Evaluation of Average Directional Effective Emissivities of Isothermal Cylindrical-inner-cone Cavitties Using Monte-Carlo Method

Minh Nguyen Quang, Binh Nguyen Van
Author affiliations

Authors

  • Minh Nguyen Quang Center for System Engineering and Integration (CSEI)
  • Binh Nguyen Van Center for System Engineering and Integration (CSEI)

DOI:

https://doi.org/10.15625/0868-3166/27/4/10677

Keywords:

blackbody, isothermal cavity, effective emissivity, specular-diffuse reflection model, Monte Carlo method, pseudo-random number, ray tracing.

Abstract

We have used the Monte Carlo method based on theory of successive reflections and ray tracing to calculate the average normal directional effective emissivities of isothermal cylindrical-inner-cone cavities for various geometrical parameters. A simplified specular-directional diffuse reflection model was applied in our calculations for cavities working in the infrared spectral range. Our results are in good agreement comparing with what obtained by other authors. The algorithm developed by us has an advantage in simplicity and time saving of calculations. It can be used in blackbody cavity design considerations, especially in the cylindrical-inner-cone cases.

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References

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Published

15-12-2017

How to Cite

[1]
M. Nguyen Quang and B. Nguyen Van, “Evaluation of Average Directional Effective Emissivities of Isothermal Cylindrical-inner-cone Cavitties Using Monte-Carlo Method”, Comm. Phys., vol. 27, no. 4, p. 357, Dec. 2017.

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Papers
Received 15-09-2017
Accepted 11-12-2017
Published 15-12-2017