Discuss the below:
Q: Simplified analysis of the processes occurring in a spark-ignition internal combustion engine is described by the cold air-standard Otto cycle. The processes in the compression ignition engine are described by the Diesel cycle. The purpose of this problem is to compare the Otto and Diesel cycle as a function of compression ratio.
a.) Calculate and plot the thermal efficiency and mean effective pressure for a cold air standard Otto cycle for compression ratios between 5 and 35 with a maximum cycle temperature of 2,500 K. Assume that the state of the air before compression is 300 K, 1 bar.
b.) Calculate and plot the thermal efficiency and mean effective pressure for a cold air standard Diesel cycle for compression ratios between 5 and 35 with a maximum cycle temperature of 2,500 K. Assume that the state of the air before compression is 300 K, 1 bar.
c.) What conclusions can you draw from your plots?