PV diagram of otto cycle and its thermal efficiency with change in compression ratio

Objective: # 1.PV diagram of otto cycle close all clear allclc%inputgamma = 1.4t3 = 2300 %state variablesp1 = 101325t1 = 500 %engine varibles bore = 0.1;stroke = 0.1;con_rod = 0.15;cr = 12;%calculate the swept volume and clearence volumev_swept = (pi/4)*bore^2*strokev_clearence = v_swept/(cr-1) v1 = v_swept+v_clearence;v2 = v_clearence;…