A computational methodology is proposed to describe the fluid transport in compressed open-celled metallic foams. Various unit-cell foam geometries are numerically deformed under uniaxial loads using a finite element method. An algorithm is developed and implemented to deform the fluid domain mesh inside the unit-cell foam based on the deformed solid unit-cell geometry. Direct simulations of the fluid transport in these deformed meshes are then performed over a range of Reynolds numbers used in practical applications. The model is validated against available experimental results and correlations. A corrected model is proposed for the permeability of compressed foams as a function of strain for flows transverse to the direction of compression. The thermal conductivity of fluid-saturated foams is also computed. Compression of foams increases the conductivity transverse to the direction of compression and decreases the conductivity parallel to it.
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ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
August 10–14, 2008
Jacksonville, Florida, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4847-0
PROCEEDINGS PAPER
Permeability and Thermal Transport in Compressed Open-Celled Foams
S. Ravi Annapragada,
S. Ravi Annapragada
Purdue University, West Lafayette, IN
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Jayathi Y. Murthy,
Jayathi Y. Murthy
Purdue University, West Lafayette, IN
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Suresh V. Garimella
Suresh V. Garimella
Purdue University, West Lafayette, IN
Search for other works by this author on:
S. Ravi Annapragada
Purdue University, West Lafayette, IN
Jayathi Y. Murthy
Purdue University, West Lafayette, IN
Suresh V. Garimella
Purdue University, West Lafayette, IN
Paper No:
HT2008-56375, pp. 475-484; 10 pages
Published Online:
July 7, 2009
Citation
Annapragada, SR, Murthy, JY, & Garimella, SV. "Permeability and Thermal Transport in Compressed Open-Celled Foams." Proceedings of the ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. Heat Transfer: Volume 1. Jacksonville, Florida, USA. August 10–14, 2008. pp. 475-484. ASME. https://doi.org/10.1115/HT2008-56375
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