Experimental investigation of airflow distribution for a novel combustor mode

Article

Li, Qiong, Zhao, Mengmeng and Xing, Fei. 2013. "Experimental investigation of airflow distribution for a novel combustor mode." Applied Mechanics and Materials. 284-287, pp. 743-747. https://doi.org/10.4028/www.scientific.net/AMM.284-287.743
Article Title

Experimental investigation of airflow distribution for a novel combustor mode

ERA Journal ID124777
Article CategoryArticle
AuthorsLi, Qiong (Author), Zhao, Mengmeng (Author) and Xing, Fei (Author)
Journal TitleApplied Mechanics and Materials
Journal Citation284-287, pp. 743-747
Number of Pages5
Year2013
PublisherTrans Tech Publications
Place of PublicationSwitzerland
ISSN1660-9336
1662-7482
1662-7490
Digital Object Identifier (DOI)https://doi.org/10.4028/www.scientific.net/AMM.284-287.743
Web Address (URL)https://www.scientific.net/AMM.284-287.743
Abstract

This paper investigated the airflow distribution performance of the combustor which utilized trapped vortex in the cavity to improve the flame stability. Hole-filling method was used to study trapped vortex combustor airflow distribution at normal temperature and pressure condition. The influence of inlet velocity and mainstream flow-passage height were investigated. The results show that, inlet velocity hardly impacts the airflow distribution of trapped vortex combustor, but chamber height is a key parameter for airflow distribution. The size, number and opening area of the holes in trapped vortex combustor are important to airflow distribution, and increasing cavity back body air flow could bring well lean blowout limit. The research results may serve as a useful reference in further development and engineering application of trapped vortex combustor.

Keywordsgas turbine combustor; trapped vortex; airflow distribution; experiment
ANZSRC Field of Research 2020400106. Hypersonic propulsion and hypersonic aerothermodynamics
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Byline AffiliationsHuaqiao University, China
University of Queensland
Xiamen University, China
Institution of OriginUniversity of Southern Queensland
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