Modified dynamic viscosity formula for YSZ droplet solidification based on CEL method

Lihua Chen; Lutong Shan; Mengjiao Zhang; Haoqun Li

doi:10.1117/12.2634905

25 April 2022 Modified dynamic viscosity formula for YSZ droplet solidification based on CEL method

Lihua Chen, Lutong Shan, Mengjiao Zhang, Haoqun Li

Proceedings Volume 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022); 122441N (2022) https://doi.org/10.1117/12.2634905
Event: 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 2022, Guilin, China

Abstract

Based on Coupled Eulerian and Lagrangian (CEL) method, a modified dynamic viscosity formula varying with temperature is proposed for simulation of high temperature Yttria-Stabilized Zirconia (YSZ) droplet solidification process. The fluid structure coupling finite element model is established by using Lagrange element to describe the substrate and Euler element to describe the droplets. The numerical simulation shows the propagation morphology of droplets on the substrate and the variation of propagation coefficient with time. Compared with the experimental results, the model and the modified formula are reliable. This paper provides a theoretical basis for the application of high temperature plasma spraying to prepare thermal barrier coatings in engineering.

Citation Download Citation

Lihua Chen, Lutong Shan, Mengjiao Zhang, and Haoqun Li "Modified dynamic viscosity formula for YSZ droplet solidification based on CEL method", Proc. SPIE 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 122441N (25 April 2022); https://doi.org/10.1117/12.2634905

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