Numerical study of spallation phenomenon in an arc-jet environment

Raghava Davuluri; Alexandre Martin

doi:10.2514/6.2014-2249

Numerical study of spallation phenomenon in an arc-jet environment

Raghava Davuluri, Alexandre Martin

Mechanical and Aerospace Engineering

Research output: Contribution to conference › Paper › peer-review

4 Scopus citations

Abstract

The spallation phenomenon might affect the aerodynamic heating rates of re-entry vehicles. 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 CFD solver that models the hypersonic flow field around an ablative sample. Spalled particles behavior is numerically studied for argon and air flow field. The chemistry model is compared with that of Park's model which complies with oxidation and sublimation and shows disagreement for nitridation.

Original language	English
DOIs	https://doi.org/10.2514/6.2014-2249
State	Published - Jun 16 2014
Event	AIAA AVIATION 2014 -11th AIAA/ASME Joint Thermophysics and Heat Transfer Conference 2014 - Atlanta, GA, United States Duration: Jun 16 2014 → Jun 20 2014

Conference

Conference	AIAA AVIATION 2014 -11th AIAA/ASME Joint Thermophysics and Heat Transfer Conference 2014
Country/Territory	United States
City	Atlanta, GA
Period	6/16/14 → 6/20/14

ASJC Scopus subject areas

Aerospace Engineering
Mechanical Engineering

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10.2514/6.2014-2249

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abstract = "The spallation phenomenon might affect the aerodynamic heating rates of re-entry vehicles. 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 CFD solver that models the hypersonic flow field around an ablative sample. Spalled particles behavior is numerically studied for argon and air flow field. The chemistry model is compared with that of Park's model which complies with oxidation and sublimation and shows disagreement for nitridation.",

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year = "2014",

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AU - Davuluri, Raghava

AU - Martin, Alexandre

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N2 - The spallation phenomenon might affect the aerodynamic heating rates of re-entry vehicles. 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 CFD solver that models the hypersonic flow field around an ablative sample. Spalled particles behavior is numerically studied for argon and air flow field. The chemistry model is compared with that of Park's model which complies with oxidation and sublimation and shows disagreement for nitridation.

AB - The spallation phenomenon might affect the aerodynamic heating rates of re-entry vehicles. 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 CFD solver that models the hypersonic flow field around an ablative sample. Spalled particles behavior is numerically studied for argon and air flow field. The chemistry model is compared with that of Park's model which complies with oxidation and sublimation and shows disagreement for nitridation.

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M3 - Paper

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T2 - AIAA AVIATION 2014 -11th AIAA/ASME Joint Thermophysics and Heat Transfer Conference 2014

Y2 - 16 June 2014 through 20 June 2014

ER -

Numerical study of spallation phenomenon in an arc-jet environment

Abstract

Conference

ASJC Scopus subject areas

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