Turbulent flows in a three-dimensional side-dump combustor under various side-inlet angles and head heights are presented in terms of the axial mean velocity,swirl intensity,size of the head recirculation zone,and fra...Turbulent flows in a three-dimensional side-dump combustor under various side-inlet angles and head heights are presented in terms of the axial mean velocity,swirl intensity,size of the head recirculation zone,and fraction of the inlet mass flow rate transported into the head region.The turbulence model adopted is the algebraic Reynolds stress(k-ε-A)model.The effect of the side-inlet angle and the head height on the characteristics of the confined impinging flows are documented and some improved explanations to the existence of the optimum inlet angle and head height are addressed in this study.展开更多
基金Support for this work was partially provided by the National Science Council of the Taiwan Authority under contract NSC-80-0401-E007-02
文摘Turbulent flows in a three-dimensional side-dump combustor under various side-inlet angles and head heights are presented in terms of the axial mean velocity,swirl intensity,size of the head recirculation zone,and fraction of the inlet mass flow rate transported into the head region.The turbulence model adopted is the algebraic Reynolds stress(k-ε-A)model.The effect of the side-inlet angle and the head height on the characteristics of the confined impinging flows are documented and some improved explanations to the existence of the optimum inlet angle and head height are addressed in this study.
