The liquid mixing behavior was investigated by pulse tracing injection in a column containing Mellapak 250Y structured packing.A one-dimensional model and a two─dimensional model were used to describe the liquid mixi...The liquid mixing behavior was investigated by pulse tracing injection in a column containing Mellapak 250Y structured packing.A one-dimensional model and a two─dimensional model were used to describe the liquid mixing process.The axial and radial eddy diffusion coefficients were obtained using optimization method.Correlation equations for both axial and radial eddy diffusion coefficients were obtained.展开更多
In this paper,the cell face velocities in the discretization of the continuity equation,the momentum equation,and the scalar equation of a non-staggered grid system are calculated and discussed.Both the momentum inter...In this paper,the cell face velocities in the discretization of the continuity equation,the momentum equation,and the scalar equation of a non-staggered grid system are calculated and discussed.Both the momentum interpolation and the linear interpolation are adopted to evaluate the coefficients in the discretized momentum and scalar equations.Their performances are compared.When the linear interpolation is used to calculate the coefficients,the mass residual term in the coefficients must be dropped to maintain the accuracy and convergence rate of the solution.展开更多
文摘The liquid mixing behavior was investigated by pulse tracing injection in a column containing Mellapak 250Y structured packing.A one-dimensional model and a two─dimensional model were used to describe the liquid mixing process.The axial and radial eddy diffusion coefficients were obtained using optimization method.Correlation equations for both axial and radial eddy diffusion coefficients were obtained.
基金Project supported by the National Natural Science Foundation of China (Nos. 51176204 and 51134006)
文摘In this paper,the cell face velocities in the discretization of the continuity equation,the momentum equation,and the scalar equation of a non-staggered grid system are calculated and discussed.Both the momentum interpolation and the linear interpolation are adopted to evaluate the coefficients in the discretized momentum and scalar equations.Their performances are compared.When the linear interpolation is used to calculate the coefficients,the mass residual term in the coefficients must be dropped to maintain the accuracy and convergence rate of the solution.
基金国家自然科学基金资助项目(No.51576210)中国石油大学(北京)科研基金(No.2462015BJB03+2 种基金No.C201602)北京市高水平创新团队建设计划项目(No.IDHT20170507)King Abdullah University of Science and Technology(KAUST) grant BAS/1/1351-01-01
基金国家自然科学基金资助项目(No.51576210No.51325603)+2 种基金中国石油大学(北京)科研基金资助项目(No.2462015BJB03No.2462015YQ0409)King Abdullah University of Science and Technology(KAUST)grant BAS/1/1351-01-01