Numerical simulation of fouling deposition in boundary layer of corrugated tube

3rd International Conference on New Material and Chemical Industry

材料科学;化学工业

Zheng, Y.Y.^1 ; Ye, Y.J.^1 ; Xie, C.Y.^2 ; Zheng, K.^1 ; Yu, Y.P.^1

Special Equipment Safety Supervision Inspection Institute of Jiangsu Province, China^1

School of Energy Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu, China^2

关键词: Corrugated tubes;    Deposition conditions;    Flow parameters;    Fouling depositions;    Inlet velocity;    Numerical simulation method;    Particulate fouling;    Radial velocity;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/479/1/012019/pdf
DOI  :  10.1088/1757-899X/479/1/012019

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

A compared study on deposition condition in corrugated tube predicates that flow parameters (inlet velocity and mass flow rate of particles) influence fouling deposition with numerical simulation method. The particulate fouling of calcium carbonate/water is selected as medium. The results show that: in the boundary layer of the corrugated tube, as radial velocity changes rapidly, the particles effected by dominate drag force descend to accretion. The effect of inlet velocity and concentration of particles are decisive. As the inlet velocity increases, the accretion rate occur negative changes. In contrast, the effect of concentration is positive.