Collective effects on thermophoresis of aqueous particle suspensions are studied experimentally and theoretically. A microfluidic device is used to characterize thermophoretic transport 100 nm, 500 nm 1 μm particles various concentrations in deionized (DI) water. Our experimental findings show two interesting collective the Soret coefficient colloids: (i) for smaller (e.g., nm), a sign change observed when increasing concentration; (ii) larger μm), negative always seen. model derived account...

Due to the large lateral area of trailer and variable road conditions, handling stability a heavy tractor semi-trailer under crosswind is very important for safety. In this present work, numerical simulation performed study effects on semi-trailer. The aerodynamic characteristics different were computed by computational fluid dynamics (CFD). Then, mathematical models reveal relationship between forces constructed serve as inputs multi-body analyze crosswind. performance evaluated response...

Network slicing is a promising approach supporting various Internet of Everything applications with diverse and differential requirements. To implement flexible efficient network slices, unmanned aerial vehicle (UAV)-enabled mobile edge computing (MEC) deployed to leverage ground segments, which provides multi-dimensional resources involving hardware devices facilities (e.g., UAVs, servers, devices). Such complex hierarchical structure requires an framework orchestrate control slices while...

Unmanned aerial vehicle (UAV)-enabled edge computing is emerging as a potential enabler for Artificial Intelligence of Things (AIoT) in the forthcoming sixth-generation (6G) communication networks. With use flexible UAVs, massive sensing data gathered and processed promptly without considering geographical locations. Deep neural networks (DNNs) are becoming driving force to extract valuable information from data. However, lightweight servers installed on UAVs not able meet extremely high...

Thermophoresis refers to the motion of particles under a temperature gradient and it is one particle manipulation techniques. Regarding thermophoresis in liquid media, however, many open questions still remain, especially role interfacial effect. This work reports on systematic experimental investigation surfactant effects, induced effect, colloids aqueous solutions via microfluidic approach. Two kinds commonly used surfactants, sodium dodecyl sulfate (SDS) cetyltrimethylammonium bromide...

Abstract Objective: Although photoelectrochemical (PEC) water splitting heralds the emergence of hydrogen economy, need for external bias and low efficiency stymies widespread application this technology. By coupling (in a PEC cell) to microbial fuel cell (MFC) using Escherichia coli as biocatalyst, work aims successfully demonstrate sustainable hybrid PEC–MFC platform functioning solely by biocatalysis solar energy, at zero bias. Through further chemical modification photo-anode biofilm...

Multiphase droplet-based and continuous liquid-liquid extraction (LLE) of phenol from oil is studied in a low width-to-height aspect ratio polymethylmethacrylate (PMMA)-based microchannel reactor. The efficiency the dispersed phase consisting silicone to external water as function flow rate two immiscible phases. This paper demonstrates that for enhancing microfluidic reactors, phase, Qc, Qd, preferable.

The problem of water shortage needs to be solved urgently. membrane-embedded microchannel structure based on the ion concentration polarization (ICP) desalination effect is a potential portable device with low energy consumption and high efficiency. electroosmotic flow in cation exchange membrane system are numerically analyzed. results show that when horizontal electric field intensity 2 kV/m transmembrane voltage 400 mV, desalting efficiency reaches 97.3%. When strength increases 20 kV/m,...

Distributed artificial intelligence (AI) is becoming an efficient approach to fulfill the high and diverse requirements for future vehicular networks. However, distributed tasks generated by vehicles often require resources. A customized resource provision scheme required improve utilization of multi-dimensional In this work, a slice selection-based online offloading (SSOO) algorithm proposed in First, response time energy consumption are reduced processing locally on vehicles. Then,...

Electro-osmotic flow (EOF) is widely used in microfluidic systems. Here, we report an analysis of the thermal effect on EOF under imposed temperature difference. Our model not only considers temperature-dependent thermophysical and electrical properties but also includes ion thermodiffusion. The inclusion thermodiffusion affects ionic distribution, local potential, as well free charge density, thus has EOF. In particular, formulate analytical for a steady, fully developed slit microchannel....

The Wireless Sensor Network applications has widely been used over the last few years. WSN is a novel self-organization wireless network which made up of randomly distributed sensor Nodes. Due to some resource constraints, design security in encounters great many new challenges. It vulnerable attack, harmful for availability WSN. In this paper we propose trust-aware and location-based secure routing protocol protects against attacks, also supports large-scale deployments. proposed extended...

The contribution of this work is the modification a mathematical model for bursting Ca2+ oscillations by introducing proportion receptors not inactivated as new variable. Generation mechanisms different oscillatory patterns in modified are investigated and classified, based on fast/slow dynamical analysis. It shown that periodic appear around original chaotic regions. Moreover, two types phenomena observed at sustaining region. results may be instructive understanding difference between...

Abstract As one of the important components modern microfluidic devices, micromixers have attracted more and attention. Among many mixers, electro-osmotic flow mixers been widely studied applied due to their advantages such as simple structure, convenient control remarkable mixing effect. In this paper, a two-dimensional numerical model an micromixer with annular chamber is established by means simulation software COMSOL Multiphysics. The process fluid in simulated, characteristics are...

Thermophoresis of charged colloids in aqueous media has wide applications biology. Most existing studies thermophoresis focused on spherical particles, but biological compounds are usually non-spherical. The present paper reports a numerical analysis the spheroidal colloid media. model accounts for strongly coupled temperature field, flow electric potential and ion concentration field. Numerical simulations revealed that prolate spheroids move faster than oblate slower particles. For...

Cryo-electron microscopy (cryo-EM) is a powerful technique in structural biology and drug discovery, enabling the study of biomolecules at high resolution. Significant advancements by biologists using cryo-EM have led to production over 38,626 protein density maps various resolutions1. However, data processing algorithms yet fully benefit from our knowledge biomolecular maps, with only few recent models being data-driven but limited specific tasks. In this study, we present CryoFM,...

Thermophoresis of spheroidal colloids in aqueous media under the thermal conductivity effect is analyzed. The thermophoretic velocity and thermodiffusion coefficient have been formulated for extremely thin electric double layer (EDL) cases. Furthermore, a numerical model built arbitrary EDL thickness parametric studies show that mismatch particle liquid gives rise to nonlinear temperature region around spheroid, with close minor semiaxis. When relative such region, on thermophoresis...

To address the problem that traditional fuzzy control strategy relies too much on expert advice and is difficult to cope with reasonable energy distribution under complex working conditions, this study takes world's first fuel cell hybrid ferry "FCS Alsterwasser" as research object proposes an management based optimization of Gray Wolf algorithm. A simulation model established in MATLAB/Simulink construct evaluation equations power quality system efficiency Li-ion battery, instantaneous...