Problem 6- Diesel cycle with irreversibility A diesel cycle is modeled with air. The compression ratio and cutoff ratio are 18 and 1.5, respectively. The adiabatic compression process has an isentropic efficiency equal to 90%, and the adiabatic expansion process has an isentropic efficiency equal to 95%. Using the method of the cold-air standard when at the start of the compression the pressure and temperature are 95 kPa and 17°C, respectively, please answer the following. Sketch the cycle on a P-v and T-s diagrams. Determine the maximum temperature of the air inside the cylinder. Compute the net work for one cycle in kJ/kg. Determine the heat supplied per until mass of air during the constant pressure process. Compute the thermal efficiency for the cycle. Now you want to estimate the amount of fuel consumption per cycle, in kg. Consider that the diesel fuel has a heating value equal to 42000 kJ/kg and the combustion efficiency is 92%.
Problem 6- Diesel cycle with irreversibility A diesel cycle is modeled with air. The compression ratio and cutoff ratio are 18 and 1.5, respectively. The adiabatic compression process has an isentropic efficiency equal to 90%, and the adiabatic expansion process has an isentropic efficiency equal to 95%. Using the method of the cold-air standard when at the start of the compression the pressure and temperature are 95 kPa and 17°C, respectively, please answer the following. Sketch the cycle on a P-v and T-s diagrams. Determine the maximum temperature of the air inside the cylinder. Compute the net work for one cycle in kJ/kg. Determine the heat supplied per until mass of air during the constant pressure process. Compute the thermal efficiency for the cycle. Now you want to estimate the amount of fuel consumption per cycle, in kg. Consider that the diesel fuel has a heating value equal to 42000 kJ/kg and the combustion efficiency is 92%.
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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