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Experimental investigation of pressure-drop characteristics across multi-layer porous metal structures

Oun, Hatem; Kennedy, Andrew R.

Authors

Hatem Oun

Andrew R. Kennedy



Abstract

This study investigates the effect of airflow (in the range of 0–70 m s-1) on the pressure-drop characteristics for a novel multi-layered, nickel-based porous metal, as a function of thickness (affected by sectioning) and density (affected by compression). In addition to generating unique data for these materials, the study highlights the need for precise pinpointing of the different flow regimes (Darcy, Forchheimer and Turbulent) in order to enable accurate determination of the permeability (K) and form drag coefficient (C) defined by the Forchheimer equation and to understand the complex dependence of length-normalised pressure drop on sample thickness.

Journal Article Type Article
Journal Journal of Porous Materials
Print ISSN 1380-2224
Electronic ISSN 1573-4854
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 21
Issue 6
APA6 Citation Oun, H., & Kennedy, A. R. (in press). Experimental investigation of pressure-drop characteristics across multi-layer porous metal structures. Journal of Porous Materials, 21(6), https://doi.org/10.1007/s10934-014-9863-y
DOI https://doi.org/10.1007/s10934-014-9863-y
Keywords Multi-layer porous structure, High air-velocity, Ergun equation, Thickness effect, Regime transition
Publisher URL http://link.springer.com/article/10.1007%2Fs10934-014-9863-y
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information The final publication is available at Springer via http://link.springer.co...007%2Fs10934-014-9863-y

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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