A spark-ignited engine has a compression ratio of 8, an isentropic compression efficiency of 85%. At the beginning of the compression, the air in the cylinder is at 13 psia and 540 R. The maximum gas temperature is found to be 2400 R.
(a) Determine the energy transfer for each of the four components.
(b) Determine the thermodynamic efficiency.
(c) Determine the MEP.
(d) Compare the efficiency to the calorically perfect efficiency.