在旋转的半导体中具有可变导热率的分量导热
Ibrahim S Elshazly1, Farouq Alshormani2, M Abou El Nasr3
1Department of Basic Sciences, Common First Year, King Saud University, 11451, Riyadh, Saudi Arabia. iali2.c@ksu.edu.sa.
Scientific reports
|October 7, 2025
概括
本研究提出了水半导体中波传播的新模型,集成了分量热导和温度依赖导电性. 研究结果揭示了这些因素如何共同影响先进半导体系统中的热,机械和载波.
科学领域:
- 固态物理 固态物理
- 材料科学 材料科学 材料科学
- 连续力学 连续力学
背景情况:
- 传统的热弹性模型往往简化了热传导和材料特性.
- 分析半导体中的波传播需要考虑复杂的热和机械相互作用.
- 非局部和内存依赖的效应对于理解高级半导体行为至关重要.
研究的目的:
- 为半导体开发一个统一的光热弹性模型.
- 为了结合分数顺序的导热,温度依赖的导热率和旋转效应.
- 为了研究这些因素对波浪传播的结合影响.
主要方法:
- 开发一种新的理论框架,将非局部分量热传输与可变导热率结合起来.
- 应用正常模式方法来获得分析溶液.
- 数字模拟用于分析热,机械和载波行为.
主要成果:
- 分数导数和取决于温度的导电性显著改变波传播特性.
- 该模型捕捉了非局部,记忆驱动和异型运输现象.
- 证明了与经典热弹性预测的偏差.
结论:
- 拟议的框架提供了更全面的了解,在先进的半导体系统中波传播.
- 突出了半导体物理学中非局部和记忆效应的重要性.
- 提供了超出传统热弹性模型范围的新的物理见解.
相关概念视频
01:20Mechanisms 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
01:14Mechanisms 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
01:14Mechanisms 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
01:19Mechanism 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
01:20Conduction, Convection and Radiation: Problem Solving
2.2K
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...
2.2K
01:12Heat Flow and Specific Heat
6.6K
Heat is a type of energy transfer that is caused by a temperature difference, and it can change the temperature of an object. Since heat is a form of energy, its SI unit is the joule (J). Another common unit of energy often used for heat is the calorie (cal), which is defined as the energy needed to change the temperature of 1 g of water by 1 °C, specifically between 14.5 °C and 15.5 °C, since the energy needed shows a slight temperature dependence. Another commonly used unit is...
6.6K