Future Fuels and Reactivity Controlled Compression Ignition (RCCI ...
Future Fuels and Reactivity Controlled Compression Ignition (RCCI ...
Future Fuels and Reactivity Controlled Compression Ignition (RCCI ...
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<strong>RCCI</strong> – provides high efficiency, low emissions<br />
HD engine gasoline/diesel<br />
<strong>RCCI</strong> gives near zero NOx<br />
<strong>and</strong> soot <strong>and</strong> peak gross<br />
thermal efficiency of 56%<br />
Pressure [bar]<br />
AHRR [J/deg]<br />
140<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
Experiment = Solid<br />
Simulation = Dash<br />
800 4.6 bar<br />
700<br />
600<br />
500<br />
400<br />
5.9 bar<br />
9.3 bar<br />
11.6 bar<br />
14.6 bar<br />
300<br />
200<br />
100<br />
0<br />
-20 -15 -10 -5 0 5 10 15 20 25 30<br />
Crank [°ATDC]<br />
Kokjohn et al. IJER 2011<br />
Hanson et al. SAE 2010-01-0864<br />
Splitter et al. THIESEL 2010<br />
NOx<br />
[g/kW-hr]<br />
Soot<br />
[g/kW-hr]<br />
Gross Ind.<br />
Efficiency [%]<br />
Ringing Int.<br />
[MW/m 2 ]<br />
1300 rev/min<br />
0.3<br />
0.2<br />
0.1<br />
0.0<br />
0.02<br />
0.01<br />
0.00<br />
56<br />
54<br />
52<br />
50<br />
48<br />
4<br />
2<br />
0<br />
2010 EPA HD Limit<br />
2010 EPA HD Limit<br />
Experiment<br />
Simulation<br />
4 6 8 10 12 14 16<br />
IMEPg [bar]<br />
28 ERC Symposium - <strong>Future</strong> Engines <strong>and</strong> Their <strong>Fuels</strong>
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