Flow Field of a Model Gas Turbine Swirl Burner

Cheng Tung Chong; Simone Hochgreb

doi:10.4028/www.scientific.net/AMR.622-623.1119

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 622-623Flow Field of a Model Gas Turbine Swirl Burner

Flow Field of a Model Gas Turbine Swirl Burner

Abstract:

The flow field of a lab-scale model gas turbine swirl burner was characterised using particle imaging velocimetry (PIV) at atmospheric condition. The swirl burner consists of an axial swirler, a twin-fluid atomizer and a quartz tube as combustor wall. The main non-reacting swirling air flow without spray was compared to swirl flow with spray under unconfined and enclosed conditions. The introduction of liquid fuel spray changes the flow field of the main swirling air flow at the burner outlet where the radial velocity components are enhanced. Under reacting conditions, the enclosure generates a corner recirculation zone that intensifies the strength of the radial velocity. Comparison of the flow fields with a spray flame using diesel and palm biodiesel shows very similar flow fields. The flow field data can be used as validation target for swirl flame modelling.

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Periodical:

Advanced Materials Research (Volumes 622-623)

Pages:

1119-1124

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.622-623.1119

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Online since:

December 2012

Authors:

Cheng Tung Chong, Simone Hochgreb

Keywords:

Flow Field, Gas Turbine, Palm Biodiesel, PIV, Swirl Flame

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