Fundamental research

Development of detailed models for ablative materials

Space vehicles are protected by ablative heat shields for hypersonic atmospheric entry. Ablative materials mitigate the incoming heat through phase changes, chemical reactions and material removal. Due to the complexity of the phenomena, simplified material response models are established and calibrated using available data. PATO was originally implemented to test and validate detailed porous reactive material response models with the end goal of better informing margin policies for design. The simulation capabilities can of course be used to support fundamental model developments for other porous reactive material applications, like biomass pyrolysis.

Reference : A generic local thermal equilibrium model for porous reactive materials submitted to high temperatures. J. Lachaud, J. B. Scoggins, T. E. Magin, M. G. Meyer, N. N. Mansour. International Journal of Heat and Mass Transfer. 108 : 1406-1417, 2017.
doi: 10.1016/j.ijheatmasstransfer.2016.11.067  Preprint

Contact : jean.lachaud@c-la-vie.org