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

Oun, Hatem and Kennedy, Andrew R. (2014) Experimental investigation of pressure-drop characteristics across multi-layer porous metal structures. Journal of Porous Materials, 21 (6). pp. 1133-1141. ISSN 1573-4854

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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.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/737936
Additional Information: The final publication is available at Springer via http://link.springer.com/article/10.1007%2Fs10934-014-9863-y
Keywords: Multi-layer porous structure, High air-velocity, Ergun equation, Thickness effect, Regime transition
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Mechanical, Materials and Manufacturing Engineering
Identification Number: https://doi.org/10.1007/s10934-014-9863-y
Depositing User: Eprints, Support
Date Deposited: 28 Jun 2016 14:34
Last Modified: 04 May 2020 16:55
URI: http://eprints.nottingham.ac.uk/id/eprint/34445

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