coefficient of thermal conductivity

简明释义

导热系数

英英释义

例句

1.The coefficient of thermal conductivity measures how well a material can conduct heat.

热导率coefficient of thermal conductivity衡量材料传导热量的能力。

2.A low coefficient of thermal conductivity indicates good insulating properties.

低coefficient of thermal conductivity表示良好的绝缘性能。

3.When selecting insulation, consider the coefficient of thermal conductivity to ensure energy efficiency.

在选择绝缘材料时，考虑coefficient of thermal conductivity以确保能效。

4.Materials with a high coefficient of thermal conductivity are often used in heat exchangers.

具有高coefficient of thermal conductivity的材料通常用于热交换器。

5.The coefficient of thermal conductivity of metals is generally higher than that of plastics.

金属的coefficient of thermal conductivity通常高于塑料。

作文

Understanding the concept of coefficient of thermal conductivity is essential in the field of thermodynamics and material science. The coefficient of thermal conductivity refers to a material's ability to conduct heat. It is a crucial property that determines how well a substance can transfer thermal energy from one part to another. This coefficient is typically measured in watts per meter-kelvin (W/m·K), indicating the amount of heat that passes through a unit thickness of the material for a unit temperature difference. In practical applications, the coefficient of thermal conductivity plays a significant role in various industries, including construction, manufacturing, and electronics. For instance, in building construction, materials with low coefficient of thermal conductivity are preferred for insulation purposes. Insulating materials such as fiberglass, foam, and certain types of plastics are designed to minimize heat transfer, helping to maintain energy efficiency in buildings. This is particularly important in regions with extreme temperatures, where effective insulation can significantly reduce heating and cooling costs. Moreover, the choice of materials based on their coefficient of thermal conductivity can affect the overall performance and durability of products. In electronics, for example, heat dissipation is critical for the longevity and functionality of devices. Materials with high coefficient of thermal conductivity, such as copper and aluminum, are often used in heat sinks to draw heat away from sensitive components, preventing overheating and potential failure. The coefficient of thermal conductivity is not a fixed value; it can vary significantly depending on factors such as temperature, moisture content, and the physical structure of the material. For example, metals generally have high coefficient of thermal conductivity values, while non-metals like wood or rubber exhibit much lower values. Understanding these variations is critical for engineers and scientists who design systems and products that rely on heat transfer principles. In conclusion, the coefficient of thermal conductivity is a fundamental property that influences how materials interact with heat. Its significance spans multiple fields, from architecture to electronics, making it a vital concept for anyone involved in material selection and thermal management. By understanding and applying the principles of coefficient of thermal conductivity, professionals can enhance the efficiency, safety, and performance of their designs, ultimately leading to more sustainable solutions in our daily lives.

理解导热系数的概念在热力学和材料科学领域至关重要。导热系数指的是材料传导热量的能力。这是一个关键属性，决定了物质如何将热能从一部分转移到另一部分。这个系数通常以瓦特每米开尔文（W/m·K）为单位进行测量，表示在单位温差下，通过单位厚度的材料传递的热量。在实际应用中，导热系数在建筑、制造和电子等多个行业中发挥着重要作用。例如，在建筑施工中，低导热系数的材料更适合用于绝缘目的。绝缘材料如玻璃纤维、泡沫和某些类型的塑料旨在最小化热传递，帮助保持建筑的能效。这在温度极端的地区尤为重要，有效的绝缘可以显著降低供暖和制冷成本。此外，基于材料的导热系数进行选择会影响产品的整体性能和耐用性。在电子产品中，散热对设备的寿命和功能至关重要。具有高导热系数的材料，如铜和铝，通常用于散热器，以从敏感组件中抽走热量，防止过热和潜在故障。导热系数并不是一个固定值；它可能因温度、湿度和材料的物理结构等因素而显著变化。例如，金属通常具有较高的导热系数值，而木材或橡胶等非金属则表现出较低的值。理解这些变化对设计依赖于热传递原理的系统和产品的工程师和科学家至关重要。总之，导热系数是一个基本属性，影响材料与热量的相互作用。它的重要性跨越多个领域，从建筑到电子，使其成为任何涉及材料选择和热管理的专业人士的重要概念。通过理解和应用导热系数的原则，专业人员可以提高设计的效率、安全性和性能，最终在我们的日常生活中实现更可持续的解决方案。