thermal conductivity

简明释义

导热系数

英英释义

例句

1.The thermal conductivity of the wall affects the energy efficiency of a building.

墙壁的热导率影响建筑的能源效率。

2.In construction, understanding thermal conductivity helps in choosing the right materials.

在建筑中，理解热导率有助于选择合适的材料。

3.The material's thermal conductivity is crucial for insulation applications.

材料的热导率对于绝缘应用至关重要。

4.Researchers are studying new materials with low thermal conductivity for better insulation.

研究人员正在研究具有低热导率的新材料，以实现更好的绝缘效果。

5.Copper has a high thermal conductivity, making it ideal for heat sinks.

铜具有高热导率，使其成为散热器的理想材料。

作文

Thermal conductivity is a fundamental property of materials that describes their ability to conduct heat. In simple terms, it measures how quickly heat can travel through a substance when there is a temperature difference. This property is crucial in various fields, including engineering, construction, and even everyday life. Understanding thermal conductivity (热导率) allows us to select appropriate materials for different applications, ensuring efficiency and safety.For instance, in the construction industry, choosing materials with low thermal conductivity (热导率) for insulation can significantly reduce energy consumption in buildings. Insulating materials like fiberglass or foam are designed to trap air, which has a low thermal conductivity (热导率), thereby preventing heat transfer. This means that during winter, less heat escapes from the building, and in summer, less heat enters, leading to lower heating and cooling costs.In contrast, metals such as copper and aluminum have high thermal conductivity (热导率), making them ideal for applications where rapid heat transfer is necessary. For example, in cooking utensils, materials with high thermal conductivity (热导率) ensure that heat spreads evenly across the surface, allowing food to cook uniformly. Similarly, in electronics, components often require materials with high thermal conductivity (热导率) to dissipate heat efficiently, preventing overheating and ensuring optimal performance.The concept of thermal conductivity (热导率) is not only limited to solids; it also applies to liquids and gases. For instance, water has a relatively high thermal conductivity (热导率) compared to air, which is why water can absorb and transfer heat more effectively. This property plays a vital role in climate regulation and weather patterns, as bodies of water can moderate temperatures in their surroundings.Moreover, understanding thermal conductivity (热导率) is essential in the field of thermodynamics, where it contributes to the study of heat transfer processes. Engineers and scientists often use Fourier's law of heat conduction to quantify heat transfer through materials based on their thermal conductivity (热导率). This mathematical approach helps predict how heat will flow in different environments, which is critical for designing thermal systems, such as heat exchangers and refrigeration units.In conclusion, thermal conductivity (热导率) is a key property that influences how materials interact with heat. Its applications span across various industries, from construction to electronics, and understanding it is essential for making informed decisions about material selection. As we continue to innovate and develop new technologies, the importance of thermal conductivity (热导率) will only grow, highlighting the need for ongoing research and education in this area. By grasping the principles of thermal conductivity (热导率), we can enhance our ability to create efficient systems and contribute to a more sustainable future.

热导率是材料的基本性质，描述了它们导热的能力。简单来说，它衡量了在温度差异存在时，热量通过物质传播的速度。这一特性在工程、建筑乃至日常生活中都至关重要。理解热导率（thermal conductivity）使我们能够为不同的应用选择合适的材料，从而确保效率和安全。例如，在建筑行业，选择低热导率（thermal conductivity）的材料作为绝缘材料，可以显著减少建筑的能耗。像玻璃纤维或泡沫这样的绝缘材料旨在捕捉空气，而空气具有较低的热导率（thermal conductivity），从而防止热量传递。这意味着在冬天，建筑内的热量流失较少，而在夏天，热量进入较少，从而降低了供暖和制冷的成本。相反，像铜和铝这样的金属具有高热导率（thermal conductivity），使它们在需要快速传递热量的应用中理想。例如，在烹饪器具中，具有高热导率（thermal conductivity）的材料确保热量均匀地分布在表面，使食物均匀烹饪。同样，在电子产品中，组件通常需要具有高热导率（thermal conductivity）的材料，以有效散热，防止过热并确保最佳性能。热导率（thermal conductivity）的概念不仅限于固体；它同样适用于液体和气体。例如，水的热导率（thermal conductivity）相对较高，比较空气更有效地吸收和传递热量。这一特性在气候调节和天气模式中发挥着重要作用，因为水体可以调节周围的温度。此外，理解热导率（thermal conductivity）在热力学领域至关重要，因为它有助于研究热传递过程。工程师和科学家通常使用傅里叶热传导定律，根据材料的热导率（thermal conductivity）来量化通过材料的热传递。这种数学方法有助于预测热量在不同环境中的流动，这对于设计热系统，如热交换器和制冷装置至关重要。总之，热导率（thermal conductivity）是影响材料与热量相互作用的关键属性。它的应用跨越多个行业，从建筑到电子产品，理解它对于做出明智的材料选择至关重要。随着我们继续创新和开发新技术，热导率（thermal conductivity）的重要性只会增加，突显了在这一领域进行持续研究和教育的必要性。通过掌握热导率（thermal conductivity）的原理，我们可以增强创建高效系统的能力，为更可持续的未来做出贡献。