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 Concept Videos

Steady, Laminar Flow in Circular Tubes01:23

Steady, Laminar Flow in Circular Tubes

1.3K
Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...
1.3K
Problem Solving: Volume01:13

Problem Solving: Volume

105
The volume of a fuel tank mounted on the wing of a jet aircraft can be modeled using the concept of solids of revolution. In this case, the tank is formed by rotating a two-dimensional region, defined by a mathematical function, about the x-axis. The region extends along the axis from zero to two meters, and the resulting three-dimensional shape is symmetric about the axis of rotation. Because the boundary curve lies directly against the axis, the disk method is an appropriate technique for...
105
Free Jet01:14

Free Jet

636
Free jets describe the flow of liquid exiting a reservoir through an opening into the atmosphere without resistance. The velocity (v) of the liquid jet is derived using Bernoulli's principle and expressed as:
636
Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

937
Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
937
Laminar Flow: Problem Solving01:24

Laminar Flow: Problem Solving

565
Laminar flow occurs when a fluid moves smoothly in parallel layers with minimal mixing and turbulence. In fluid mechanics, ensuring laminar flow within a pipe is essential for precise control of flow characteristics, especially in engineering applications. The key factor in determining whether flow remains laminar is the Reynolds number, a dimensionless quantity that depends on the fluid's velocity, density, viscosity, and the pipe's diameter. A Reynolds number of 2100 or lower...
565
Area of a Surface of Revolution01:29

Area of a Surface of Revolution

99
Surfaces of revolution are formed when a two-dimensional curve is rotated around an axis, producing a three-dimensional shape. This concept is used in engineering tasks like determining the surface area of a rocket nozzle, where precise calculations are critical for applying uniform heat-resistant coatings. When a curve is revolved about the x-axis, it sweeps out a continuous surface whose area must be calculated accurately to estimate material requirements.Approximating with Conical BandsTo...
99

You might also read

Related Articles

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

Sort by
Same author

Icariin Attenuates Neuroinflammation and Dopaminergic Degeneration in a Rodent Model of Parkinson's Disease by Promoting the Expansion of Regulatory T Cells.

Frontiers in bioscience (Landmark edition)·2026
Same author

<b>Beetle Diversity on the Qinghai-Xizang Plateau: the Mêdog region (Title page)</b>.

Zootaxa·2026
Same author

<b>Beetle Diversity on the Qinghai-Xizang Plateau: the Mêdog region (Table of contents)</b>.

Zootaxa·2026
Same author

<b>Introduction: Beetle Diversity on the Qinghai-Xizang Plateau: the Mêdog region</b>.

Zootaxa·2026
Same author

<b>Review of Pyrochroidae (Coleoptera: Tenebrionoidea) from Mêdog, China, with descriptions of two new species</b>.

Zootaxa·2026
Same author

<b>Confirmation of the valid status of <i>Metoecus morawitzi</i> (Semenov, 1890) (Coleoptera: Ripiphoridae) based on integrated data, with zoogeographical comments</b>.

Zootaxa·2026

Related Experiment Video

Updated: Mar 9, 2026

High Throughput Analysis of Liquid Droplet Impacts
09:00

High Throughput Analysis of Liquid Droplet Impacts

Published on: March 6, 2020

7.1K

Maximum Droplet Volume on Horizontal Cylindrical Surfaces.

Yi Zhang1, Apurav Tambe1, Zhao Pan1

  • 1Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.

Langmuir : the ACS Journal of Surfaces and Colloids
|March 7, 2026
PubMed
Summary

Researchers developed a new model to predict the maximum droplet volume (Ω) on fibers. This model accurately captures fiber size and wettability effects, improving droplet-fiber interaction predictions.

More Related Videos

High Throughput Single-cell and Multiple-cell Micro-encapsulation
16:19

High Throughput Single-cell and Multiple-cell Micro-encapsulation

Published on: June 15, 2012

19.3K
Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure
08:02

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Published on: April 17, 2018

11.1K

Related Experiment Videos

Last Updated: Mar 9, 2026

High Throughput Analysis of Liquid Droplet Impacts
09:00

High Throughput Analysis of Liquid Droplet Impacts

Published on: March 6, 2020

7.1K
High Throughput Single-cell and Multiple-cell Micro-encapsulation
16:19

High Throughput Single-cell and Multiple-cell Micro-encapsulation

Published on: June 15, 2012

19.3K
Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure
08:02

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Published on: April 17, 2018

11.1K

Area of Science:

  • Fluid dynamics
  • Surface science
  • Materials science

Background:

  • Droplet-fiber interactions are crucial in natural phenomena and engineering applications.
  • Existing models for maximum droplet volume (Ω) lack accuracy regarding fiber size and wettability.
  • Predicting droplet stability on fibers is essential for applications like coating and microfluidics.

Purpose of the Study:

  • To develop an accurate and comprehensive model for the maximum droplet volume (Ω) on horizontal fibers.
  • To address the limitations of existing models in predicting Ω's dependence on fiber size and wettability.
  • To establish a new scaling law for droplet stability on fibers.

Main Methods:

  • Systematic investigation using numerical simulations.
  • Experimental validation of simulation results.
  • Development and validation of a semi-empirical model for Ω.

Main Results:

  • A new semi-empirical model for Ω was developed and validated.
  • The model accurately predicts Ω across a wide range of fiber sizes and wettabilities.
  • A new scaling law was established where normalized maximum droplet volume depends solely on the contact angle.

Conclusions:

  • The developed model provides a significant improvement in predicting droplet stability on fibers.
  • The new scaling law simplifies the prediction of Ω, making it applicable to diverse scenarios.
  • This research enhances the understanding and prediction of droplet-fiber interactions in various scientific and engineering fields.