Decomposition Analysis of an Automotive Powertrain Design ...

Table B.11: Air-fuel ratio schedule.
RPM 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000
p i
("Hg)
6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
8 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
10 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
12 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
14 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
16 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
18 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
20 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6
22 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 14.6 13.0 13.0 13.0
24 13.5 13.8 13.8 14.6 14.6 14.6 14.6 14.6 13.0 13.0 13.0 13.0
26 13.0 13.0 13.0 13.0 14.6 14.6 13.0 13.0 13.0 13.0 13.0 13.0
28 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0
29.4 12.4 12.4 12.4 12.4 12.4 12.5 12.4 12.5 12.6 13.0 13.0 13.0
Table B.12: Volumetric efficiency improvement in first iteration of subproblem.
Z- factor η v Initial η v Final
0.05290 0.7868 0.7868
0.07935 0.7606 0.7606
0.10578 0.7579 0.7579
0.13225 0.7643 0.7643
0.15869 0.7746 0.7740
0.18514 0.7842 0.7858
0.21159 0.7894 0.7925
0.23804 0.7909 0.7941
0.26449 0.7933 0.7999
0.29094 0.8024 0.8056
0.31739 0.8205 0.8128
0.34384 0.8308 0.8266
0.37029 0.8378 0.8373
0.39674 0.8456 0.8486
0.42318 0.8500 0.8557
0.44963 0.8487 0.8588
0.47608 0.8462 0.8606
0.50253 0.8445 0.8635
0.52898 0.8428 0.8664
0.55543 0.8318 0.8592
0.58188 0.8204 0.8517