Jove
Visualize
Contact Us

Related Concept Videos

Mechanisms of Heat Transfer II01:20

Mechanisms of Heat Transfer II

3.9K
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...
3.9K
Mechanisms of Heat Transfer I01:14

Mechanisms of Heat Transfer I

5.4K
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.
5.4K
Mechanisms of Heat Transfer01:14

Mechanisms of Heat Transfer

1.1K
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...
1.1K
Mechanism of heat transfer01:19

Mechanism of heat transfer

1.6K
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...
1.6K
Radiation: Applications01:17

Radiation: Applications

1.5K
The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
1.5K
Conduction, Convection and Radiation: Problem Solving01:20

Conduction, Convection and Radiation: Problem Solving

2.0K
There are three methods by which heat transfer can take place: conduction, convection, and radiation. Each method has unique and interesting characteristics, but all three have two things in common: they transfer heat solely because of a temperature difference; and the greater the temperature difference, the faster the heat transfer.
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
2.0K

You might also read

Related Articles

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

Sort by
Same author

TCAD simulations of a barrier structure designed to improve the performance of very-low bandgap InAs/InAsSb thermophotovoltaic cells.

Optics express·2025
Same author

Local Heat Dissipation and Elasticity of Suspended Silicon Nanowires Revealed by Dual Scanning Electron and Thermal Microscopies.

Small (Weinheim an der Bergstrasse, Germany)·2023
Same author

Near-Field Thermophotovoltaic Conversion with High Electrical Power Density and Cell Efficiency above 14.

Nano letters·2021
Same author

New insights into the thermal behavior and management of thermophotovoltaic systems.

Optics express·2019
Same author

Micron-sized liquid nitrogen-cooled indium antimonide photovoltaic cell for near-field thermophotovoltaics.

Optics express·2019
Same author

Pathways for mitigating thermal losses in solar photovoltaics.

Scientific reports·2018
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 Experiment Video

Updated: Nov 19, 2025

Characterization of Thermal Transport in One-dimensional Solid Materials
05:20

Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

18.7K

Radiative heat transfer at the nanoscale: experimental trends and challenges.

Christophe Lucchesi1, Rodolphe Vaillon, Pierre-Olivier Chapuis

  • 1Univ Lyon, CNRS, INSA-Lyon, Université Claude Bernard Lyon 1, CETHIL UMR5008, F-69621 Villeurbanne, France. christophe.lucchesi@insa-lyon.fr olivier.chapuis@insa-lyon.fr.

Nanoscale Horizons
|February 3, 2021
PubMed
Summary
This summary is machine-generated.

Nanoscale energy transport breaks classical laws. Near-field radiative heat transfer is enhanced by nanotechnology, opening doors for thermal energy harvesting and sensing applications.

More Related Videos

Tethered Bilayer Lipid Membranes to Monitor Heat Transfer between Gold Nanoparticles and Lipid Membranes
07:33

Tethered Bilayer Lipid Membranes to Monitor Heat Transfer between Gold Nanoparticles and Lipid Membranes

Published on: December 8, 2020

2.9K
High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
09:01

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

8.0K

Related Experiment Videos

Last Updated: Nov 19, 2025

Characterization of Thermal Transport in One-dimensional Solid Materials
05:20

Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

18.7K
Tethered Bilayer Lipid Membranes to Monitor Heat Transfer between Gold Nanoparticles and Lipid Membranes
07:33

Tethered Bilayer Lipid Membranes to Monitor Heat Transfer between Gold Nanoparticles and Lipid Membranes

Published on: December 8, 2020

2.9K
High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
09:01

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

8.0K

Area of Science:

  • Nanoscale physics
  • Thermal radiation
  • Electromagnetism

Background:

  • Classical energy transport laws fail at the nanoscale.
  • Macroscopic theories for thermal radiation (e.g., Planck's law) are insufficient for sub-wavelength dimensions.
  • Nanotechnology enables experimental verification of enhanced radiative heat transfer at the nanoscale.

Purpose of the Study:

  • To review the investigated parameter space in nanoscale radiative heat transfer.
  • To explore potential applications in thermal energy harvesting, sensing, and management.
  • To identify open research topics and challenges in thermal nanophotonics.

Main Methods:

  • Review of experimental verifications of nanoscale radiative heat transfer.
  • Analysis of electromagnetic frameworks for near-field radiative heat transfer.
  • Exploration of parameter space including inter-body distance, temperature, and object size.

Main Results:

  • Significant increase in radiative heat transfer observed at the nanoscale.
  • Current investigations are limited in explored parameter space (distance, temperature, size).
  • Emerging applications in thermal energy harvesting, sensing, and management.

Conclusions:

  • Thermal nanophotonics offers significant promise for advanced thermal management and energy applications.
  • Challenges remain in applying single-wavelength approaches to broadband emitters.
  • Further research is needed, including exploring molecular/chemical viewpoints.