Decomposition Analysis of an Automotive Powertrain Design ...

Index Variable Partition Description
78 c r 1 Compression ratio
79 d i 1 Intake valve diameter
80 d e 1 Exhaust valve diameter
81 n v 1 Number of valves
82 n c 1 Number of cylinders
83 i vo 1 Intake valve opening timing
84 i vc 1 Intake valve closing timing
85 e vo 1 Exhaust valve opening timing
86 e vc 1 Exhaust valve closing timing
87 i lift 1 Intake valve maximum lift
88 e lift 1 Exhaust valve maximum lift
89 C stiff 1 Valvetrain stiffness factor
90 d br 1 Diameter of rod bearing diameter
91 l br 1 Width of rod bearing
92 d bm 1 Diameter of main bearing
93 l bm 1 Width of main bearing
94 n bm 1 Number of main bearings
95 C s 1 Induction system discharge coefficient
96 C m 1 Manifold discharge coefficient
97 C p 1 Port discharge coefficient
98 L mi 1 Intake manifold runner length
99 D mi 1 Intake manifold runner diamter
100 L me 1 Exhaust manifold runner length
101 D me 1 Exhaust manifold runner diameter
102 R egr 1 Exhaust gas recirculation
103 R af 1 Air-fuel ratio
104 T acc 2 Accessory torque
105 T m 1 Temperature of charge in intake manifold
106 Z 1 Mach index
107 dp t 1 Tuning pressure
108 p it 1 Tuning manifold pressure
109 P imep 1 Indicated mean effective pressure
110 P fmep 1 Total friction mean effective pressure
111 P fpu 1 Pumping mean effective pressure
112 P fpr 1 Piston-ring interface friction mean effective pressure
113 P fmb 1 Main bearing frcition mean effective pressure
114 P fvt 1 Valvetrain friction mean effective pressure
115 P foil 1 Oil pump friction mean effective pressure
116 P fh2o 1 Water pump friction mean effective pressure
117 v type 1 Valve train type
118 P bmep 1 Brake mean effective pressure
119 R resf 1 Total residual fraction in engine