Evaluation of a Semiempirical, Zero-Dimensional, Multizone Model to Predict Nitric Oxide Emissions in DI Diesel Engines’ Combustion Chamber

Table 1

Engine data.

	Engine A	Engine B
Number of cylinders	6	4
Bore [mm]	102	88
Stroke [mm]	130	88.4
Connecting rod length [mm]	215	149
Compression ratio	18.5	18.0
Displacement volume [lt]	6.37	2.15
Maximum brake power output	205 kW@; 2300 rpm	92 kW@; 4200 rpm
Inlet valve close [°CA ATDC]	−171	−123
Exhaust valve open [°CA ATDC]	121	135