Sökning: onr:"swepub:oai:research.chalmers.se:e8242080-9fc0-4d95-99a7-95cffc9c2b9f" >
Structure and stabi...
Structure and stabilization mechanism of a stratified premixed low swirl flame
-
Nogenmyr, Karl-Johan (författare)
-
Petersson, Per (författare)
-
Bai, Xue-Song (författare)
-
visa fler...
-
Fureby, Christer (författare)
-
Collin, Robert (författare)
-
Lantz, Andreas (författare)
-
- Linne, Mark, 1952 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
Alden, Marcus (författare)
-
visa färre...
-
(creator_code:org_t)
- 2010
- 2010
- Engelska.
-
Ingår i: 33rd International Symposium on Combustion.
- Relaterad länk:
-
https://research.cha...
Abstract
Ämnesord
Stäng
- Simultaneous OH-, fuel- planar laser induced fluorescence (PLIF) and particle image velocimetry (PIV) measurements were performed in turbulent low-swirl stratified premixed flames. Acetone was used as a fuel tracer and seeded in to the lean premixed methane/air flow. A laser at 283 nm was used for both the fuel-, and OH-PLIF measurements. For PIV two Nd:YAG lasers operating at 532 nm were used. The combined PIV/PLIF images revealed e.g. the fuel distribution, entrainment of ambient air, mixing with the air/fuel stream and the resulting stratification in thetrailing edge of the flame. Furthermore, the combined PLIF images visualized the preheat layer (> 1000K) and flame front location. Pockets of unburnt reactants were occasionally detected above the local flame front as a result from the flame wrinkling and following flame pinching. From the simultaneous PIV data flame-flow interaction was investigated including the large-scale vortex structures continuously created in the outer shear layer and its influence on the flame stabilization.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)