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Micromachines
Special Issues
Recent Advances in Nanofluidics: Devices, Technologies and Applications
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Recent Advances in Nanofluidics: Devices, Technologies and Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E：Engineering and Technology".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 2882

Special Issue Editors

Dr. Jun Lu

E-Mail Website
Guest Editor
Department of Chemical and Biological Engineering, Monash Centre for Membrane Innovation, Monash University, Clayton, VIC 3800, Australia
Interests: nanofluidics; biomimetic ion transport; membrane separation; metal–organic frameworks
Dr. Yahui Xue

E-Mail Website
Co-Guest Editor
Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Interests: smart synthetic ion channels; nanofluidics; micro-/nanomechanics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanofluidics, derived from microfluidics, explores confined fluidic/ion transport phenomena and precision regulation at the nanometer and angstrom scales, which can inspire the next technological revolution to solve energy and resource crises. The development of novel nanofluidic devices is necessary to make intriguing discoveries. Learning from nature boosts the progress of nanofluidics that in turn has promoted the bionic fundamentals and engineering. Due to the advances in nanomaterial synthesis and nanofabrication technologies, nanofluidics has grown rapidly in recent two decades, especially the considerable headway in ultrafast and selective fluidic/ion transport and gating fluidic/ion transport as biological water/ion channels and neurons, indicating the coming age of nanofluidics. Accordingly, this Special Issue seeks to showcase research papers, communications, reviews, and opinion articles that focus on developments in the fabrication of nanofluidic devices, such as artificial ion transistors, ionic machines, and iontronic devices, and their use for biomimetic mass transport, signal transmission and storage, and membrane separation, sensing, and reaction.

Dr. Jun Lu
Dr. Yahui Xue
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nanofluidics
  • nanofabrication
  • nanomaterials
  • biomimetic engineering
  • membrane separation
  • energy harvesting

Published Papers (2 papers)

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Research

13 pages, 1746 KiB  
Article
Fluid Properties Extraction in Confined Nanochannels with Molecular Dynamics and Symbolic Regression Methods
by Dimitrios Angelis, Filippos Sofos, Konstantinos Papastamatiou and Theodoros E. Karakasidis
Micromachines 2023, 14(7), 1446; https://doi.org/10.3390/mi14071446 - 19 Jul 2023
Cited by 1 | Viewed by 962
Abstract
In this paper, we propose an alternative road to calculate the transport coefficients of fluids and the slip length inside nano-conduits in a Poiseuille-like geometry. These are all computationally demanding properties that depend on dynamic, thermal, and geometrical characteristics of the implied fluid [...] Read more.
In this paper, we propose an alternative road to calculate the transport coefficients of fluids and the slip length inside nano-conduits in a Poiseuille-like geometry. These are all computationally demanding properties that depend on dynamic, thermal, and geometrical characteristics of the implied fluid and the wall material. By introducing the genetic programming-based method of symbolic regression, we are able to derive interpretable data-based mathematical expressions based on previous molecular dynamics simulation data. Emphasis is placed on the physical interpretability of the symbolic expressions. The outcome is a set of mathematical equations, with reduced complexity and increased accuracy, that adhere to existing domain knowledge and can be exploited in fluid property interpolation and extrapolation, bypassing timely simulations when possible. Full article
(This article belongs to the Special Issue Recent Advances in Nanofluidics: Devices, Technologies and Applications)
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15 pages, 8691 KiB  
Article
Natural Convection of Ternary Hybrid Nanofluid in a Differential-Heated Enclosure with Non-Uniform Heating Wall
by Vemula Rajesh and Mikhail Sheremet
Micromachines 2023, 14(5), 1049; https://doi.org/10.3390/mi14051049 - 14 May 2023
Cited by 3 | Viewed by 1566
Abstract
In the field of convective energy transfer, natural convection is one of the most studied phenomena, with applications ranging from heat exchangers and geothermal energy systems to hybrid nanofluids. The aim of this paper is to scrutinize the free convection of a ternary [...] Read more.
In the field of convective energy transfer, natural convection is one of the most studied phenomena, with applications ranging from heat exchangers and geothermal energy systems to hybrid nanofluids. The aim of this paper is to scrutinize the free convection of a ternary hybrid nanosuspension (Al2O3-Ag-CuO/water ternary hybrid nanofluid) in an enclosure with a linearly warming side border. The ternary hybrid nanosuspension motion and energy transfer have been modelled by partial differential equations (PDEs) with appropriate boundary conditions by the single-phase nanofluid model with the Boussinesq approximation. The finite element approach is applied to resolve the control PDEs after transforming them into a dimensionless view. The impact of significant characteristics such as the nanoparticles’ volume fraction, Rayleigh number, and linearly heating temperature constant on the flow and thermal patterns combined with the Nusselt number has been investigated and analyzed using streamlines, isotherms, and other suitable patterns. The performed analysis has shown that the addition of a third kind of nanomaterial allows for intensifying the energy transport within the closed cavity. The transition between uniform heating to non-uniform heating of the left vertical wall characterizes the heat transfer degradation due to a reduction of the heat energy output from this heated wall. Full article
(This article belongs to the Special Issue Recent Advances in Nanofluidics: Devices, Technologies and Applications)
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