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primary topic: CFD modelling of shell-side asphaltenes deposition in a shell and tube heat exchanger

CFD modelling of shell-side asphaltenes deposition in a shell and tube heat exchanger
type: AcademicArticle
type: Article
abstract: Asphaltenes are identified as the main cause of crude oil fouling in the shell and tube exchangers. There are occasions where the crude oil flows through the shell side of the heat exchangers and some fouling is reported in the shell side of those heat exchangers. Understanding the fouling phenomena in the shell sides requires the knowledge on the irregular fluid flow paths and most susceptible locations of particles deposition. In the present work, an attempt has been made to investigate the effect of shear stress and surface roughness on shell-side asphaltenes deposition in a shell and tube heat exchanger through Computational Fluid Dynamics approach. The hydrodynamics of asphaltenes particles and the effect of various forces on the asphaltenes deposition on the heat transfer surfaces has been investigated through a Lagrangian based discrete-phase model. From the CFD analysis, the net mass deposition of the asphaltenes particles reduces with an increase in surface roughness from 0 to 0.04 mm and wall shear stress from 0 to 0.04 Pa for flow velocity 1 m/s, respectively. The asphaltenes mass deposition becomes constant with further increase in wall shear stress and surface roughness. © 2017 Author(s).
date: 2017
volume: 1859
is part of: AIP Conference Proceedings
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ConferenceItemEPrint
is part of: repository

American Institute of Physics Inc.
type: Organization

AIP Conference Proceedings
type: Collection
issn: 0094243X

S. Emani
type: Person
given name: S.
family name: Emani

K.Z.K. Shaari
type: Person
given name: K.Z.K.
family name: Shaari

M. Ramasamy
type: Person
given name: M.
family name: Ramasamy

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primary topic: CFD modelling of shell-side asphaltenes deposition in a shell and tube heat exchanger