Effect of Insulations and Coatings on Hypersonic Heat Flux Reconstruction

What is it about?

We develop an algorithm to determine the heat flux from distributed temperature sensors that includes the contribution of insulation and coating in three-dimensional steel articles. The large ratio in thermal conductivity between the metal and the insulation creates three-dimensional pathways for the heat flow. We show how the complex underlying thermal field affects the heat flux in hypersonic wind-tunnel tests.

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