Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Electrochemical Systems

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Future Directions: Artificial Intelligence and Digital Tools in Bladder Cancer Care.

The Urologic clinics of North America·2026

Same author

Large multicenter validation of urine RNA profile for urothelial carcinoma detection and surveillance.

The Journal of clinical investigation·2026

Same author

Adjustable-Error-Based Adaptive Neural Network Tracking Control for Uncertain Nonlinear Systems.

IEEE transactions on cybernetics·2026

Same author

CystoDS: a multiclass endoscopy image dataset for artificial intelligence-assisted bladder cancer detection.

Scientific data·2026

Same author

Field-effect-informed urine liquid biopsy for bladder cancer.

Cell·2026

Same author

Cooperative control for FWID-EVs with active suspension under extreme conditions by using off-policy safe reinforcement learning.

ISA transactions·2026

Same journal

Insitu mass burning rates of individual firebrands.

International journal of heat and mass transfer·2026

Same journal

Advancing the Applications of 3D Printed Microfluidics: Utilizing Quantum Dots to Measure Internal Temperature.

International journal of heat and mass transfer·2025

Same journal

Heat transfer coefficient measurement of LN<sub>2</sub> and GN<sub>2</sub> in a microchannel at low Reynolds flow.

International journal of heat and mass transfer·2025

Same journal

<i>Ab initio</i> investigations on hydrodynamic phonon transport: From diffusion to convection.

International journal of heat and mass transfer·2024

Same journal

Thermal characteristics of silicon wafer-based TVCs (thin vapor chambers) with disk-shape using DI water.

International journal of heat and mass transfer·2024

Same journal

Model-based simulations of pulsed laser ablation using an embedded finite element method.

International journal of heat and mass transfer·2023

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 22, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

Long-range electrothermal fluid motion in microfluidic systems.

Yi Lu¹, Qinlong Ren², Tingting Liu²

¹Department of Aerospace and Mechanical Engineering, The University of Arizona, Tucson, Arizona, 85721, USA; Departments of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802 USA.

International Journal of Heat and Mass Transfer

|April 30, 2016

Summary

This summary is machine-generated.

AC electrothermal flow (ACEF) generates centimeter-scale vortices, enabling long-range fluid motion in microfluidic devices. This study reveals key factors influencing ACEF for enhanced bioanalytical applications.

Keywords:

AC electrothermal flow buoyancy computational fluid dynamics electrokinetics microfluidics

More Related Videos

Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature

Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature

Published on: November 26, 2019

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

Related Experiment Videos

Last Updated: Mar 22, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature

Controlling Flow Speeds of Microtubule-Based 3D Active Fluids Using Temperature

Published on: November 26, 2019

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

Area of Science:

Fluid dynamics
Microfluidics
Bioanalytical applications

Background:

AC electrothermal flow (ACEF) is a microfluidic phenomenon driven by Joule heating and temperature gradients.
ACEF facilitates essential microfluidic operations like pumping, mixing, and separation across various biological sample conductivities.

Purpose of the Study:

To investigate and characterize long-range fluid motion induced by ACEF, specifically centimeter-scale vortices.
To develop and validate an extended computational model for ACEF, incorporating density gradients and temperature-dependent properties.

Main Methods:

Experimental validation using particle image velocimetry (PIV).
Development of an extended computational model for ACEF, considering density gradients and temperature-dependent parameters.
Investigation of ACEF in microchannels with varying characteristic lengths.

Main Results:

ACEF was observed to induce long-range fluid motion, forming centimeter-scale vortices.
The observed fluid motion exhibited strong voltage dependence and was suppressed below ~300 μm channel length.
The computational model accurately captured ACEF behavior across diverse channel dimensions and operating conditions.

Conclusions:

Buoyancy, temperature rise, and temperature-dependent material properties are crucial for long-range ACEF.
The developed model provides critical insights for designing and modeling ACEF-based microfluidic systems.
This research enhances the potential of ACEF for advanced bioanalytical applications.