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

Mechanisms of Heat Transfer II01:20

Mechanisms of Heat Transfer II

3.3K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
3.3K
Mechanism of heat transfer01:19

Mechanism of heat transfer

1.3K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
1.3K
Mechanisms of Heat Transfer01:14

Mechanisms of Heat Transfer

390
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
390
Mechanisms of Heat Transfer I01:14

Mechanisms of Heat Transfer I

4.4K
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
4.4K
Phase Transitions: Vaporization and Condensation02:39

Phase Transitions: Vaporization and Condensation

17.8K
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...
17.8K
Heat Capacities of an Ideal Gas III01:25

Heat Capacities of an Ideal Gas III

2.3K
The number of independent ways a gas molecule can move along straight line, rotate, and vibrate is called its degrees of freedom. Supposing d represents the number of degrees of freedom of an ideal gas, the molar heat capacity at constant volume of an ideal gas in terms of d is
2.3K

You might also read

Related Articles

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

Sort by
Same author

A validated method for contact angle measurement of low surface tension fluids using a modified Wilhelmy plate technique.

Scientific reports·2026
Same author

Single-Nucleotide Polymorphisms of TAS2R46 Affect the Receptor Downstream Calcium Regulation in Histamine-Challenged Cells.

Cells·2024
Same author

Coupling radiative, conductive and convective heat-transfers in a single Monte Carlo algorithm: A general theoretical framework for linear situations.

PloS one·2023
Same author

About the Role of Falling Droplets' Sweeping in Surface Renewal during Dropwise Condensation.

Langmuir : the ACS journal of surfaces and colloids·2020
Same author

Optimization of Hybrid Sol-Gel Coating for Dropwise Condensation of Pure Steam.

Materials (Basel, Switzerland)·2020
Same author

Heat transfer intensification in an actuated heat exchanger submitted to an imposed pressure drop.

PloS one·2019

Related Experiment Video

Updated: Aug 4, 2025

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite
07:00

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Published on: March 11, 2020

7.5K

Condensation heat transfer in microgravity conditions.

Arianna Berto1, Marco Azzolin1, Stefano Bortolin1

  • 1University of Padova, Department of Industrial Engineering, Via Venezia 1, 35131, Padova, Italy.

NPJ Microgravity
|April 4, 2023
PubMed
Summary

This review examines condensation heat transfer under microgravity, focusing on filmwise and dropwise condensation. Strategies are discussed to mitigate gravity

More Related Videos

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment
11:38

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Published on: December 3, 2019

7.7K
Cryogenic Liquid Jets for High Repetition Rate Discovery Science
08:34

Cryogenic Liquid Jets for High Repetition Rate Discovery Science

Published on: May 9, 2020

3.1K

Related Experiment Videos

Last Updated: Aug 4, 2025

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite
07:00

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Published on: March 11, 2020

7.5K
Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment
11:38

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Published on: December 3, 2019

7.7K
Cryogenic Liquid Jets for High Repetition Rate Discovery Science
08:34

Cryogenic Liquid Jets for High Repetition Rate Discovery Science

Published on: May 9, 2020

3.1K

Area of Science:

  • Thermodynamics and Heat Transfer
  • Fluid Mechanics
  • Space Engineering

Background:

  • Condensation heat transfer is crucial for thermal management in various applications, including space systems.
  • Gravity significantly influences condensation phenomena, particularly liquid removal and heat transfer efficiency.
  • Existing research on microgravity condensation is limited, hindering the development of effective space-based systems.

Purpose of the Study:

  • To comprehensively review experimental and numerical studies on filmwise and dropwise condensation under microgravity.
  • To analyze the effects of gravity on condensation heat transfer in terrestrial and microgravity environments.
  • To identify strategies for optimizing condensation heat transfer in low-gravity conditions for space applications.

Main Methods:

  • Literature review of experimental and numerical studies on condensation mechanisms (filmwise and dropwise).
  • Analysis of gravity's influence on heat transfer coefficients in tubes and on surfaces.
  • Examination of flow conditions and surface properties affecting condensation in microgravity.

Main Results:

  • In-tube condensation heat transfer is less affected by gravity when mass flux increases or channel diameter decreases.
  • For dropwise condensation, gravity-dependent liquid removal is a challenge in microgravity; alternative methods include high vapor velocity or specialized surfaces.
  • Surface modifications like wettability gradients and nanostructuring offer potential for enhanced dropwise condensation in space.

Conclusions:

  • Optimizing in-tube condensation in microgravity can be achieved by manipulating mass flux and channel diameter.
  • Advanced surface engineering and high vapor velocities are key to enabling efficient dropwise condensation in space.
  • Long-duration, steady-state microgravity experiments are essential for developing reliable design tools for space condensation systems.