Publikace detail

Pressure drop excess in the flow of viscoelastic liquids through fixed beds of particles

Autoři: Bendová Helena | Šiška Bedřich | Machač Ivan

Rok: 2009

Druh publikace: článek v odborném periodiku

Název zdroje: Chemical Engineering and Processing

Název nakladatele: Elsevier Science SA

Místo vydání: Lausanne

Strana od-do: 29-37

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze
eng	Pressure drop excess in the flow of viscoelastic liquids through fixed beds of particles	In this contribution, new results of our experimental study of the creeping flow of fluids of different rheological behaviour through fixed beds of spherical and non-spherical particles are presented. It was verified that for engineering estimation of the viscoelastic pressure drop excess, simple forms of the correction function of the effective Deborah number can be used. Analysing the extensive set of experimental data, the procedure for determination of these Deborah number functions, which are based on an effective liquid characteristic time, has been proposed.	Fixed bed flow;creeping region;viscoelastic pressure drop excess;liquid effective characteristic time;Deborah number correction function

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