A highly efficient combustion chamber is always desired for high performance from jet engines/rocket engines.This paper presents the novel numerical analysis method for optimizing the combustion characteristics of met...A highly efficient combustion chamber is always desired for high performance from jet engines/rocket engines.This paper presents the novel numerical analysis method for optimizing the combustion characteristics of methane(CH_(4))in an annular combustion chamber,achieving a maximum exit velocity nearly Mach 5.The velocity achieved is 1650 m/s,which is approximately 5 times of Mach number.The dimension of combustion chamber,length is 100 mm,diameter is 60 mm.Pre-combustion and post-combustion chamber length is 30 mm and 45 mm respectively.The port diameter is 16.5 mm and 4 injectors are used in this case.The main purpose of this paper is to investigate the optimize the combustion of solid fuel and air and justify the numerical model by using a 3D RANS simulation.展开更多
文摘A highly efficient combustion chamber is always desired for high performance from jet engines/rocket engines.This paper presents the novel numerical analysis method for optimizing the combustion characteristics of methane(CH_(4))in an annular combustion chamber,achieving a maximum exit velocity nearly Mach 5.The velocity achieved is 1650 m/s,which is approximately 5 times of Mach number.The dimension of combustion chamber,length is 100 mm,diameter is 60 mm.Pre-combustion and post-combustion chamber length is 30 mm and 45 mm respectively.The port diameter is 16.5 mm and 4 injectors are used in this case.The main purpose of this paper is to investigate the optimize the combustion of solid fuel and air and justify the numerical model by using a 3D RANS simulation.