Simulation Of Thermal Barrier Coating
Behaviour During Dynamic Thermal Loading
By The Exodus Method
Author(s)
J. Sroub, M. Honner & Z. Vesely
Abstract
This paper deals with the application of the stochastic Exodus method in
simulation of the heat transfer processes in the multi-layer structure of thermal
barrier coating. A 2D computer simulation model of thermal barrier behaviour
during its dynamic thermal loading is presented. The Exodus stochastic
simulation method has been applied to solve the indirect thermal problem in
order to determine TBC surface temperature and heat flux from the temperatures
measured inside the sample. Comparison of the computer results with the result
of the thermography measurement is presented to show capabilities of the
simulation model.
Keywords: Exodus simulation method, computer modelling, thermal barrier
coatings, thermography measurement.
1 Introduction
Thermal barriers protect material of machine parts against high temperatures and
thermal shocks. Thermal barriers usually represent a heterogeneous multilayer
coating deposited on the surface of thermally loaded machine parts those
temperature should be decreased.
The Exodus method [1], which is a modification of the Monte Carlo method
[2], has been used, in order to determine the transient state distribution of barrier
dynamic behaviour during thermal shocks in this paper. From the physical point
of view, it concerns the problem of a non-stationary heat distribution in a
structured system involving several thin layers of thermal barrier [3] and
Keywords
Exodus simulation method, computer modelling, thermal barrier
coatings, thermography measurement.
Related Book
Other papers in this volume
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