Calculation and Study of the Integrated Emissivity of Cylindrical Cavity

Jian Hua Wang; Jin Tao Chen; Jing Hui Wang; Wen Tong Yang

doi:10.4028/www.scientific.net/AMM.148-149.1442

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 148-149Calculation and Study of the Integrated Emissivity...

Calculation and Study of the Integrated Emissivity of Cylindrical Cavity

Abstract:

In this paper, the integrated emissivity of isothermal cylindrical cavity is calculated based on ANSYS finite element method at different wall material emissivity and Cavity length, and are compared with the calculation results of the Monte Carlo method, the average absolute deviation is 0.00045. Meanwhile, this paper presents meshing rules of the cavity bottom surface and the cavity mouth surface, it proposes that the cavity mouth surface is regarded as the equivalent radiant surface, and calculates the integrated emissivity of different positions on the equivalent radiant surface, analyzes the influence of the wall material emissivity, cavity length, the position of radius direction.

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Periodical:

Applied Mechanics and Materials (Volumes 148-149)

Pages:

1442-1448

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.148-149.1442

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Online since:

December 2011

Authors:

Jian Hua Wang, Jin Tao Chen, Jing Hui Wang, Wen Tong Yang

Keywords:

ANSYS, Cylindrical Cavity, Integrated Emissivity, Meshing

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