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HYCOM-HC 027

Experiment ID HYCOM-HC027
Short Description Combustion experiments have been carried out in nonuniform obstructed tube of 12.4 m long combined of two parts with diameter of 174 and 520 mm i.d. (Configuration 3). Obstacles spaced by tube diameter. Diameter / Obstruction (BR) for Part 1: 174 mm / 0.3, for Part 2: 520 mm / 0.6. Sonic combustion of uniform test mixture with 13% of H2 in air was investigated Ignition point is I1 (Part 1).
What phenomena were studied Effect of tube diameter change (flame propagating from less to higher tube size)

Effect of blockage ratio changes (flame propagating to the area with lower degree of obstruction)

What phenomena / effects can be studied Flame propagation in the presence of nonuniform geometry.
Instrumentation Measurements include 6 piezoresistive transducers and 16 collimated germanium photodiodes. Time resolution of 10 µs. The photodiodes were not calibrated, and they provided flame radiation intensity qualitatively.
Test variables Tube diameter, blockage ratio
Data description / Data completeness All pressure and photo-diode recordings in digital form
Data availability Publicly accessible
Source of data / Reference Technical Report: EU Project HYCOM, 2004 (to be published)
Why were chosen Very well instrumented, complete description, by the moment no similar results elsewhere are available
Relevance to the project purposes Can address separate phenomena, which are of primary interest for the project purposes
Experimental data
Results of simulations
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Page last modified on December 19, 2008, at 12:29 PM