thermal diffusion

简明释义

热扩散

英英释义

Thermal diffusion is the process by which particles in a medium move from regions of higher temperature to regions of lower temperature, resulting in the redistribution of heat within that medium.

热扩散是指介质中粒子从高温区域向低温区域移动的过程,从而导致该介质内热量的重新分布。

例句

1.The process of thermal diffusion 热扩散 can significantly affect the temperature distribution in materials.

热扩散的过程可以显著影响材料中的温度分布。

2.The thermal diffusion 热扩散 coefficient is an important parameter in heat transfer calculations.

热扩散系数是热传递计算中的一个重要参数。

3.During welding, thermal diffusion 热扩散 can lead to changes in material properties.

在焊接过程中,热扩散可能导致材料性质的变化。

4.Understanding thermal diffusion 热扩散 helps engineers design better cooling systems.

理解热扩散有助于工程师设计更好的冷却系统。

5.In semiconductor manufacturing, thermal diffusion 热扩散 is crucial for doping processes.

在半导体制造中,热扩散对掺杂过程至关重要。

作文

Thermal diffusion is a fascinating phenomenon that plays a crucial role in various scientific and engineering applications. It refers to the process by which temperature differences within a material lead to the movement of particles, resulting in the distribution of heat. This concept is not only important in physics but also has significant implications in fields such as chemistry, biology, and materials science. Understanding thermal diffusion (热扩散) can help us better grasp how energy is transferred in different systems and how we can manipulate these processes for practical use.In essence, thermal diffusion (热扩散) occurs when there is a gradient in temperature across a substance. For example, if one end of a metal rod is heated while the other end remains cool, the particles at the hot end gain energy and begin to move more rapidly. As these energized particles collide with their cooler neighbors, they transfer some of their energy, causing the cooler particles to move faster as well. This transfer of energy continues until the temperature throughout the rod equalizes.This principle is not limited to solids; it also occurs in liquids and gases. In fact, thermal diffusion (热扩散) can be observed in everyday life, such as when you pour hot coffee into a cold cup. The heat from the coffee will start to warm the cup, demonstrating how temperature differences can drive the flow of energy.In the context of engineering, thermal diffusion (热扩散) is essential in designing heat exchangers, which are devices that transfer heat between two or more fluids. These systems rely on the principles of thermal diffusion to efficiently transfer heat, making them vital in industries such as power generation, chemical processing, and HVAC (heating, ventilation, and air conditioning). By optimizing the design of heat exchangers, engineers can improve energy efficiency and reduce operational costs.Moreover, thermal diffusion (热扩散) also has implications in environmental science. For instance, understanding how heat diffuses through soil can help scientists predict how pollutants spread in the ground. This knowledge is crucial for developing effective remediation strategies for contaminated sites.In biological systems, thermal diffusion (热扩散) is involved in processes such as thermoregulation in animals. Warm-blooded creatures, for example, maintain their body temperature through various mechanisms, including the diffusion of heat away from their bodies to regulate their internal temperature. This process is vital for survival, especially in extreme environments.In conclusion, thermal diffusion (热扩散) is a fundamental concept with wide-ranging applications across various disciplines. Its principles govern how heat and energy are transferred in materials, influencing everything from industrial processes to biological functions. By studying thermal diffusion (热扩散), we can enhance our understanding of energy transfer and develop innovative solutions to complex problems in science and technology.

热扩散是一个引人入胜的现象,在各种科学和工程应用中发挥着至关重要的作用。它指的是材料内部温度差异导致粒子运动,从而导致热量分布的过程。这个概念不仅在物理学中重要,而且在化学、生物学和材料科学等领域也具有重要意义。理解热扩散thermal diffusion)可以帮助我们更好地掌握能量如何在不同系统中转移,以及我们如何操控这些过程以便于实际使用。本质上,热扩散thermal diffusion)发生在物质内存在温度梯度时。例如,如果金属棒的一端被加热,而另一端保持冷却,那么热端的粒子会获得能量并开始更快速地运动。当这些能量增加的粒子与较冷的邻居碰撞时,它们会传递一部分能量,使较冷的粒子也开始移动得更快。这种能量的转移会持续,直到整个棒的温度均匀化。这个原理不仅限于固体;它在液体和气体中也会发生。事实上,热扩散thermal diffusion)可以在日常生活中观察到,例如,当你将热咖啡倒入冷杯子时。咖啡的热量会开始加热杯子,展示了温度差异如何驱动能量流动。在工程的背景下,热扩散thermal diffusion)在设计热交换器中至关重要,这些设备在两种或多种流体之间转移热量。这些系统依赖于热扩散的原理来有效地传递热量,使其在发电、化学加工和暖通空调(HVAC)等行业中至关重要。通过优化热交换器的设计,工程师可以提高能源效率,降低运营成本。此外,热扩散thermal diffusion)在环境科学中也有影响。例如,理解热量如何在土壤中扩散可以帮助科学家预测污染物在地下的传播。这一知识对于开发有效的污染场地修复策略至关重要。在生物系统中,热扩散thermal diffusion)涉及诸如动物的热调节等过程。例如,温血动物通过各种机制维持其体温,包括热量从其身体向外扩散,以调节其内部温度。这个过程对生存至关重要,尤其是在极端环境中。总之,热扩散thermal diffusion)是一个基本概念,具有广泛的跨学科应用。其原理支配着材料中热量和能量的转移,影响着从工业过程到生物功能的方方面面。通过研究热扩散thermal diffusion),我们可以增强对能量转移的理解,并开发出创新的解决方案,以应对科学和技术中的复杂问题。

相关单词

thermal

thermal详解:怎么读、什么意思、用法

diffusion

diffusion详解:怎么读、什么意思、用法