Effective radiative properties of a cylinder array

Chongshan Zhang, Abraham Kribus*, Rami Ben-Zvi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Fully anisotropic problems are found where the radiative interaction is due to small-scale elements that lack spherical symmetry, for example: fibrous insulation, finned heat sinks, plant canopies, and some solar energy absorbers. We present the effective bulk optical properties of a PM composed of small-scale opaque cylinders. The properties are derived from data generated by detailed Monte-Carlo numerical experiments. The data reduction procedure is relatively simple and does not require a full solution and optimization of the Radiative Transfer Equation. Benchmark cases are presented, comparing an exact solution (with geometric detail of the cylinder array) and an approximate solution using a continuous PM model with the effective volumetric properties.

Original languageEnglish
Pages (from-to)198-200
Number of pages3
JournalJournal of Heat Transfer
Issue number1
StatePublished - Feb 2002
Externally publishedYes


  • Cylinder
  • Heat transfer
  • Modeling
  • Numerical methods
  • Properties
  • Radiation


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