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Mass transfer at high Péclet numbers for creeping flow in a packed‐bed reactor
Author(s) -
Fedkiw Peter,
Newman John
Publication year - 1977
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690230307
Subject(s) - mass transfer , mechanics , isotropy , packed bed , sherwood number , radius , péclet number , flow (mathematics) , chemistry , homogeneous , constant (computer programming) , materials science , thermodynamics , chromatography , physics , optics , turbulence , computer security , reynolds number , computer science , nusselt number , programming language
An isotropic, homogeneous packed‐bed reactor is modeled as an array of sinusoidal periodically constricted tubes (PCT). The effective asymptotic bed‐Sherwood number has been calculated for mass transfer at large Péclet number with a constant wall concentration and creeping flow hydrodynamics. The bed friction factor has also been calculated. The results for these macroscopic bed quantities depend upon two ratios of the microscopic PCT period length, average radius, and sinusoidal amptitude.

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