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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Print: 2152-5102
ISSN Online: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v39.i2.40
pages 136-148

Fluid Flow through Macro-Porous Materials: Friction Coefficient and Wind Tunnel Similitude Criteria

Davide Allori
CRIACIV / Department of Civil and Environmental Engineering, University of Florence Florence, Italy
Gianni Bartoli
CRIACIV / Department of Civil and Environmental Engineering, University of Florence Florence, Italy
Antonio Ferreira Miguel
Department of Physics, School of Sciences and Technology, University of Evora, Institute of Earth Sciences (ICT) Pole of Evora, Portugal

ABSTRACT

This work reports the study of airflow fluid through macro-porous materials. Several perforated plates having holes with different geometry, thickness and size were tested in a wind tunnel. The objective of this paper is double fold. At first, it aims at clarifying the effect of configuration of pores (holes) on fluid flow. Friction resistance and drag coefficients are obtained. Secondly, it has the purpose to present a comprehensive similitude criterion for macro-porous structures based on physical insight.