Instytut Podstawowych Problemów Techniki
Polskiej Akademii Nauk


W. Regulski

Ostatnie publikacje
1.  Regulski W., Szumbarski J., Łaniewski-Wołłk Ł., Gumowski K., Skibiński J., Wichrowski M., Wejrzanowski T., Pressure drop in flow across ceramic foams—A numerical and experimental study, CHEMICAL ENGINEERING SCIENCE, ISSN: 0009-2509, DOI: 10.1016/j.ces.2015.06.043, Vol.137, pp.320-337, 2015

The unique properties of ceramic foams make them well suited to a range of applications in science and engineering such as heat transfer, reaction catalysis, flow stabilization, and filtration. Consequently, a detailed understanding of the transport properties (i.e. permeability, pressure drop) of these foams is essential. This paper presents the results of both numerical and experimental investigations of the morphology and pressure drop in 10 ppi (pores per inch), 20 ppi and 30 ppi ceramic foam specimens with porosity in the range of 75–79%. The numerical simulations were carried out using a GPU implementation of the three-dimensional, multiple-relaxation-time lattice Boltzmann method (MRT-LBM) on geometries of up to 360 million nodes in size. The experiments were undertaken using a water channel. Foam morphology (porosity and specific surface area) was studied on post-processed, computed tomography (CT) images, and the sensitivity of these results to CT image thresholding was also investigated. Comparison of the numerical and experimental data for pressure drop exhibited very good agreement. Additionally, the results of this study were verified against other researchers׳ data and correlations, with varying outcomes.

Słowa kluczowe:
Ceramic foam, Pressure drop, Lattice Boltzmann method, Darcy–Forchheimer equation, Specific surface area, Pore-scale simulation

Afiliacje autorów:
Regulski W. - inna afiliacja
Szumbarski J. - inna afiliacja
Łaniewski-Wołłk Ł. - inna afiliacja
Gumowski K. - inna afiliacja
Skibiński J. - inna afiliacja
Wichrowski M. - IPPT PAN
Wejrzanowski T. - Politechnika Warszawska (PL)

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