Article (Scientific journals)
On the chemical potential of nanoparticle dispersion
Machrafi, Hatim
2020In Physics Letters, Section A: General, Atomic and Solid State Physics, 384 (19)
Peer reviewed
 

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Keywords :
Chemical potential; Mass diffusion; Nanofluid; Nanoparticle dispersion; Porous-like flow; Thermodynamics; Molecular dynamics; Nanofluidics; Nanoparticles; Polymer blends; Binary solutions; Engineering applications; Nano-particle dispersions; Nanofluids; New mechanisms; Porous flow; Suspensions (fluids)
Abstract :
[en] Understanding of the mechanism describing the chemical potential of nanoparticle dispersions, whether from modelling or experimental perspectives, is missing in the literature. As nanofluids are widely used in engineering applications, predicting material properties correctly needs a correct formulation for their behaviour. Often, the chemical potential of mixing is used for such expressions. Although quite appropriate for polymer blends or binary solutions, it is not suitable for nanoparticle dispersions. This work proposes a new mechanism for the chemical potential of dispersions or suspensions from thermodynamic principles, relying on porous flow principles, proposing that it is the fluid that diffuses in between the nanoparticles. The proposed model is applied in the case of mass diffusion and the results compare well with molecular dynamics results and several experimental data, motivating the proposed mechanism for dispersions. © 2020 Elsevier B.V.
Disciplines :
Physics
Author, co-author :
Machrafi, Hatim ;  Université de Liège - ULiège > GIGA In silico med. - Thermodynamics of Irreversible Proces.
Language :
English
Title :
On the chemical potential of nanoparticle dispersion
Publication date :
2020
Journal title :
Physics Letters, Section A: General, Atomic and Solid State Physics
ISSN :
0375-9601
Publisher :
Elsevier B.V.
Volume :
384
Issue :
19
Peer reviewed :
Peer reviewed
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since 06 January 2022

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