thermal conductivity

简明释义

导热性

英英释义

例句

1.Water has a low thermal conductivity, which makes it an effective insulator in certain applications.

水的热导率较低，这使其在某些应用中成为有效的绝缘体。

2.The thermal conductivity of a material can affect how quickly it heats up or cools down.

材料的热导率会影响其加热或冷却的速度。

3.Insulation materials are chosen based on their thermal conductivity to improve energy efficiency.

隔热材料根据其热导率来选择，以提高能源效率。

4.In construction, understanding the thermal conductivity of various materials can lead to better building designs.

在建筑中，了解各种材料的热导率可以导致更好的建筑设计。

5.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。

作文

Thermal conductivity is a crucial property of materials that determines how well they can conduct heat. In simple terms, it refers to the ability of a substance to transfer thermal energy from one part to another. Materials with high thermal conductivity (热导率) can quickly transfer heat, while those with low thermal conductivity (热导率) do so at a much slower rate. This property is essential in various applications, including construction, manufacturing, and electronics.In the construction industry, understanding thermal conductivity (热导率) is vital for creating energy-efficient buildings. For instance, materials like metals typically have high thermal conductivity (热导率), making them excellent conductors of heat. This means that in cold climates, metal roofs can lose heat quickly, leading to higher energy costs for heating. On the other hand, materials such as wood or insulation foam have low thermal conductivity (热导率), which helps retain heat within a building, thus reducing energy consumption and costs.In manufacturing, thermal conductivity (热导率) plays a significant role in processes such as welding, casting, and machining. For example, when welding metals, the thermal conductivity (热导率) of the materials being joined affects the heat distribution during the process. If the materials have significantly different thermal conductivity (热导率) values, it can lead to uneven heating, resulting in defects in the weld. Therefore, engineers must consider thermal conductivity (热导率) when selecting materials for various manufacturing processes.Electronics is another field where thermal conductivity (热导率) is critically important. As electronic devices generate heat during operation, effective heat dissipation is necessary to prevent overheating and ensure longevity. Materials with high thermal conductivity (热导率) are often used in heat sinks and thermal interface materials to facilitate the transfer of heat away from sensitive components. For example, copper and aluminum are commonly used due to their excellent thermal conductivity (热导率). Engineers must carefully select materials with appropriate thermal conductivity (热导率) to optimize the performance and reliability of electronic devices.Moreover, in the realm of renewable energy, thermal conductivity (热导率) is essential in the design of solar panels and thermal storage systems. Solar panels need to effectively transfer heat to maximize energy conversion efficiency. The choice of materials with suitable thermal conductivity (热导率) can significantly influence the performance of these systems. Similarly, thermal storage systems rely on materials that can efficiently store and release heat, making thermal conductivity (热导率) a key factor in their design.In conclusion, thermal conductivity (热导率) is a fundamental property that affects various industries and applications. From construction to electronics and renewable energy, understanding and utilizing thermal conductivity (热导率) can lead to more efficient designs, cost savings, and improved performance. As technology continues to advance, the importance of thermal conductivity (热导率) will only grow, making it essential for professionals in these fields to have a solid grasp of this concept.