27.12.2013 Views

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

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

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

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Chapter 4<br />

behaviour of the curves radius-time shows that that the stretch rate has low effect in<br />

the syngas-air mixtures.<br />

25<br />

20<br />

Radius (mm)<br />

15<br />

10<br />

5<br />

φ<br />

0.6<br />

0.8<br />

1.0<br />

1.2<br />

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

Radius (mm)<br />

25<br />

20<br />

15<br />

10<br />

5<br />

0<br />

0<br />

25<br />

0 5 10 15 20<br />

Time (ms)<br />

(a)<br />

0.6<br />

0.8<br />

1.0<br />

1.2<br />

0 5 10 15 20<br />

Time (ms)<br />

(b)<br />

φ<br />

20<br />

Radius (mm)<br />

15<br />

10<br />

5<br />

0<br />

0.8<br />

1.0<br />

0 5 10 15 20<br />

Time (ms)<br />

(c)<br />

φ<br />

Figure 4.16 – F<strong>la</strong>me radius versus time for syngas-air mixtures at various equivalence ratios<br />

and 1.0 bar. (a) Updtraft. (b) Downdraft (c) Fluidized bed.<br />

101

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!