Computational Study of Heat Transfer in Honeycomb Structures Accounting for Gaseous Pore Filler |
| Journal |
Defect and Diffusion Forum (Volumes 273 - 276) |
| Volume |
Diffusion in Solids and Liquids III |
| Edited by |
Andreas Öchsner and Graeme E. Murch |
| Pages |
699-706 |
| DOI |
10.4028/www.scientific.net/DDF.273-276.699 |
| Online since |
February, 2008 |
| Authors |
Matej Vesenjak, Zoran Žunič, Zoran Ren, Andreas Öchsner |
| Keywords |
Cell Shape, Heat Conduction, Heat Convection, Honeycomb Structure, Pore Gas Influence |
| Abstract |
Thermal properties of honeycomb structures with different cell shapes are investigated in
this paper. The influence of cell shape, relative density and pore gases on the macroscopic
honeycomb thermal properties is investigated by means of transient dynamic computational
simulations. The ANSYS CFX code is used to evaluate the heat conduction trough the base material
and the filler gas, as well as the convection in gas filler. The computational results clearly show a
strong influence of the filler gas on heat conduction and macroscopic thermal properties of analyzed
honeycomb structures, which is attributed to low relative density of the cellular structure.
Additionally, the influence of considered relative densities is more prominent than the influence of
cell shape. The evaluated results are valuable for further development of homogenization models of
heat transfer in honeycomb structures accounting for gaseous pore fillers. |
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