VECOM Low Temperature Combustion
VECOM Low Temperature Combustion
VECOM Low Temperature Combustion
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Engine Model<br />
GT Power used to simulate a 4 cylinder, 2.5L, current design engine:<br />
Bore/Stroke<br />
CR 12<br />
Intake Valves (2)<br />
IVO (0.1 mm lift)<br />
IVC (0.1 mm lift)<br />
Exhaust Valves (2)<br />
EVO (0.1 mm lift)<br />
EVC (0.1 mm lift)<br />
<strong>Combustion</strong><br />
90mm / 100 mm (4 cylinders, 2.5L)<br />
32.4 mm diameter / 10.8 mm lift<br />
12°BTDC gas exchange<br />
224°ATDC gas exchange<br />
26.1 mm diameter / 10.8 mm lift<br />
135°ATDC firing<br />
371°ATDC firing<br />
Wiebe profile<br />
Heat transfer Woschni 1<br />
Friction Chen-Flynn 2<br />
1) Woschni, G., 1967, “Equation for the Instantaneous Heat Transfer Coefficient in the Internal <strong>Combustion</strong> Engine”, SAE Paper 670931.<br />
2) Chen, S. K., Flynn, P. F., 1965, “Development of a Single Cylinder Compression Ignition Research Engine.” SAE Paper 650733.<br />
<strong>VECOM</strong> Workshop 24 Prague, March 14-15 2012
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