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

Vaporization01:18

Vaporization

34.8K
The physical form of a substance changes by changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. For vaporization to occur, kinetic energy must be greater than the intermolecular forces that keep molecules bonded. The amount of energy needed to vaporize a quantity of liquid at a given pressure and a constant temperature is called the heat of vaporization. When...
34.8K
Isochoric and Isobaric Processes01:21

Isochoric and Isobaric Processes

3.5K
A thermodynamic process that occurs at constant volume is called an isochoric process. According to the first law of thermodynamics, heat supplied or removed from the system is partially utilized to perform work and change the internal energy of the system. However, in an isochoric process, the volume remains constant. Hence, the work done by the system is zero. Therefore, the exchange of heat changes the internal energy of the system only. 
Suppose 1000 g of water is heated from 40...
3.5K
Phase Transitions: Vaporization and Condensation02:39

Phase Transitions: Vaporization and Condensation

17.7K
The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. Vaporization occurs when the thermal motion of the molecules overcome the intermolecular forces, and the molecules (at the surface) escape into the gaseous state. When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase...
17.7K
Distillation: Vapor–Liquid Equilibria01:01

Distillation: Vapor–Liquid Equilibria

2.9K
Distillation is a separation technique that takes advantage of the boiling point properties of disparate elements in a mixture. To perform distillation, we begin by heating a miscible mixture of two liquids with a significant difference in boiling points (at least 20°C). As the solution heats up and reaches the bubble point of the more volatile component, some molecules of the more volatile component transition into the gas phase and travel upward into the condenser, which is a glass tube...
2.9K
Vapor Pressure Lowering03:28

Vapor Pressure Lowering

27.2K
The equilibrium vapor pressure of a liquid is the pressure exerted by its gaseous phase when vaporization and condensation are occurring at equal rates:
 
Dissolving a nonvolatile substance in volatile liquid results in a lowering of the liquid’s vapor pressure. This phenomenon can be explained by considering the effect of added solute molecules on the liquid's vaporization and condensation processes. To vaporize, solvent molecules must be present at the surface of the solution....
27.2K
Freezing Point Depression and Boiling Point Elevation03:12

Freezing Point Depression and Boiling Point Elevation

35.2K
Boiling Point Elevation
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
35.2K

You might also read

Related Articles

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

Sort by
Same author

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

Physical review. E·2024
Same author

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

Physical review. E·2021
Same author

Nonexistence of two-dimensional sessile drops in the diffuse-interface model.

Physical review. E·2020
Same author

Dependence of the surface tension and contact angle on the temperature, as described by the diffuse-interface model.

Physical review. E·2020
Same author

Peculiar property of noble gases and its explanation through the Enskog-Vlasov model.

Physical review. E·2019
Same author

Energy conservation and H theorem for the Enskog-Vlasov equation.

Physical review. E·2018
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
See all related articles

Related Experiment Video

Updated: Jul 30, 2025

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.8K

Nonisothermal evaporation.

E S Benilov1

  • 1Department of Mathematics and Statistics, University of Limerick, Limerick V94 T9PX, Ireland.

Physical Review. E
|May 18, 2023
PubMed
Summary
This summary is machine-generated.

Nonisothermal evaporation significantly impacts liquid layer dynamics. Substrate temperature control is crucial for predictable evaporation rates, unlike insulated conditions where evaporation slows to zero.

More Related Videos

A High Performance Impedance-based Platform for Evaporation Rate Detection
06:39

A High Performance Impedance-based Platform for Evaporation Rate Detection

Published on: October 17, 2016

6.6K
Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine
08:16

Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine

Published on: March 13, 2017

14.0K

Related Experiment Videos

Last Updated: Jul 30, 2025

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.8K
A High Performance Impedance-based Platform for Evaporation Rate Detection
06:39

A High Performance Impedance-based Platform for Evaporation Rate Detection

Published on: October 17, 2016

6.6K
Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine
08:16

Ice Generation and the Heat and Mass Transfer Phenomena of Introducing Water to a Cold Bath of Brine

Published on: March 13, 2017

14.0K

Area of Science:

  • Fluid dynamics
  • Thermodynamics
  • Surface science

Background:

  • Evaporation studies often assume constant temperature (isothermality).
  • Real-world evaporation involves temperature variations, affecting the process.
  • Understanding nonisothermal effects is key for accurate modeling.

Purpose of the Study:

  • To investigate liquid layer evaporation without the isothermality assumption.
  • To analyze the influence of substrate temperature conditions on evaporation rates.
  • To quantify nonisothermal evaporation using a diffuse-interface model.

Main Methods:

  • Analysis of evaporation considering temperature variations.
  • Qualitative estimation of evaporation rates under different substrate thermal conditions.
  • Application of the diffuse-interface model for quantitative predictions.

Main Results:

  • Nonisothermal evaporation rate depends critically on substrate temperature maintenance.
  • Thermally insulated substrates lead to evaporative cooling and near-zero evaporation over time.
  • Fixed substrate temperature allows sustained evaporation, predictable from fluid properties and layer depth.

Conclusions:

  • The isothermality assumption is a significant simplification in evaporation studies.
  • Substrate thermal management is essential for controlling and predicting evaporation.
  • The diffuse-interface model provides a robust framework for nonisothermal evaporation analysis.