Related Experiment Video
Updated: Jan 17, 2026

09:01
High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
Published on: April 16, 2017
8.1K
Composite coating with engineered microparticles for multiband infrared stealth and efficient radiative heat
Applied Optics
|September 22, 2025
Summary
This study introduces a novel particle composite coating that resolves the conflict between infrared stealth and thermal management. The advanced material ensures effective heat dissipation while maintaining crucial camouflage capabilities for military applications.
Area of Science:
- Materials Science
- Nanotechnology
- Military Technology
Background:
- The conflict between infrared stealth and thermal management presents a significant challenge in military technology.
- Suppressing thermal emission for camouflage leads to detrimental heat accumulation.
Purpose of the Study:
- To resolve the paradox between infrared stealth and thermal management.
- To design and validate a particle composite coating with engineered spectral selectivity.
Main Methods:
- Computationally designed a multilayer spherical particle: Calcium Magnesium Carbonate (CaMg(CO3)2) shell, Vanadium Dioxide (VO2) inner shell, and Germanium (Ge) core.
- Embedded the particle in a Polyethylene (PE) binder.
- Validated spectral control and thermal properties through simulations.
Main Results:
- Achieved high average emissivity in VIS-NIR (0.6471) and 5-8 µm band (0.5091) for thermal radiation.
- Maintained exceptionally low emissivity in atmospheric window bands (SWIR: 0.2326, MWIR: 0.3208, LWIR: 0.0915) for stealth.
- Simulated thermal imaging confirmed superior stealth performance.
Conclusions:
- The designed particle composite coating effectively balances infrared stealth and thermal management.
- This offers a scalable strategy for next-generation materials in military applications.
- The single-particle spectral engineering approach provides precise control over thermal emission.
Related Concept Videos
Mechanism of heat transfer
1.9K
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...
1.9K
Mechanisms of Heat Transfer II
4.2K
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...
4.2K
Mechanisms of Heat Transfer
1.6K
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...
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...
1.6K
Conduction, Convection and Radiation: Problem Solving
2.3K
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...
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...
2.3K
Mechanisms of Heat Transfer I
5.9K
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.
5.9K
Thermal Insulation in Masonry Walls
492
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.
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
492

