Results 71 to 80 of about 1,542 (225)

Bioconvective Unsteady Casson Hybrid Nanofluid Flow on a Variable Darcy Regime Between Two Rotating Disks With Variable Heat Source

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study carries significant consequences in various engineering applications, such as cooling rotating disk surfaces, improving chemical reactor performance, and designing filtration systems. Considering these main applications in view, the aim of this study is to investigate time‐dependent Casson hybrid nanofluid flow on a permeable ...
Ebrahem A. Algehyne   +6 more
wiley   +1 more source

Electrohydrodynamics-Induced Abnormal Electro-Optic Characteristics in a Polymer-Dispersed Liquid Crystal Film

open access: yesCrystals, 2017
This study demonstrates for the first time abnormal electro-optic (EO) characteristics induced by electrohydrodynamics (EHD) in a polymer-dispersed liquid crystal (PDLC) film in the presence of a low-frequency (1 kHz) AC voltage. Large LC droplets (20−40
Sheng-Kuang Wu   +7 more
doaj   +1 more source

Wireless Electrohydrodynamic Actuators for Propulsion and Positioning of Miniaturized Floating Robots

open access: yesAdvanced Intelligent Systems, 2021
Autonomous soft robots require compact actuators generating large strokes and high forces. Electro‐fluidic actuators are especially promising, they combine the advantages of electroactive polymers (low‐power consumption, fast response, and electrical ...
Hiroki Shigemune   +5 more
doaj   +1 more source

An electrohydrodynamic gyroscope

open access: yesSensors and Actuators A: Physical, 2020
A novel configuration of gyroscope using an electro-hydrodynamics flow circulating in a confined space is developed. The configuration includes three corona discharge based actuators to generate ionic flows inside three separated sub-channels which are connected to the main chamber.
Van, Ngoc Tran   +6 more
openaire   +2 more sources

MXenes as a Versatile Platform for High‐Energy‐Density Asymmetric Supercapacitors

open access: yesCarbon Energy, EarlyView.
MXenes with high conductivity and tunable surface chemistry are reviewed as advanced electrodes for asymmetric supercapacitors. MAX‐phase synthesis, surface and interlayer engineering, defect modulation, and composite designs are discussed, highlighting enhanced ion transport, pseudocapacitance, energy density, cycling stability, and sustainable routes
Seul‐Yi Lee   +3 more
wiley   +1 more source

Electrohydrodynamics of stationary mesoscale droplets for applications in fluid properties measurement and lab-on-chip devices

open access: yes, 2021
Thesis (M.S.)-- Wichita State University, College of Engineering, Dept. of Mechanical EngineeringCurrent fluid properties testing methods are bulky and property specific. They can be improved by implementing an all-in-one integrated lab on a chip device,
Memon, Faisal Bilal
core   +1 more source

Revolutionizing Healthcare With Paper‐Based Nucleic Acid Testing

open access: yesExploration, EarlyView.
This work summarizes strategies to enhance paper‐based devices for nucleic acid testing. Key approaches include optimizing paper platforms, improving nucleic acid amplification, and refining labeling/signaling methods. These advancements aim to boost sensitivity, speed, and usability, making paper‐based diagnostics more effective for point‐of‐care ...
Hong Zhang   +8 more
wiley   +1 more source

Swinging paper actuator driven by conduction electrohydrodynamics

open access: yes, 2017
Paper mechatronics has been proposed as a concept to fabricate robots with printing methods in our previous studies. Actuators fabricated by printing on a sheet material can be low-cost and lightweight. In this paper, we propose a swinging paper actuator
Yu Kuwajima   +19 more
core   +2 more sources

Evaporation of unstable polymer jet in electrospinning

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2011
This study is focused on mathematical modeling of drying unstable polymer electrospun jet. The developed model includes nonuniformity of polymer concentration over the jet cross-section due to the evaporation.
Yuriy E Salkovskiy
doaj  

A High‐Efficiency Yet Sustainable Fresh‐Keeping Strategy Inspired by Calyx of Physalis peruviana

open access: yesExploration, EarlyView.
This study presents a sprayable, calyx‐inspired food wrap engineered for safety and sustainability using handheld electrospraying. The wrap forms a health‐critical protective barrier with high antiviral and antibacterial efficacy, excellent breathability, and long‐term fresh‐keeping performance.
Yue Zhao   +17 more
wiley   +1 more source

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