Abstract
The validation of a numerical study for the coupled analysis of thermal protection systems and hot structures in interaction with a high-enthalpy hypersonic flowfield was carried out. The simulation of the thermal fluid-structure interaction on a ceramic flat-plate model was conducted by means of the DLR TAU code and of the commercial software ANSYS. The comparison with experimental results was achieved with tests in the high-enthalpy wind tunnel facility L3K in Cologne. The computations were shown to properly capture the temperature trend on the considered surface, but the temperature values were underpredicted. Further numerical investigations pointed out a partially catalytic behaviour of the ceramics at such temperature levels and a non-perfect thermal contact between structure parts.
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