thermal conductivity

简明释义

热传导率

英英释义

例句

1.We need to measure the thermal conductivity of this new composite material for our research.

我们需要测量这种新复合材料的热导率以便进行研究。

2.High thermal conductivity materials are often used in heat sinks to dissipate heat effectively.

高热导率材料通常用于散热器，以有效散热。

3.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。

4.In building construction, choosing materials with low thermal conductivity can improve energy efficiency.

在建筑施工中，选择低热导率的材料可以提高能效。

5.The material's thermal conductivity is crucial for its performance in insulation applications.

该材料的热导率对其在绝缘应用中的性能至关重要。

作文

Thermal conductivity is a fundamental property of materials that describes their ability to conduct heat. It plays a crucial role in various fields, including engineering, physics, and materials science. Understanding thermal conductivity (热导率) is essential for designing efficient thermal systems, whether in construction, electronics, or even clothing. Materials with high thermal conductivity (热导率) can transfer heat quickly, which is beneficial in applications like heat exchangers and cooking utensils. Conversely, materials with low thermal conductivity (热导率) serve as insulators, preventing heat loss and maintaining desired temperatures in buildings and appliances.In engineering, the choice of materials often hinges on their thermal conductivity (热导率). For example, metals such as copper and aluminum are known for their high thermal conductivity (热导率), making them ideal for electrical wiring and heat sinks. On the other hand, materials like fiberglass and foam are used for insulation due to their low thermal conductivity (热导率). This property is quantified in watts per meter-kelvin (W/m·K), and it varies widely among different substances. The thermal conductivity (热导率) of a material can be affected by several factors, including temperature, density, and moisture content. For instance, as temperature increases, the thermal conductivity (热导率) of most metals increases, while that of insulators may decrease. This relationship is crucial in applications where temperature fluctuations occur, such as in thermal management systems in electronics.Moreover, understanding thermal conductivity (热导率) is vital in environmental science, particularly in studying heat transfer in soils and water bodies. The thermal conductivity (热导率) of soil affects how heat is distributed within the ground, influencing plant growth and ecosystem dynamics. Similarly, in bodies of water, thermal conductivity (热导率) plays a key role in regulating temperature stratification, which can impact aquatic life.In recent years, advancements in nanotechnology have led to the development of new materials with tailored thermal conductivity (热导率). These engineered materials can exhibit extraordinary properties, such as enhanced heat dissipation or improved insulation, which are not possible with traditional materials. Such innovations open new avenues for energy efficiency and thermal management in various applications, from aerospace to consumer electronics.In conclusion, thermal conductivity (热导率) is a vital concept that underpins many technological advancements and scientific explorations. A comprehensive understanding of this property enables engineers and scientists to select appropriate materials for specific applications, leading to improved performance and energy efficiency. As we continue to innovate and push the boundaries of material science, the significance of thermal conductivity (热导率) will only grow, shaping the future of technology and sustainability.