Abstract

A study of the transient one-dimensional ablation of a PTFE-layer heated by a constant heat flux at the surface and cooled by finite heat transfer at the back is performed using a previously presented analytical model. The influences of various parameters upon the course of ablation are investigated and some limiting cases are discussed. The numerical solution for the quasi-steady ablation is presented by graphs, which are also approximated by correlations for the computation of the coupled boundary layer and PTFE-ablator.

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