Abstract No.:
5264

 Title:
Numerical analyzing the in-flight particle temperature and velocity in plasma spray

 Authors:
Renzhong Huang* / Guangdong Institute of New Materials, P.R. China
Wenhua Ma / Guangdong Industrial Analysis and Testing Center, China
Renzhong Huang/ Guangdong Institute of New Materials, China
Jian Huang/ Guangdong Institute of New Materials, China

 Abstract:
In-flight particle temperature and velocity is a very important factor that determines the deposition characteristics and coating quality in plasma spray. Therefore, It is useful for controlling the prepared coating quality to predict the in-flight particle temperature and velocity with spray conditions. In the present study, Three-dimension (3D) model was employed. The gas temperature and velocity profiles at the plasma torch exit obtained using the novel LTE model are employed as the boundary conditions in plasma jet simulations. A steady-state 3D model is used to calculate the gas flow field of the plasma jet. The in-flight particle trajectories, temperature, and velocity are investigated with numerical calculation. Also the in-flight particle temperature and velocity were verified by experimental results.

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