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Flashback avoidance in swirling flow burners

Vigueras-Zuniga, Marco Osvaldo, Valera Medina, Agustin, Syred, Nicholas and De La Rosa Urbalejo, Daniel 2014. Flashback avoidance in swirling flow burners. Ingenieria, Investigacion y Tecnoloigia 15 (4) , pp. 603-614. 10.1016/S1405-7743(14)70658-4

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Abstract

Lean premixed combustion using swirling flows is widely used in gas tur - bines and combustion. Although flashback is not generally a problem with natural gas combustion, there are some reports of flashback damage with existing gas turbines, whilst hydrogen enriched fuel blends cause concerns in this area. Thus, this paper describes a practical approach to study and avoid flashback in a pilot scale 100 kW tangential swirl burner. The flash - back phenomenon is studied experimentally via the derivation of flashback limits for a variety of different geometrical conditions. A high speed camera is used to visualize the process and distinguish new patterns of avoidance. The use of a central fuel injector is shown to give substantial benefits in terms of flashback resistance. Conclusions are drawn as to mitigation technologie

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: Universidad Nacional Autonoma de Mexico
ISSN: 1405-7743
Date of First Compliant Deposit: 30 March 2016
Last Modified: 28 Jun 2019 07:59
URI: http://orca.cf.ac.uk/id/eprint/64501

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