Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Microfluidic flow switching design using volume of fluid model.

Reiyu Chein1, S H Tsai

  • 1Department of Mechanical Engineering, National Chung Hsing University, Taichung, Taiwan. rychein@dragon.nchu.edu.tw

Biomedical Microdevices
|August 17, 2004
PubMed
Summary

This study validates the volume of fluid (VOF) model for microfluidic switch design. The VOF model accurately predicts fluid interface behavior and flow switching, crucial for microfluidic devices.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Experimental Study on Dry Reforming of Biogas for Syngas Production over Ni-Based Catalysts.

ACS omega·2019
Same author

Analysis of effect of electrolyte types on electrokinetic energy conversion in nanoscale capillaries.

Electrophoresis·2010
Same author

Splenic infarction: an unrecognized cause of culture-negative peritonitis in a continuous ambulatory peritoneal dialysis patient.

Clinical nephrology·2007
Same author

Idiopathic syringomyelia: case report and review of the literature.

Acta neurochirurgica. Supplement·2007
Same author

Analysis of electrokinetic pumping efficiency in capillary tubes.

Electrophoresis·2007
Same author

Estimation of Joule heating effect on temperature and pressure distribution in electrokinetic-driven microchannel flows.

Electrophoresis·2005

Area of Science:

  • Fluid dynamics
  • Microfluidics
  • Computational modeling

Background:

  • Microfluidic devices require precise control over fluid streams.
  • Accurate simulation of fluid interfaces with varying viscosities is essential for microfluidic switch design.

Purpose of the Study:

  • To validate the volume of fluid (VOF) model for predicting fluid interfaces in microchannels.
  • To apply the VOF model for the design and analysis of microfluidic flow switches.

Main Methods:

  • Experimental verification of the VOF model for co-flowing fluids with different viscosities.
  • Numerical simulation of two distinct microfluidic flow switch designs using the VOF model.
  • Investigating the influence of flow rate and viscosity ratios on flow switching.

Related Experiment Videos

Main Results:

  • The VOF model accurately predicted the interface between fluid streams of differing viscosities.
  • Successful prediction of flow switching phenomena in designed microfluidic switches.
  • Established that the required flow rate ratio for switching is dependent on the fluid viscosity ratio.

Conclusions:

  • The VOF model is a reliable tool for microfluidic switch design and analysis.
  • Experimental and numerical results showed good agreement, confirming model validity.
  • Understanding viscosity ratios is key to optimizing flow switching in microfluidic devices.