☆ 4.3 Article

Uncertainty in Modeling Ablation Heat Transfer in Rocket Nozzles

JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER (2023)

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Article Thermodynamics

Multidimensional Modeling of Ablation Heat Transfer

Mark E. Ewing et al.

Summary: This paper describes the multidimensional modeling of ablation heat transfer in rocket motor nozzles using ablative insulation materials. The paper discusses the phenomenology, presents detailed math models, and describes a finite element solution strategy. It also explains the implementation of a computer program called Hero and its parallel processing capability. The validation results show a trend towards a slight overprediction of char depth and provide quantification of modeling uncertainty.

JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER (2023)

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Article Engineering, Aerospace