Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20194
Title: Thermal characteristics of a premixed impinging circular laminar-flame jet with induced swirl
Authors: Huang, XQ
Leung, CW 
Chan, CK 
Probert, SD
Keywords: Impinging circular flame jet
Induced swirl
Premixed air/butane combustion
Thermal characteristics
Issue Date: 2006
Publisher: Pergamon Press
Source: Applied energy, 2006, v. 83, no. 4, p. 401-411 How to cite?
Journal: Applied energy 
Abstract: A swirling flow has been induced in a premixed gas-fired impinging circular flame jet by adding two tangential air flows to the main axial air/fuel flow. The flame jet system was considered to be small-scale and operated under low-pressure, laminar flow conditions. The effects of Reynolds number of the air/butane mixture and nozzle-to-plate distance on the heating performance of the flame were studied and compared with the heat-flux distributions on an impingement plate under different operating conditions. The whole investigation was conducted under the stoichiometric air/fuel condition (i.e., equivalence ratio, Φ = 1) with the Reynolds number being varied from 800 to 1700, and nozzle-to-plate distance being selected between 1.5 and 4.0. The introduction of swirl to small-scale, low-pressure, laminar premixed gas-fired impinging circular flame jets is the method for enhancing their thermal performances. The heat-flux distribution on the impingement plate was more uniform and the flame temperatures essentially higher when compared with a similar flame jet system without induced swirl.
URI: http://hdl.handle.net/10397/20194
ISSN: 0306-2619
EISSN: 1872-9118
DOI: 10.1016/j.apenergy.2005.04.001
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