从目标考虑辐射热传输的高温热伪装装置
Zeyu Lin1, Xiaohong Wang1,2,3, Jiangtai Lin1
1Department of Civil Engineering and Smart Cities, College of Engineering, Shantou University, Shantou 515063, China.
Micromachines
|August 28, 2025
概括
这项研究引入了一种新型的热伪装装置, 它确保了设备和背景之间的同步热传输,以有效地隐藏红外探测.
科学领域:
- 物理
- 材料科学
- 工程
背景情况:
- 热伪装通过操纵热流来隐藏物体的红外探测.
- 现有的方法往往忽略了目标本身的辐射热传递.
- 斯蒂芬-博尔茨曼定律规定热辐射与温度的第四次数 (T4) 相称.
研究的目的:
- 提出一个热伪装装置,以解决发热目标的辐射热传递.
- 在设备和背景表面上开发同步传热的策略.
- 加强高功率电子和红外敏感系统的热管理.
主要方法:
- 开发一种新型的热伪装装置设计.
- 数字模拟以验证设备的可行性和性能.
- 影响性能的目标参数 (几何,位置,温度,辐射率) 的分析.
主要成果:
- 数字模拟证实了拟议的热伪装策略的可行性.
- 该装置有效地管理了从目标的辐射热传输.
- 通过调整目标和设备参数来优化性能.
结论:
- 拟议的装置提供了一个先进的热伪装解决方案,考虑到辐射热传递.
- 这项技术在红外隐形,热诊断和节能散热方面具有重要应用.
- 它推进了高功率电子和红外敏感系统的热管理策略.
相关概念视频
Absorption of Radiation
819
The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
819
Mechanisms of Heat Transfer II
3.5K
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...
3.5K
Mechanism of heat transfer
1.4K
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...
1.4K
Mechanisms of Heat Transfer
492
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...
492
Mechanisms of Heat Transfer I
4.6K
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.
4.6K
Conduction, Convection and Radiation: Problem Solving
1.4K
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...
1.4K


