Numerical study of spallation phenomenon in an arc-jet environment

Raghava S.C. Davuluri; Huaibao Zhang; Alexandre Martin

doi:10.2514/1.T4586

Numerical study of spallation phenomenon in an arc-jet environment

Raghava S.C. Davuluri, Huaibao Zhang, Alexandre Martin

Research output: Contribution to journal › Article › peer-review

68 Scopus citations

Abstract

It is hypothesized that spallation could affect the aerodynamic heating rates of reentry vehicles using ablative heat shields. To investigate spallation effects, a code is developed to compute the dynamics of spalled particles. The code uses a finite-rate chemistry model to study the chemical interactions of the particles with the flow field. The spallation code is one-way coupled to a computational fluid dynamics solver that models the hypersonic flow field around an ablative sample. Spalled particle behavior is numerically studied in both argon and air flow fields.

Original language	English
Pages (from-to)	32-41
Number of pages	10
Journal	Journal of Thermophysics and Heat Transfer
Volume	30
Issue number	1
DOIs	https://doi.org/10.2514/1.T4586
State	Published - 2016

ASJC Scopus subject areas

Condensed Matter Physics
Aerospace Engineering
Mechanical Engineering
Fluid Flow and Transfer Processes
Space and Planetary Science

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AB - It is hypothesized that spallation could affect the aerodynamic heating rates of reentry vehicles using ablative heat shields. To investigate spallation effects, a code is developed to compute the dynamics of spalled particles. The code uses a finite-rate chemistry model to study the chemical interactions of the particles with the flow field. The spallation code is one-way coupled to a computational fluid dynamics solver that models the hypersonic flow field around an ablative sample. Spalled particle behavior is numerically studied in both argon and air flow fields.

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Numerical study of spallation phenomenon in an arc-jet environment

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