The present work is aimed to evaluate the effective thermal conductivity of an ablative composite material in the state of virgin material and in three paths of degradation. The composite material is undergoing ablation with formation of void pores or char and void pores. The one dimensional effective thermal conductivity is evaluated theoretically by the solution of heat conduction under two assumptions, i.e. parallel isotherms and parallel heat fluxes. The paper presents the theoretical model applied to an elementary cubic cell of the composite material which is made of two crossed fibres and a matrix. A numerical simulation is carried out to compare the numerical results with the theoretical ones for different values of the filler volume fraction.

Gori, F., Corasaniti, S., Worek, W., Minkowycz, W. (2012). Theoretical prediction of thermal conductivity for thermal protection systems. APPLIED THERMAL ENGINEERING, 49, 124-130 [doi:10.1016/j.applthermaleng.2011.07.012].

Theoretical prediction of thermal conductivity for thermal protection systems

GORI, FABIO;CORASANITI, SANDRA;
2012-01-01

Abstract

The present work is aimed to evaluate the effective thermal conductivity of an ablative composite material in the state of virgin material and in three paths of degradation. The composite material is undergoing ablation with formation of void pores or char and void pores. The one dimensional effective thermal conductivity is evaluated theoretically by the solution of heat conduction under two assumptions, i.e. parallel isotherms and parallel heat fluxes. The paper presents the theoretical model applied to an elementary cubic cell of the composite material which is made of two crossed fibres and a matrix. A numerical simulation is carried out to compare the numerical results with the theoretical ones for different values of the filler volume fraction.
2012
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore ING-IND/10 - FISICA TECNICA INDUSTRIALE
English
Con Impact Factor ISI
Cubic cell model; Thermal protection; Thermal conductivity; Theoretical prediction; Numerical solution
Gori, F., Corasaniti, S., Worek, W., Minkowycz, W. (2012). Theoretical prediction of thermal conductivity for thermal protection systems. APPLIED THERMAL ENGINEERING, 49, 124-130 [doi:10.1016/j.applthermaleng.2011.07.012].
Gori, F; Corasaniti, S; Worek, W; Minkowycz, W
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/51642
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