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Etude de la combustion de gaz de synthèse issus d'un processus de ...

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Experimental study of engine-like turbulent <strong>combustion</strong><br />

20<br />

500<br />

Velocity (m/s)<br />

15<br />

10<br />

5<br />

400<br />

300<br />

200<br />

100<br />

Piston position (mm)<br />

0<br />

0<br />

90 100 110 120 130 140 150 160 170 180 190 200<br />

Time (ms)<br />

(a)<br />

20<br />

500<br />

tel-00623090, version 1 - 13 Sep 2011<br />

Velocity (m/s)<br />

Velocity (m/s)<br />

400<br />

15<br />

300<br />

10<br />

200<br />

5<br />

100<br />

0<br />

0<br />

90 100 110 120 130 140 150 160 170 180 190 200<br />

Time (ms)<br />

(b)<br />

20<br />

15<br />

500<br />

400<br />

300<br />

10<br />

200<br />

5<br />

100<br />

0<br />

0<br />

90 100 110 120 130 140 150 160 170 180 190 200<br />

20<br />

Time (ms)<br />

(c)<br />

500<br />

Piston position (mm)<br />

Piston position (mm)<br />

Velocity (m/s)<br />

15<br />

10<br />

5<br />

400<br />

300<br />

200<br />

100<br />

Piston position (mm)<br />

0<br />

0<br />

90 100 110 120 130 140 150 160 170 180 190 200<br />

Time (ms)<br />

(d)<br />

Figure 5.15 - Piston velocity: (a) Without <strong>combustion</strong>. (b) 5 ms BTDC. (c) 7.5 ms BTDC. (d) 12.5<br />

ms BTDC<br />

154

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