Thermal characterization of porous carbon foam-convection in parallel flow

A. G. Straatman; N. C. Gallego; B. E. Thompson; H. Hangan

doi:10.1016/j.ijheatmasstransfer.2005.11.028

Thermal characterization of porous carbon foam-convection in parallel flow

A. G. Straatman, N. C. Gallego, B. E. Thompson, H. Hangan

Nanomaterials Chemistry Group

Research output: Contribution to journal › Article › peer-review

64 Scopus citations

Abstract

Experiments are presented to quantify the convective heat transfer that is obtained by passing parallel airflow over a layer of porous carbon foam bonded onto a solid substrate. The increase in heat transfer is shown to be inversely proportional to Reynolds number and decreased from about 28-10% over the Reynolds number range 150,000-500,000. The heat transfer is independent of the effective conductivity over the range of conditions tested herein, and is independent of thickness for carbon-foam layers of thickness greater than 3 mm.

Original language	English
Pages (from-to)	1991-1998
Number of pages	8
Journal	International Journal of Heat and Mass Transfer
Volume	49
Issue number	11-12
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2005.11.028
State	Published - Jun 2006

Funding

The authors are grateful to David Stinton for many helpful technical discussions. Research sponsored by the Advanced Automotive Materials Program, DOE Office of FreedomCAR and Vehicle Technology Program, under contract DE-AC05-00OR22725 with UT-Battelle, LLC.

Funders	Funder number
DOE Office of FreedomCAR	DE-AC05-00OR22725

Keywords

Convective heat transfer enhancement
Porous carbon foam

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10.1016/j.ijheatmasstransfer.2005.11.028

Cite this

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N2 - Experiments are presented to quantify the convective heat transfer that is obtained by passing parallel airflow over a layer of porous carbon foam bonded onto a solid substrate. The increase in heat transfer is shown to be inversely proportional to Reynolds number and decreased from about 28-10% over the Reynolds number range 150,000-500,000. The heat transfer is independent of the effective conductivity over the range of conditions tested herein, and is independent of thickness for carbon-foam layers of thickness greater than 3 mm.

AB - Experiments are presented to quantify the convective heat transfer that is obtained by passing parallel airflow over a layer of porous carbon foam bonded onto a solid substrate. The increase in heat transfer is shown to be inversely proportional to Reynolds number and decreased from about 28-10% over the Reynolds number range 150,000-500,000. The heat transfer is independent of the effective conductivity over the range of conditions tested herein, and is independent of thickness for carbon-foam layers of thickness greater than 3 mm.

KW - Convective heat transfer enhancement

KW - Porous carbon foam

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JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

IS - 11-12

ER -

Thermal characterization of porous carbon foam-convection in parallel flow

Abstract

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Keywords

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