thermal energy

简明释义

热能

英英释义

例句

1.The thermal energy produced by a campfire can keep you warm on a cold night.

篝火产生的热能可以在寒冷的夜晚让你保持温暖。

2.When you boil water, you are converting electrical energy into thermal energy.

当你煮水时，你正在将电能转换为热能。

3.In geothermal power plants, thermal energy from the Earth is used to generate electricity.

在地热电站中，来自地球的热能被用于发电。

4.Insulation helps to retain thermal energy in buildings during winter.

绝缘材料帮助在冬季保持建筑物内的热能。

5.The sun provides us with a significant amount of thermal energy.

太阳为我们提供了大量的热能。

作文

Thermal energy is a fundamental concept in the study of physics and engineering. It refers to the total kinetic energy of particles in a substance, which is directly related to its temperature. The higher the temperature of an object, the more kinetic energy its particles possess, resulting in increased thermal energy (热能). Understanding thermal energy (热能) is crucial for various applications, including heating systems, engines, and even in our daily lives when we cook or use electrical appliances.In everyday terms, we often experience thermal energy (热能) without realizing it. For instance, when we touch a warm surface, we can feel the heat being transferred from that surface to our skin. This transfer of heat occurs due to the movement of particles, which is a direct manifestation of thermal energy (热能). The concept is not only limited to warm objects; even cold objects possess thermal energy (热能), although in lesser amounts compared to warmer ones.One interesting aspect of thermal energy (热能) is its role in phase changes. When a solid is heated, it may melt into a liquid, and this transformation requires an input of thermal energy (热能). Similarly, when a liquid is heated to its boiling point, it transforms into a gas, which again involves the absorption of thermal energy (热能). These processes demonstrate how thermal energy (热能) is essential in changing the states of matter, which is a key principle in thermodynamics.Moreover, thermal energy (热能) plays a significant role in our environment. The sun is a primary source of thermal energy (热能) for the Earth. Solar radiation warms the planet's surface, influencing weather patterns and ecosystems. Plants utilize this thermal energy (热能) through photosynthesis, converting it into chemical energy, which sustains life on Earth. This interconnectedness emphasizes the importance of thermal energy (热能) in maintaining ecological balance.In engineering, the harnessing of thermal energy (热能) is vital for energy production. Power plants often convert thermal energy (热能) from burning fossil fuels or nuclear reactions into electrical energy. This process typically involves heating water to produce steam, which drives turbines to generate electricity. However, the efficiency of these processes is a significant concern, as much of the thermal energy (热能) is lost as waste heat. Therefore, engineers are constantly seeking ways to improve the efficiency of energy conversion and utilize thermal energy (热能) more effectively.In conclusion, thermal energy (热能) is an integral part of our physical world, influencing everything from the simplest daily activities to complex industrial processes. A deeper understanding of thermal energy (热能) not only enhances our grasp of scientific principles but also informs our approach to energy conservation and environmental stewardship. By recognizing the significance of thermal energy (热能) in various contexts, we can better appreciate its role in shaping our lives and the planet we inhabit.

热能是物理学和工程学研究中的一个基本概念。它指的是物质中粒子的总动能，这与物质的温度直接相关。物体的温度越高，其粒子所具有的动能就越大，导致增加的热能（thermal energy）。理解热能（thermal energy）对于各种应用至关重要，包括供暖系统、发动机，甚至在我们日常生活中烹饪或使用电器时。在日常生活中，我们经常在不知不觉中体验到热能（thermal energy）。例如，当我们触摸一个温暖的表面时，可以感受到热量从该表面传递到我们的皮肤。这种热量的转移是由于粒子的运动，这是热能（thermal energy）的直接表现。这个概念不仅限于温暖的物体；即使是冷物体也具有热能（thermal energy），尽管与温暖物体相比，它的数量较少。热能（thermal energy）一个有趣的方面是它在相变中的作用。当固体被加热时，它可能会融化成液体，这一转变需要输入热能（thermal energy）。同样，当液体被加热到沸点时，它会转变为气体，这同样涉及到吸收热能（thermal energy）。这些过程展示了热能（thermal energy）在改变物质状态中的重要性，这是热力学中的一个关键原则。此外，热能（thermal energy）在我们的环境中扮演着重要角色。太阳是地球的主要热能（thermal energy）来源。太阳辐射加热地球表面，影响天气模式和生态系统。植物通过光合作用利用这种热能（thermal energy），将其转化为化学能，从而维持地球上的生命。这种相互联系强调了热能（thermal energy）在维持生态平衡中的重要性。在工程领域，利用热能（thermal energy）对能源生产至关重要。发电厂通常将燃烧化石燃料或核反应产生的热能（thermal energy）转化为电能。这个过程通常涉及加热水以产生蒸汽，驱动涡轮机发电。然而，这些过程的效率是一个重要问题，因为大量的热能（thermal energy）作为废热损失。因此，工程师们不断寻求提高能量转换效率的方法，更有效地利用热能（thermal energy）。总之，热能（thermal energy）是我们物理世界中不可或缺的一部分，影响着从最简单的日常活动到复杂的工业过程的方方面面。对热能（thermal energy）的更深入理解不仅增强了我们对科学原理的掌握，也为我们的能源节约和环境管理提供了指导。通过认识到热能（thermal energy）在各种背景下的重要性，我们可以更好地欣赏它在塑造我们的生活和我们所居住的星球中的作用。