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Mechanism of heat transfer

Mechanism of heat transfer

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...

Mechanisms of Heat Transfer

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Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
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Mechanisms of Heat Transfer II

Mechanisms of Heat Transfer II

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...

Thermal Stress

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If the temperature of an object is changed while it is prevented from expanding or contracting, the object is subjected to stress. The stress is compressive if the object expands in the absence of constraint and tensile if it contracts. This stress resulting from temperature change is known as thermal stress. It can be quite large and can cause damage. To avoid this stress, engineers may design components so they can expand and contract freely. For instance, on highways, gaps are deliberately...

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In hot, dry climates, the thermal mass of masonry walls can be beneficial, absorbing heat during the day and releasing it at night, thereby stabilizing indoor temperatures. However, in most other climates, additional insulation is necessary to enhance thermal resistance.
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Mechanisms of Heat Transfer I

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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.

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Updated: Jan 10, 2026

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere

Published on: April 30, 2018

MXenes for Infrared Thermal Management.

Tufail Hassan¹, Changhoon Park², Shabbir Madad Naqvi¹

¹School of Advanced Materials Science and Engineering, Sungkyunkwan University, Seobu-ro 2066, Jangan-gu, Suwon-si, Gyeonggi-do 16419, Republic of Korea.

|November 28, 2025

Summary

This summary is machine-generated.

Two-dimensional (2D) MXenes offer advanced thermal management solutions due to their unique properties like high conductivity and tunable infrared emissivity. This review explores MXene materials and their applications in thermal management technologies.

Keywords:

MXenes anticounterfeiting camouflage electrothermal infrared radiation optical properties photothermal spectral selectivity thermal management thermal therapy

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Area of Science:

Materials Science
Nanotechnology
Thermal Engineering

Background:

Two-dimensional (2D) MXenes are emerging materials with unique properties.
These properties include high electrical conductivity, broadband optical absorption, tunable infrared (IR) emissivity, and anisotropic thermal conductivity.
These characteristics make them suitable for advanced thermal management.

Purpose of the Study:

To provide a comprehensive review of MXene interaction with IR radiation.
To overview MXene-based thermal management strategies.
To highlight fundamental mechanisms governing spectral response, heat generation, transfer, and radiative emission.

Main Methods:

Review of existing literature on MXene materials and their thermal properties.
Analysis of MXene's interaction with infrared radiation.
Exploration of MXene-based thermal management strategies and applications.

Main Results:

MXenes exhibit versatile IR interaction and tunable emissivity.
MXene-based materials (films, coatings, aerogels, fibers, composites) show promise in various applications.
Applications include thermal insulation, IR camouflage, photothermal therapy, solar desalination, and deicing.

Conclusions:

MXenes are highly promising for next-generation thermal management.
Further research is needed to address challenges and optimize material design.
Future directions include developing advanced MXene-based materials for diverse applications.