Characteristics of Laminar Flow in Pipelines of Homogenous Alum Sludge Approximated with use of the Vočadlo Model for Viscoplastic Liquids | Zendy

Jan Kempiński | Zendy; Marek M. Sozański | Zendy; Zbysław Dymaczewski | Zendy; Robert Świerzko | Zendy

Open Access

Characteristics of Laminar Flow in Pipelines of Homogenous Alum Sludge Approximated with use of the Vočadlo Model for Viscoplastic Liquids

Author(s) -

Jan Kempiński,

Marek M. Sozański,

Zbysław Dymaczewski,

Robert Świerzko

Publication year - 2014

Publication title -

archives of environmental protection

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.384

H-Index - 21

eISSN - 2083-4772

pISSN - 2083-4810

DOI - 10.2478/aep-2014-0037

Subject(s) - laminar flow , viscoplasticity , industrial chemistry , pipeline transport , alum , flow (mathematics) , pipeline (software) , environmental science , materials science , mechanics , waste management , environmental engineering , thermodynamics , metallurgy , engineering , biochemical engineering , physics , mechanical engineering , finite element method , constitutive equation

The study presents the manners of determination of the Darcy friction factor λ for a homogenous hydromixture of alum sludge of varied hydration and temperature for the laminar flow zone. The rheological evaluation of the hydromixture as a viscoplastic body has been conducted with use of measurements of viscosity. The curves of flow were approximated with use of the generalized Vočadlo model. The Darcy friction factor λ of the pipeline was determined with use of the non-dimensional criterion λ(Regen) and λ(Re, He)

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