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A numerical oxidation model for SiC‐coated thermal protection systems in hypersonic applications.

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Title: A numerical oxidation model for SiC‐coated thermal protection systems in hypersonic applications.
Authors: Le Maout, Vincent1 (AUTHOR), Yang, Yosheph2 (AUTHOR), You, Hojun1 (AUTHOR), Kim, Jae Gang1 (AUTHOR) jaegkim@sejong.ac.kr
Source: Journal of the American Ceramic Society. Nov2024, Vol. 107 Issue 11, p7237-7252. 16p.
Subjects: Ablative materials, Gibbs' free energy, Porous materials, Surface chemistry, Materials analysis
Abstract: Silicon carbide (SiC) is a widely used component for thermal protection system (TPS) design. This material is often used either as a coating layer to protect beneath carbon‐based material against oxidation or as a ceramic matrix for composite materials used in the hypersonic leading edges. A numerical equilibrium model for SiC‐coated material ablation is developed in this study to compute the material response of coated TPS in hypersonic relevant aerothermal environment. The developed model is based on an equilibrium approach similar to the carbon graphite oxidation framework for ablative charring materials. The equilibrium wall composition is calculated based on the minimization of the Gibbs free energy. The proposed method can capture numerically the transition from passive to active oxidation while maintaining a low computational cost and good numerical stability. Implementation of the model in the Porous Material Analysis Toolbox based on OpenFOAM code permits to compare against previous literature test cases. By comparing the surface temperature obtained from the model with the experimental data, it is observed that the numerical model gives a good estimation providing accurate surface temperature prediction. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A numerical oxidation model for SiC‐coated thermal protection systems in hypersonic applications.
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  Data: <searchLink fieldCode="AR" term="%22Le+Maout%2C+Vincent%22">Le Maout, Vincent</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Yosheph%22">Yang, Yosheph</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22You%2C+Hojun%22">You, Hojun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+Jae+Gang%22">Kim, Jae Gang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jaegkim@sejong.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Ceramic+Society%22">Journal of the American Ceramic Society</searchLink>. Nov2024, Vol. 107 Issue 11, p7237-7252. 16p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Ablative+materials%22">Ablative materials</searchLink><br /><searchLink fieldCode="DE" term="%22Gibbs'+free+energy%22">Gibbs' free energy</searchLink><br /><searchLink fieldCode="DE" term="%22Porous+materials%22">Porous materials</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+chemistry%22">Surface chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Materials+analysis%22">Materials analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Silicon carbide (SiC) is a widely used component for thermal protection system (TPS) design. This material is often used either as a coating layer to protect beneath carbon‐based material against oxidation or as a ceramic matrix for composite materials used in the hypersonic leading edges. A numerical equilibrium model for SiC‐coated material ablation is developed in this study to compute the material response of coated TPS in hypersonic relevant aerothermal environment. The developed model is based on an equilibrium approach similar to the carbon graphite oxidation framework for ablative charring materials. The equilibrium wall composition is calculated based on the minimization of the Gibbs free energy. The proposed method can capture numerically the transition from passive to active oxidation while maintaining a low computational cost and good numerical stability. Implementation of the model in the Porous Material Analysis Toolbox based on OpenFOAM code permits to compare against previous literature test cases. By comparing the surface temperature obtained from the model with the experimental data, it is observed that the numerical model gives a good estimation providing accurate surface temperature prediction. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1111/jace.19980
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 7237
    Subjects:
      – SubjectFull: Ablative materials
        Type: general
      – SubjectFull: Gibbs' free energy
        Type: general
      – SubjectFull: Porous materials
        Type: general
      – SubjectFull: Surface chemistry
        Type: general
      – SubjectFull: Materials analysis
        Type: general
    Titles:
      – TitleFull: A numerical oxidation model for SiC‐coated thermal protection systems in hypersonic applications.
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            NameFull: Yang, Yosheph
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            NameFull: You, Hojun
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            NameFull: Kim, Jae Gang
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          Dates:
            – D: 01
              M: 11
              Text: Nov2024
              Type: published
              Y: 2024
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              Value: 107
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            – TitleFull: Journal of the American Ceramic Society
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