Heat transfer of a row of three butane/air flame jets impinging on a flat plate

Heat transfer characteristics of an array of impinging pre-mixed slot flame jets

“…The optimal jet-to-jet spacing corresponding to the highest area-averaged heat flux for the jet array under consideration was observed to be 2.5 at Re = 1000, / = 1 and H/d e = 2. According to the AuthorsÕ previous studies [26,27,30,31], thermal characteristics of impinging jet varies with Reynolds number, equivalence ratio and nozzle-to-plate distance rather significantly. It is therefore very reasonable to expect that the optimal jet-tojet spacing would be varied with Re, / and H/d e .…”

“…However, such flame feature was not observed at higher H/d e and became more obvious at the smallest H/d e ratio of 2 and the largest s/d e ratio of 3. At s/d e = 3, the larger spacing between the adjacent flame jets allowed their outer layers to spread into the interacting zone and flow downwards upon impingement with each other, resulting in the ''W-shaped'' outer flame layer [30].…”

Emission of impinging swirling and non-swirling inverse diffusion flames

“…The heat transfer behaviors of a slot impinging premixed flame have been investigated by Dong et al [8]. They also extended their investigations to an array of two and three impinging premixed flames [9,10]. Huang et al [11] examined the heat transfer characteristics of an impinging premixed flame with induced swirl.…”

Temperature-field measurements of a premixed butane/air circular impinging-flame using reference-beam interferometry

“…Therefore, the heat-transfer mechanisms between the flame and the impingement surface have attracted increasing research interest in recent years. The effects of the major operational parameters, including nozzle configuration, Reynolds number and equivalence ratio of the air/fuel jet, as well as the nozzle-to-plate distance, on the thermal performance of the impinging flame jet have been explored [1][2][3][4][5][6][7].…”