Article
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Experimental Flame Front Characterisation in a Lean Premix Burner Operating at Syngas
Version 1
: Received: 5 December 2018 / Approved: 10 December 2018 / Online: 10 December 2018 (16:08:20 CET)
How to cite: Canepa, E.; Nilberto, A. Experimental Flame Front Characterisation in a Lean Premix Burner Operating at Syngas. Preprints 2018, 2018120111. https://doi.org/10.20944/preprints201812.0111.v1 Canepa, E.; Nilberto, A. Experimental Flame Front Characterisation in a Lean Premix Burner Operating at Syngas. Preprints 2018, 2018120111. https://doi.org/10.20944/preprints201812.0111.v1
Abstract
Abstract: The recent growing attention to energy saving and environmental protection issues has brought to attention the possibility of exploiting syngas from gasification of biomass and coal for the firing of industrial plants included the so called Integrated Gasification Combined Cycle ones. In order to acquire a detailed knowledge about the behaviour of lean turbulent premixed flames, the present work resent the results of an experimental characterisation of a prototypical gas turbine burner operated at atmospheric pressure at condition scaled from real gas turbines ones. The results here presented derive from OH-PLIF measurements carried out at decreasing air equivalence ratio conditions and are analysed together with a mean aerodynamic characterisation of the burner operating in isothermal condition. The OH concentration distributions have been analysed statistically in order to obtain information about the location of the most reactive zones and an algorithm has been applied to the data sets in order to identify the flame fronts. In addition, the flame front locations have been successively interpreted statistically in order to obtain information about their main features and about their dependence on the air to fuel ratio behaviour.
Keywords
gas turbine burner; syngas lean premixed flames; OH-PLIF; flame front detection.
Subject
Engineering, Energy and Fuel Technology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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