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

Surface Tension of Fluid

Surface Tension of Fluid

Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies...

Newtonian Fluid: Problem Solving

Newtonian Fluid: Problem Solving

Newtonian fluids exhibit a constant viscosity, meaning their shear stress and shear strain rate are directly proportional. This property ensures a predictable and stable response to applied forces, maintaining a linear relationship between force and flow. Examples include water, air, and light oils, consistently demonstrating this proportional behavior regardless of external conditions.
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...

Steady, Laminar Flow Between Parallel Plates

Steady, Laminar Flow Between Parallel Plates

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.

Surface Tension, Capillary Action, and Viscosity

Surface Tension, Capillary Action, and Viscosity

Surface Tension
The various IMFs between identical molecules of a substance are examples of cohesive forces. The molecules within a liquid are surrounded by other molecules and are attracted equally in all directions by the cohesive forces within the liquid. However, the molecules on the surface of a liquid are attracted only by about one-half as many molecules. Because of the unbalanced molecular attractions on the surface molecules, liquids contract to form a shape that minimizes the number...

The Colloidal State

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called...

Viscosity

Viscosity

When water is poured into a glass, it falls freely and quickly, whereas if honey or maple syrup is poured over a pancake, it flows slowly and sticks to the surface of the container. This difference in the flow of different kinds of liquids arises due to the fluid friction between the liquid layers and the liquid and the surrounding material. This property of fluids is called fluid viscosity. In this example, water has a lower viscosity than honey and maple syrup.
The SI unit of viscosity is...

You might also read

Related Articles

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

Sort by

Same author

Gastric cancer hospital-based registry: real-world gastric cancer data from Latin America and Europe.

ESMO gastrointestinal oncology·2026

Same author

Integrated clinico-molecular analysis of gastric cancer in European and Latin American populations: LEGACY project.

ESMO open·2025

Same author

Multispecies Bhatnagar-Gross-Krook models and the Onsager reciprocal relations.

Physical review. E·2024

Same author

Diet quality, asthma and airway inflammation in school-aged children.

European annals of allergy and clinical immunology·2023

Same author

Nonisothermal evaporation.

Physical review. E·2023

Same author

Can a liquid drop on a substrate be in equilibrium with saturated vapor?

Physical review. E·2021

Search research articles

Related Experiment Video

Updated: Mar 12, 2026

Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films

Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films

Published on: August 18, 2018

Stability of thin liquid curtains.

E S Benilov¹, R Barros¹, S B G O'Brien¹

¹Department of Mathematics, University of Limerick, Limerick V94 T9PX, Ireland.

Physical Review. E

|November 15, 2016

Summary

Thin liquid curtains are stable to small perturbations, contrary to prior theories. Large upstream-propagating perturbations can cause instability, leading to a new stability criterion for liquid curtain dynamics.

Area of Science:

Fluid dynamics
Surface tension phenomena
Hydrodynamics

Background:

Thin liquid curtains are crucial in various industrial applications.
Previous theoretical models suggested potential instabilities in liquid curtains.
Experimental observations often contradicted theoretical predictions regarding curtain stability.

Purpose of the Study:

To investigate the stability of thin liquid curtains against two-dimensional perturbations.
To reconcile theoretical predictions with experimental findings on liquid curtain behavior.
To establish a precise stability criterion for liquid curtains.

Main Methods:

Utilizing the lubrication approximation for analyzing perturbation dynamics.
Examining perturbations with wavelengths comparable to or exceeding curtain thickness.

More Related Videos

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Published on: June 3, 2015

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Published on: January 26, 2016

Related Experiment Videos

Last Updated: Mar 12, 2026

Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films

Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films

Published on: August 18, 2018

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Published on: June 3, 2015

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Published on: January 26, 2016

Deriving an existence condition for upstream propagating perturbations.

Main Results:

Demonstrated that thin liquid curtains are stable to small perturbations, aligning with experimental data.
Identified that large perturbations can induce instability if they propagate upstream.
Confirmed that upstream propagation can disrupt the curtain at its outlet.

Conclusions:

All thin liquid curtains exhibit stability against small perturbations.
An effective stability criterion can be derived from the conditions for upstream propagating perturbations.
The study provides a refined understanding of liquid curtain stability, resolving theoretical discrepancies.