Numerical modelling of thermal spray systems

Abstract: "The purpose of this paper is to present a brief overview of the MD* thermal spray process, review the current existing models of heat transfer and fluid mechanics relevant to this process, outline a simplified thermal model implemented together with the results, and discuss the activities required for the implementation and verification of an accurate temperature model of the MD* thermal spray process. The termal model involves a mixed Lagrangian/explicit Eulerian algorithm to track the solidification for the time-dependent, one-dimensional heat equation. The effect of operating parameters (droplet/substrate temperatures, droplet size, etc.) on temperature distribution and remelting thickness is predicted. Furthermore, the motivation behind the desire for accurate spray temperature prediction of the ongoing Navigator project will be discussed."