thermal conduction

简明释义

热导

英英释义

例句

1.In metals, thermal conduction 热传导 is very efficient due to the free movement of electrons.

在金属中，thermal conduction 热传导 非常高效，因为电子可以自由移动。

2.The thermal conduction 热传导 in liquids is generally slower than in solids.

液体中的 thermal conduction 热传导 通常比固体要慢。

3.A good conductor of heat has high thermal conduction 热传导 properties.

良好的导热体具有高 thermal conduction 热传导 性能。

4.When cooking, the thermal conduction 热传导 from the pan to the food is crucial for even heating.

在烹饪时，锅与食物之间的 thermal conduction 热传导 对于均匀加热至关重要。

5.Insulating materials are designed to reduce thermal conduction 热传导 and keep heat inside a building.

绝缘材料旨在减少 thermal conduction 热传导 ，以保持建筑物内的热量。

作文

Thermal conduction is a fundamental concept in physics that describes the process by which heat energy is transferred through materials. This transfer occurs at the molecular level, where faster-moving particles collide with slower-moving ones, imparting energy and causing an increase in temperature. Understanding thermal conduction (热传导) is essential in various fields, including engineering, meteorology, and even everyday life. One of the most common examples of thermal conduction (热传导) can be observed when a metal spoon is placed in a hot cup of coffee. As the spoon heats up, the heat from the coffee transfers to the spoon through thermal conduction (热传导). The metal's atomic structure allows for efficient energy transfer due to its closely packed atoms, which facilitate quick collisions between particles. This phenomenon explains why metal utensils can become hot quickly when used in cooking or serving hot food. The rate of thermal conduction (热传导) depends on several factors, including the material's thermal conductivity, temperature difference, and the area through which heat is being transferred. For instance, metals like copper and aluminum have high thermal conductivity, making them excellent choices for cookware and heat exchangers. In contrast, materials like wood and plastic have low thermal conductivity, which makes them better insulators. In construction, understanding thermal conduction (热传导) is crucial for energy efficiency. Buildings are designed with materials that minimize heat loss in winter and heat gain in summer. Insulation materials, such as fiberglass and foam, are used to slow down thermal conduction (热传导), keeping indoor environments comfortable while reducing energy costs. By improving insulation, homeowners can create a more sustainable living space that requires less heating and cooling. In the context of climate change, thermal conduction (热传导) plays a significant role in understanding how heat is distributed in the environment. For example, oceans absorb vast amounts of solar energy, and the thermal conduction (热传导) of this heat affects weather patterns and marine ecosystems. Scientists study these interactions to predict climate changes and develop strategies for mitigating their impact. Moreover, thermal conduction (热传导) is not limited to solid materials; it also occurs in fluids and gases, albeit at different rates. In liquids, the movement of molecules allows for heat transfer, but convection currents often play a more significant role. In gases, thermal conduction (热传导) is less efficient due to the larger spaces between molecules, which results in slower heat transfer. In conclusion, thermal conduction (热传导) is a vital process that influences many aspects of our lives, from cooking to climate science. By understanding how heat is transferred through different materials, we can make informed decisions about energy use, construction, and environmental conservation. The study of thermal conduction (热传导) not only deepens our comprehension of physical phenomena but also empowers us to create a more sustainable future.

热传导是物理学中的一个基本概念，描述了热能通过材料转移的过程。这种转移发生在分子层面，快速运动的粒子与慢速运动的粒子碰撞，传递能量并导致温度升高。理解热传导（thermal conduction）在工程、气象以及日常生活等多个领域中都是至关重要的。热传导（thermal conduction）的一个常见例子是将金属勺子放入热咖啡杯中。当勺子加热时，咖啡中的热量通过热传导（thermal conduction）转移到勺子上。金属的原子结构使得能量转移效率高，因为其紧密排列的原子促进了粒子之间的快速碰撞。这一现象解释了为什么金属餐具在用于烹饪或盛放热食时会迅速变热。热传导（thermal conduction）的速率取决于多个因素，包括材料的热导率、温度差异和热量转移的面积。例如，铜和铝等金属具有高热导率，使它们成为优秀的炊具和热交换器选择。相比之下，木材和塑料等材料的热导率较低，这使它们更适合用作绝缘材料。在建筑中，理解热传导（thermal conduction）对于能效至关重要。建筑设计采用的材料旨在减少冬季的热损失和夏季的热增益。绝缘材料如玻璃纤维和泡沫被用来减缓热传导（thermal conduction），保持室内环境舒适，同时降低能源成本。通过改善绝缘，房主可以创造一个更可持续的居住空间，减少取暖和制冷的需求。在气候变化的背景下，热传导（thermal conduction）在理解热量如何在环境中分布方面起着重要作用。例如，海洋吸收大量太阳能，而这种热量的热传导（thermal conduction）影响气候模式和海洋生态系统。科学家研究这些相互作用，以预测气候变化并制定减轻影响的策略。此外，热传导（thermal conduction）不仅限于固体材料；它也发生在液体和气体中，尽管速率不同。在液体中，分子的运动允许热量转移，但对流流动往往发挥更重要的作用。在气体中，由于分子之间的间距较大，热传导（thermal conduction）效率较低，导致热量转移速度较慢。总之，热传导（thermal conduction）是一个重要的过程，影响着我们生活的许多方面，从烹饪到气候科学。通过理解热量如何通过不同材料转移，我们可以就能源使用、建筑和环境保护做出明智的决策。对热传导（thermal conduction）的研究不仅加深了我们对物理现象的理解，还使我们能够创造一个更可持续的未来。