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Analysis on Experimental Investigation and Mathematical Modeling of Incompressible Flow Through Ceramic Foam Filters
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap.ORCID-id: 0000-0002-7957-348X
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2016 (Engelska)Ingår i: Metallurgical and materials transactions. B, process metallurgy and materials processing science, ISSN 1073-5615, E-ISSN 1543-1916, Vol. 47, nr 4, s. 2229-2243Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

This paper presents experimental results of pressure drop measurements on 30, 50, and 80 pores per inch (PPI) commercial alumina ceramic foam filters (CFF) and compares the obtained pressure drop profiles to numerically modeled values. In addition, it is aimed at investigating the adequacy of the mathematical correlations used in the analytical and the computational fluid dynamics (CFD) simulations. It is shown that the widely used correlations for predicting pressure drop in porous media continuously under-predict the experimentally obtained pressure drop profiles. For analytical predictions, the negative deviations from the experimentally obtained pressure drop using the unmodified Ergun and Dietrich equations could be as high as 95 and 74 pct, respectively. For the CFD predictions, the deviation to experimental results is in the range of 84.3 to 88.5 pct depending on filter PPI. Better results can be achieved by applying the Forchheimer second-order drag term instead of the Brinkman-Forchheimer drag term. Thus, the final deviation of the CFD model estimates lie in the range of 0.3 to 5.5 pct compared to the measured values.

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Springer, 2016. Vol. 47, nr 4, s. 2229-2243
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Metallurgi och metalliska material
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URN: urn:nbn:se:kth:diva-190653DOI: 10.1007/s11663-016-0703-0ISI: 000379510000018Scopus ID: 2-s2.0-84973167283OAI: oai:DiVA.org:kth-190653DiVA, id: diva2:953331
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QC 20160817

Tillgänglig från: 2016-08-17 Skapad: 2016-08-12 Senast uppdaterad: 2017-11-28Bibliografiskt granskad

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Akbarnejad, ShahinJönsson, Pär
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MaterialvetenskapTillämpad processmetallurgi
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Metallurgical and materials transactions. B, process metallurgy and materials processing science
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