A Study on Influence of Swirl Angle of Burner Port on Behavior of Heat Transfer to a Vessel of High-pressure Cooking Stove by Computational Fluid Dynamics
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Abstract
The objective of this research is to study the combustion characteristic of a low-pressure vertical port burner using computational fluid dynamics (CFD). The simulation model was created using Fluent 6.3 in 3D-model of the same size of the burner. The CFD results were verified by measuring the temperature around the burner head and a vessel. Moreover, the results of conventional vertical port burner, having the swirl angle of 90o and the inclination angle of 90o (CB-S90I90) and two swirl port burners (SB), being SB-S90I13 and SB-S30I90, were compared. The temperatures obtained from CFD and experiments were similar, which the error was less than 9%. From the CFD’s results, the temperature and heat flux of the SB-S90I13 burner were higher than those of the CB-S90I90 burner. The maximum temperature and heat flux of SB-S90I13 burner were 1,445 K and 5,291 W/m2, respectively. It was implied that the combustion characteristic and heat transfer to the vessel of SB-S90I13 burner was better than that of CB-S90I90 burner. It was resulted that the thermal efficiency of SB-S90I13 burner was better than that of CB-S90I90 burner, which was the percentage energy saving of 6.93%.
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