Thermal-gradient induced transport of ionic liquid (IL) and water droplets through a carbon nanotube (CNT) is investigated in this study using molecular dynamics simulations. Energetic analysis indicates that IL transport through a CNT is driven primarily by the fluid-solid interaction, while fluid-fluid interactions dominate in water-CNT systems. Droplet diffusion analysis via the moment scaling spectrum reveals sub-diffusive motion of the IL droplet, in contrast to the self-diffusive motion of the water droplet. The Soret coefficient and energetic analysis of the systems suggest that the CNT shows more affinity for interaction with IL than with the water droplet. Thermophoretic transport of IL is shown to be feasible, which can create new opportunities in nanofluidic applications.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1088/1361-6528/aa6290 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Numerical comparison of nonlinear thermal radiation and chemically reactive bio-convection flow of Casson-Carreau nano-liquid with gyro-tactic microorganisms: Lie group theoretic approach.
Heliyon
April 2024
Department of Natural Sciences and Humanities, University of Engineering and Technology, Lahore 54890, Pakistan.
The current research presents a mathematical model to study the flow of a non-Newtonian magnetohydrodynamics (MHD) Casson-Carreau nanofluid (CCNF) over a stretching porous surface, considering mass and heat transport rates with Stefan blowing, non-linear thermal radiation, heat source-sink, chemical reaction, thermophoretic and Brownian motions, convective heating, Joule heating, motile microorganisms, and bio-convection. The presence of microorganisms is utilized to control the suspension of nanomaterials within the nanofluid. The current flow model has been rendered by the boundary layer approximation and we get the highly nonlinear partial differential equations (PDEs).
View Article and Find Full Text PDFVariable viscosity and activation energy aspects in convection heat transfer over gravity driven solar collector plate for thermal energy storage.
Sci Rep
November 2024
Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah, 11952, Saudi Arabia.
Article Synopsis
- This research explores how variable viscosity, activation energy, and microgravity affect the performance of Darcy nanofluid in improving thermal energy storage (TES) via solar collectors.
- The study emphasizes that using nanofluid can enhance heat and mass transfer in TES applications, which include heat exchangers and solar power systems, especially when combined with solar radiation and phase change materials.
- A mathematical model is developed to simulate oscillating heat transfer in TES, revealing that lower viscosity increases fluid velocity while higher activation energy and microgravity lead to better thermal and mass transfer efficiencies.
A single-particle energy-conserving dissipative particle dynamics approach for simulating thermophoresis of nanoparticles in polymer networks.
J Chem Phys
November 2024
Shanghai Institute of Applied Mathematics and Mechanics, School of Mechanics and Engineering Science, Shanghai Frontier Science Center of Mechanoinformatics, Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai University, Shanghai 200072, China.
The transport of nanoparticles in polymer networks has critical implications in biology and medicine, especially through thermophoresis in response to temperature gradients. This study presents a single-particle energy-conserving dissipative particle dynamics (seDPD) method by integrating a single-particle model into the energy-conserving DPD model to simulate the mesoscopic thermophoretic behavior of nanoparticles in polymer matrices. We first validate the newly developed seDPD model through comparisons with analytical solutions for nanoparticle viscosity, thermal diffusivity, and hydrodynamic drag and then demonstrate the effectiveness of the seDPD model in capturing thermophoretic forces induced by temperature gradients.
View Article and Find Full Text PDFImpact of the Interfacial Kapitza Resistance on Colloidal Thermophoresis.
ACS Omega
October 2024
Department of Chemistry, Molecular Sciences Research Hub Imperial College, Imperial College London, London W12 0BZ, U.K.
Thermal gradients impart thermophoretic forces on colloidal particles, pushing colloids toward cold or hot regions, a phenomenon called thermophoresis. Current theoretical approaches relate the Soret coefficient to local changes in the interfacial tension around the colloid, which lead to fluid flow around the colloid surface. The Kapitza resistance, a key variable in the description of interfacial heat transport, is an experimentally accessible property that modifies interfacial thermal fields.
View Article and Find Full Text PDFDual-Responsive MnO-Loaded Carbonaceous Nanobottle Motors Fabricated by Interfacial Superassembly for On-The-Fly MicroRNA Sensing.
Small
September 2024
School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, P. R. China.
Article Synopsis
- Researchers have developed dual-responsive MnO-loaded carbonaceous nanobottle motors (MnO NBMs) that can move in response to different stimuli, enhancing motion control for various applications.* -
- These nanomotors are combined with functional nanoparticles and hairpin DNA to create swimming functional MnO NBMs for improved targeting of miRNA, which is crucial for biological sensing.* -
- The integration of these nanomotors with photoelectrochemical biosensors allows for sensitive and rapid detection of microRNA-155, demonstrating effective automation and potential for practical use in cancer diagnostics.*
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!