at the beginning of the compression process. Using the cold-air standard assumptions, determine how much power the engine will deliver at 2300 rpm and Plot the net work output, mean effective pressure, and thermal efficiency as a function of thecompression ratio.
2- An ideal Diesel cycle has a compression ratio of 15 and a cutoff ratio of 1.7. Determine the maximum air temperature and the rate of heat addition to this cycle when it produces 250 hp of power; the cycle is repeated 1300 times per minute; and the state of the air at the beginning of the compression is 100 kPa and 20°C. Use constant specific heats at room temperature.
In a 4-stroke ideal diesel cycle; The cylinder volume is 0.96 liters when the piston is in bottom dead center, and the cylinder volume is 0.06 liters when it is in top dead center. At the beginning of compression, the temperature is T1 = 336 K, P1 = 98 kPa. 1.64 kJ / cycle heat is released as a result of combustion. The mechanical efficiency of the 6-cylinder engine operating at n = 1860 rpm is m = 0.84. Since Cv = 716.5 J / kg K, Cp = 1003.5 J / kg K, R = 287.13 J / kg K; a) Thermodynamic values at the cycle points, b) Effective power of the engine.

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