Open AccessExperimental analysis on combustion characteristics of single layer porous media for various burner sizes
Author(s) -
N. C. Ismail,
M. Z. Abdullah,
Nurul Musfirah Mazlan
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/852/1/012085
Subject(s) - combustor , combustion , materials science , equivalence ratio , premixed flame , thermal , chemical engineering , analytical chemistry (journal) , chemistry , thermodynamics , chromatography , physics , engineering , organic chemistry
In this paper, the combustion characteristics of premixed butane-air combustion in three burners with different inner diameters (ID); i.e. 23mm, 31mm, and 44mm are investigated. Effect of the burner size can influence the effectiveness of the combustion of porous media with different equivalence ratios (φ). The present study is focused on a single layer of alumina foam (Al2O3) of burner with a thickness of 15mm. The experiment was run under rich (1.2< φ<2.0) combustion mode to investigate the thermal performance and flame temperature were recorded. All surface flame on top of the burner was captured using a thermal imaging camera. The results indicated the maximum average temperature of 826°C of the burner with ID = 31mm. Also, flame stability and thermal performance are better compared to other ID = 23mm and 44mm. Finally, the maximum thermal efficiency was calculated and found out to be 57%. The effects of some parameters on the feature of combustion in different size burners are also highlighted.