Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines

Jaime Gonzalez, Nazgul Sabirgalieva, Luis Rojas-Solórzano, Gustavo Zarruk

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Liquid-solid flows, in both heterogeneous and saltation regimes, are critical in the transport of suspended solid particles in pipelines prone to particles settling and accumulating on the bottom of the pipe, eventually blocking the flow and risking flow assurance. Numerical simulation of a statistically developed and steady twophase liquid-solid flow in a horizontal pipe is performed by solving Reynolds-Averaged Navier-Stokes (RANS) equations within an Eulerian-Eulerian framework to predict the complex interaction among particles and between particles and their transporting fluid and surrounding walls. Particles are treated as a secondary fluid phase with viscosity determined using the Granular Kinetic Theory (GKT), including its three potential contributions, i.e., frictional, collisional and kinetic interactions. A case study for a horizontal pipe flow with mono-disperse and bi-disperse liquid-particle mixtures, at different flow velocities and particle-bulk concentration, is presented. Particles concentration for statistically steady heterogeneous and saltation regimes without a fixed bed are presented. Governing equations for each phase are solved numerically using ANSYS-Fluent platform which is based on the finite volume method to integrate the equations about each control volume and turning the problem into a system of algebraic equations. A second-order spatial discretization is implemented across the model. Bulk concentrations of solid particles in water were considered in percentage of 10% and 20%. Solid particles of 0.125mm and 0.440mm in diameter were used in the study, while bulk velocities of 1m/s, 2m/s and 3m/s were prescribed.

Original languageEnglish
Title of host publicationChemical Engineering Transactions
PublisherItalian Association of Chemical Engineering - AIDIC
Pages1279-1284
Number of pages6
Volume57
ISBN (Electronic)9788895608488
DOIs
Publication statusPublished - 2017
Externally publishedYes

Publication series

NameChemical Engineering Transactions
Volume57
ISSN (Electronic)2283-9216

Fingerprint

Flow of solids
Pipelines
Computer simulation
Liquids
Pipe
Kinetic theory
Fluids
Particle interactions
Pipe flow
Finite volume method
Flow velocity
Navier Stokes equations
Viscosity
Kinetics
Water

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Gonzalez, J., Sabirgalieva, N., Rojas-Solórzano, L., & Zarruk, G. (2017). Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines. In Chemical Engineering Transactions (Vol. 57, pp. 1279-1284). (Chemical Engineering Transactions; Vol. 57). Italian Association of Chemical Engineering - AIDIC. https://doi.org/10.3303/CET1757214

Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines. / Gonzalez, Jaime; Sabirgalieva, Nazgul; Rojas-Solórzano, Luis; Zarruk, Gustavo.

Chemical Engineering Transactions. Vol. 57 Italian Association of Chemical Engineering - AIDIC, 2017. p. 1279-1284 (Chemical Engineering Transactions; Vol. 57).

Research output: Chapter in Book/Report/Conference proceedingChapter

Gonzalez, J, Sabirgalieva, N, Rojas-Solórzano, L & Zarruk, G 2017, Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines. in Chemical Engineering Transactions. vol. 57, Chemical Engineering Transactions, vol. 57, Italian Association of Chemical Engineering - AIDIC, pp. 1279-1284. https://doi.org/10.3303/CET1757214
Gonzalez J, Sabirgalieva N, Rojas-Solórzano L, Zarruk G. Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines. In Chemical Engineering Transactions. Vol. 57. Italian Association of Chemical Engineering - AIDIC. 2017. p. 1279-1284. (Chemical Engineering Transactions). https://doi.org/10.3303/CET1757214
Gonzalez, Jaime ; Sabirgalieva, Nazgul ; Rojas-Solórzano, Luis ; Zarruk, Gustavo. / Numerical simulation of slurry flows in heterogeneous and saltation regimes in horizontal pipelines. Chemical Engineering Transactions. Vol. 57 Italian Association of Chemical Engineering - AIDIC, 2017. pp. 1279-1284 (Chemical Engineering Transactions).
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