thermal conductivity

简明释义

热导率

英英释义

例句

1.The thermal conductivity of metals is generally higher than that of non-metals.

金属的热导率通常高于非金属。

2.In building construction, we often measure the thermal conductivity of various materials to improve energy efficiency.

在建筑施工中，我们常常测量各种材料的热导率以提高能效。

3.Polystyrene foam has low thermal conductivity, which helps keep buildings warm in winter.

聚苯乙烯泡沫具有低热导率，有助于在冬季保持建筑物温暖。

4.The material's thermal conductivity is crucial for its use in insulation applications.

该材料的热导率对于其在绝缘应用中的使用至关重要。

5.Copper has a high thermal conductivity, making it ideal for electrical wiring.

铜具有高热导率，使其成为电缆的理想材料。

作文

Thermal conductivity is a fundamental property of materials that describes their ability to conduct heat. In essence, it quantifies how quickly heat can transfer through a substance when there is a temperature difference. This property is critical in various fields, including engineering, physics, and environmental science. Understanding thermal conductivity (热导率) is essential for designing efficient thermal systems, whether they be in buildings, electronic devices, or even in the natural environment.Different materials exhibit varying levels of thermal conductivity (热导率). Metals, for instance, generally have high thermal conductivity (热导率), which allows them to transfer heat efficiently. This is why metals are often used in cooking utensils and heat exchangers. On the other hand, materials like wood or rubber have low thermal conductivity (热导率), making them suitable for insulation purposes. The distinction between these materials highlights the importance of thermal conductivity (热导率) in practical applications.In the context of building construction, understanding thermal conductivity (热导率) can lead to more energy-efficient designs. For example, using materials with low thermal conductivity (热导率) for insulation can help maintain indoor temperatures, reducing the need for heating and cooling systems. This not only saves energy but also lowers utility costs for homeowners. Architects and engineers must carefully consider thermal conductivity (热导率) when selecting materials to ensure that buildings are both comfortable and energy-efficient.Moreover, the study of thermal conductivity (热导率) extends beyond just construction materials. In electronics, for instance, components generate heat during operation. If this heat is not dissipated effectively, it can lead to overheating and potential failure of the device. Therefore, materials with high thermal conductivity (热导率) are often used in heat sinks and thermal interface materials to enhance heat dissipation. This is particularly important in the design of computers and other electronic devices where maintaining optimal operating temperatures is crucial for performance and longevity.Environmental science also benefits from understanding thermal conductivity (热导率). For instance, in climate studies, researchers analyze how different soils and vegetation types affect heat transfer in the ground. This information can be vital for predicting how ecosystems respond to temperature changes and for developing strategies to mitigate climate change impacts. By studying the thermal conductivity (热导率) of various materials, scientists can gain insights into heat flow in natural systems, which can inform conservation efforts and land management practices.In conclusion, thermal conductivity (热导率) is a critical property that influences a wide range of applications across different fields. From construction to electronics and environmental science, understanding how materials conduct heat can lead to better designs, enhanced performance, and improved sustainability. As technology advances and the demand for energy efficiency increases, the significance of thermal conductivity (热导率) will undoubtedly continue to grow, making it an essential concept for students and professionals alike.