thermal equilibrium

简明释义

热平衡

英英释义

例句

1.An ice cube will melt until it achieves thermal equilibrium 热平衡 with the warmer liquid.

冰块会融化，直到它与较温暖的液体达到热平衡。

2.When two objects are placed in contact, they will eventually reach thermal equilibrium 热平衡 if no heat is added or removed.

当两个物体接触时，如果没有热量被添加或移除，它们最终会达到热平衡。

3.A cup of coffee will cool down until it reaches thermal equilibrium 热平衡 with the surrounding air.

一杯咖啡会冷却，直到它与周围空气达到热平衡。

4.In a closed system, the law of conservation of energy ensures that the temperatures will equalize at thermal equilibrium 热平衡.

在一个封闭系统中，能量守恒定律确保温度将在热平衡时达到相等。

5.The concept of thermal equilibrium 热平衡 is crucial in understanding heat transfer processes.

理解热传递过程时，热平衡的概念至关重要。

作文

Thermal equilibrium is a fundamental concept in thermodynamics that refers to the state in which two or more bodies or systems reach the same temperature and, as a result, there is no net flow of thermal energy between them. This state is crucial for understanding various physical processes, from everyday phenomena to complex scientific theories. In essence, when objects are in thermal equilibrium (热平衡), they are in a stable condition where heat transfer ceases because they share the same thermal energy. To illustrate this concept, consider a simple example involving a hot cup of coffee placed on a table. Initially, the coffee is much hotter than the surrounding air and the table. As time passes, heat flows from the coffee to the cooler surroundings until the temperature of the coffee decreases and the temperature of the table and air increases. Eventually, the coffee, the table, and the air will reach a point where their temperatures are equal; at this point, they are said to be in thermal equilibrium (热平衡). This process highlights the natural tendency of systems to move towards equilibrium, driven by the second law of thermodynamics, which states that heat naturally flows from hotter to cooler objects. In more scientific terms, thermal equilibrium (热平衡) can be described using the zeroth law of thermodynamics. This law states that if two systems are each in thermal equilibrium with a third system, then they are in thermal equilibrium with each other. This principle allows us to define temperature as a measurable quantity, as it indicates the degree of thermal energy present in a system. Understanding thermal equilibrium (热平衡) is not only important in physics but also has practical applications in various fields. For instance, in engineering, the design of heat exchangers relies heavily on the principles of thermal equilibrium to maximize efficiency in transferring heat between two fluids. Similarly, in environmental science, understanding how different materials reach thermal equilibrium can help predict climate patterns and the behavior of ecosystems. Moreover, the concept of thermal equilibrium (热平衡) plays a significant role in the study of phase transitions. When a substance changes from one state of matter to another, such as from solid to liquid, it often involves reaching a state of thermal equilibrium with its surroundings. For example, when ice melts into water, it absorbs heat from the environment until it reaches a temperature where both the ice and water coexist in equilibrium. In conclusion, thermal equilibrium (热平衡) is a vital concept that underpins many aspects of physics and engineering. It describes the condition where systems reach the same temperature, leading to no net heat transfer. This principle not only helps explain everyday phenomena but also provides a framework for understanding complex scientific processes. By grasping the implications of thermal equilibrium (热平衡), we can better appreciate the intricate interactions between energy, matter, and the environment.

热平衡是热力学中的一个基本概念，指的是两个或多个物体或系统达到相同温度的状态，因此它们之间没有热能的净流动。这个状态对于理解各种物理过程至关重要，从日常现象到复杂的科学理论。简单来说，当物体处于热平衡（thermal equilibrium）时，它们处于一种稳定的状态，热量转移停止，因为它们共享相同的热能。为了说明这一概念，可以考虑一个简单的例子：一杯热咖啡放在桌子上。最初，咖啡的温度远高于周围的空气和桌子。随着时间的推移，热量从咖啡流向较冷的周围环境，直到咖啡的温度下降，桌子和空气的温度上升。最终，咖啡、桌子和空气将达到一个点，它们的温度相等；此时，它们被称为处于热平衡（thermal equilibrium）状态。这个过程突显了系统趋向平衡的自然倾向，这一倾向受到热力学第二定律的驱动，该定律指出热量自然地从较热的物体流向较冷的物体。从更科学的角度来看，热平衡（thermal equilibrium）可以通过热力学零定律来描述。该定律指出，如果两个系统各自与第三个系统处于热平衡状态，那么它们彼此也处于热平衡状态。这个原则使我们能够将温度定义为一个可测量的量，因为它表示系统中存在的热能的程度。理解热平衡（thermal equilibrium）不仅在物理学中重要，而且在各个领域都有实际应用。例如，在工程学中，热交换器的设计在很大程度上依赖于热平衡的原理，以最大化在两种流体之间传递热量的效率。同样，在环境科学中，理解不同材料如何达到热平衡可以帮助预测气候模式和生态系统的行为。此外，热平衡（thermal equilibrium）概念在相变研究中也发挥着重要作用。当物质从一种物态转变为另一种物态，例如从固态转变为液态时，通常涉及与其周围环境达到热平衡状态。例如，当冰融化成水时，它会从环境中吸收热量，直到达到冰和水共存于平衡状态的温度。总之，热平衡（thermal equilibrium）是支撑物理学和工程学许多方面的重要概念。它描述了系统达到相同温度的状态，导致没有净热量转移。这个原则不仅有助于解释日常现象，还提供了理解复杂科学过程的框架。通过掌握热平衡（thermal equilibrium）的含义，我们可以更好地欣赏能量、物质和环境之间错综复杂的相互作用。