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

Thermosensation01:43

Thermosensation

32.7K
Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
32.7K
Le Chatelier's Principle: Changing Temperature02:19

Le Chatelier's Principle: Changing Temperature

32.3K
Consistent with the law of mass action, an equilibrium stressed by a change in concentration will shift to re-establish equilibrium without any change in the value of the equilibrium constant, K. When an equilibrium shifts in response to a temperature change, however, it is re-established with a different relative composition that exhibits a different value for the equilibrium constant.
To understand this phenomenon, consider the elementary reaction:
32.3K
Joule-Thomson Effect01:21

Joule-Thomson Effect

6.5K
The Joule-Thomson effect, also known as the Joule-Kelvin effect, describes the temperature change of a fluid when it is forced through a valve or porous plug while keeping it in a thermally insulated environment. This experiment is called a throttling process. This is an important effect widely used in refrigeration and the liquefaction of gases.
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...
6.5K
Thermoregulation01:26

Thermoregulation

1.7K
The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...
1.7K
Effects of Temperature on Free Energy02:11

Effects of Temperature on Free Energy

26.7K
The spontaneity of a process depends upon the temperature of the system. Phase transitions, for example, will proceed spontaneously in one direction or the other depending upon the temperature of the substance in question. Likewise, some chemical reactions can also exhibit temperature-dependent spontaneities. To illustrate this concept, the equation relating free energy change to the enthalpy and entropy changes for the process is considered:
26.7K
Temperature and Thermal Equilibrium01:11

Temperature and Thermal Equilibrium

7.8K
Heat and temperature are essential concepts for everyone every day. The study of heat and temperature is part of an area of physics known as thermodynamics. It is not always easy to distinguish heat and temperature.
The concept of temperature has evolved from the common concepts of hot and cold. The scientific definition of temperature explains more than just our sense of hot and cold. Temperature is operationally defined as the quantity measured with a thermometer. Furthermore, temperature is...
7.8K

You might also read

Related Articles

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

Sort by
Same author

Ultra-quick dynamics and acrobatics of viscous marbles.

Nature communications·2026
Same author

Bimodal dynamics of viscous pearls.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

On the lifetime of a coffee drop.

Soft matter·2026
Same author

Temporal power of a cycling sprinter: experiments and effective time theory.

Proceedings. Biological sciences·2025
Same author

Measure of high contact angles.

Soft matter·2025
Same author

Toward vanishing droplet friction on repellent surfaces.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same journal

Nanopore sequencing with proteins: synchronization and dischronization of molecular dynamics simulations with laboratory and industrial developments.

Soft matter·2026
Same journal

Catanionics from biosurfactants and regular surfactants: miscibility and structure.

Soft matter·2026
Same journal

Adhesives with a thickness smaller than the fractocohesive length enhance adhesion.

Soft matter·2026
Same journal

Non-equilibrium phase transitions in hybrid Voronoi models of cell colonies.

Soft matter·2026
Same journal

Effects of methoxy substituents on self-assembly and gelation performance of benzamide-based organogelators.

Soft matter·2026
Same journal

Rheology of <i>Escherichia coli</i> suspensions with various bacterial morphologies and motion characteristics.

Soft matter·2026
See all related articles

Related Experiment Video

Updated: Oct 31, 2025

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

6.7K

Thermophobic Leidenfrost.

Ambre Bouillant1,2, Baptiste Lafoux1,2, Christophe Clanet1,2

  • 1Physique & Mécanique des Milieux Hétérogènes, UMR 7636 du CNRS, ESPCI, 75005 Paris, France.

Soft Matter
|June 28, 2021
PubMed
Summary
This summary is machine-generated.

Volatile liquids and sublimating solids levitate on hot surfaces and spontaneously move towards cooler areas. This thermophobic effect, driven by temperature gradients, allows for controlled manipulation of Leidenfrost drops.

More Related Videos

The Use of High-resolution Infrared Thermography HRIT for the Study of Ice Nucleation and Ice Propagation in Plants
09:36

The Use of High-resolution Infrared Thermography HRIT for the Study of Ice Nucleation and Ice Propagation in Plants

Published on: May 8, 2015

9.7K
A Temperature Gradient Assay to Determine Thermal Preferences of Drosophila Larvae
08:59

A Temperature Gradient Assay to Determine Thermal Preferences of Drosophila Larvae

Published on: June 25, 2018

7.8K

Related Experiment Videos

Last Updated: Oct 31, 2025

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

6.7K
The Use of High-resolution Infrared Thermography HRIT for the Study of Ice Nucleation and Ice Propagation in Plants
09:36

The Use of High-resolution Infrared Thermography HRIT for the Study of Ice Nucleation and Ice Propagation in Plants

Published on: May 8, 2015

9.7K
A Temperature Gradient Assay to Determine Thermal Preferences of Drosophila Larvae
08:59

A Temperature Gradient Assay to Determine Thermal Preferences of Drosophila Larvae

Published on: June 25, 2018

7.8K

Area of Science:

  • Physics
  • Fluid Dynamics
  • Materials Science

Background:

  • The Leidenfrost effect describes liquid droplets levitating on a hot surface due to a vapor layer.
  • Previous studies focused on the levitation aspect, not the directional movement of droplets.

Purpose of the Study:

  • To investigate the spontaneous movement of levitating droplets on temperature-gradient surfaces.
  • To understand the underlying physics of this thermophobic effect and its potential applications.

Main Methods:

  • Depositing volatile liquids and sublimating solids onto substrates with controlled temperature gradients.
  • Observing and quantifying droplet behavior, including levitation and acceleration.
  • Systematically varying parameters such as drop size and substrate temperature.

Main Results:

  • Levitating droplets exhibit spontaneous acceleration towards colder regions of the substrate.
  • This thermophobic effect is linked to temperature-induced tilting of the droplet base, creating a directional force.
  • Droplet acceleration increases with drop size and decreases with higher substrate temperatures.

Conclusions:

  • Temperature gradients can induce directional motion in levitating droplets, a phenomenon termed thermophobicity.
  • This effect offers a novel method for controlling, guiding, and potentially trapping Leidenfrost drops.
  • The findings have implications for microfluidics, heat transfer, and self-propelling systems.