Loading...

DPD simulation of non-Newtonian electroosmotic fluid flow in nanochannel

Jafari, S ; Sharif University of Technology | 2018

848 Viewed
  1. Type of Document: Article
  2. DOI: 10.1080/08927022.2018.1517414
  3. Publisher: Taylor and Francis Ltd , 2018
  4. Abstract:
  5. We use the dissipative particle dynamics (DPD) method to simulate the non-Newtonian electroosmotic flow (EOF) through nanochannels. Contrary to a large amount of past computational efforts dedicated to the study of EOF profile, this work pays attention to the EOF of non-Newtonian fluids, which has been rarely touched in past publications. Practically, there are many MEMS/NEMS devices, in which the EOF behaviour should be treated assuming both non-continuum and non-Newtonian conditions. Therefore, our concern in this work is to simulate the EOF through nanochannels considering both non-Newtonian fluid properties and non-continuum flow conditions. We have chosen DPD as our working tool because it provides several important advantages comparing with the classical time consuming molecular dynamics method. Using the DPD method, we explore the effect of a few important fluid properties and nanochannel parameters on the EOF behaviour and the resulting flow rate magnitudes. Our investigation will result in a number of findings, which have not been reported in past research works. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group
  6. Keywords:
  7. Nanochannel ; Non-Newtonian fluid ; Electroosmosis ; Flow measurement ; Molecular dynamics ; Non Newtonian liquids ; Rheology ; Viscous flow ; Computational effort ; Dissipative particle dynamics ; Dissipative particle dynamics method (DPD) ; DPD simulations ; Electroosmotic flow ; Molecular dynamics methods ; Nano channels ; Non-Newtonian fluids ; Non Newtonian flow
  8. Source: Molecular Simulation ; Volume 44, Issue 17 , 2018 , Pages 1444-1453 ; 08927022 (ISSN)
  9. URL: https://www.tandfonline.com/doi/abs/10.1080/08927022.2018.1517414?journalCode=gmos20