Environmental Engineering Reference
In-Depth Information
Fig. 3 The combustor setup
ames. It
consists of a 200-mm-long quartz tube of inner diameter 60 mm and outer diameter
65 mm to allow optical access. The quartz tube is held between two grooved
The combustor is designed to provide optically accessible swirling
fl
fl
anges
by two long rods threaded to the
flanges. At the base of the combustor and near the
top, provisions were made for mounting pressure transducers and spark plug for
ignition. The lower
fl
flange of the
premixing section. Figure
3
shows the photographs of the experimental rig.
fl
flange of the combustor was fastened to the
fl
3 Results and Discussion
The experiments were conducted for different air
flow rates which give different
Reynolds nos. calculated at the exit of swirler section (see Table
1
). Five different
ports provided on the premixing tube are used for injecting the fuel and thereby
vary the premixing length (L
fuel
) available for fuel/air mixing. The arrangement
fl
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