coefficient of thermal conductivity

简明释义

导热系数

英英释义

例句

1.In engineering, the coefficient of thermal conductivity is crucial for thermal management.

在工程中，导热系数coefficient of thermal conductivity对热管理至关重要。

2.The material with the highest coefficient of thermal conductivity is often used in heat exchangers.

热交换器中通常使用导热系数coefficient of thermal conductivity最高的材料。

3.When choosing a building material, consider its coefficient of thermal conductivity for energy efficiency.

选择建筑材料时，考虑其导热系数coefficient of thermal conductivity以提高能源效率。

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

金属的导热系数coefficient of thermal conductivity通常高于塑料。

5.Insulation materials have a low coefficient of thermal conductivity to minimize heat loss.

绝缘材料具有低导热系数coefficient of thermal conductivity以最小化热量损失。

作文

The concept of heat transfer is fundamental in various fields such as engineering, physics, and environmental science. One of the key parameters that describe how well a material conducts heat is known as the coefficient of thermal conductivity. This term refers to the ability of a substance to conduct heat; it quantifies the rate at which heat passes through a material when there is a temperature difference across it. The higher the coefficient of thermal conductivity, the better the material is at conducting heat. For instance, metals like copper and aluminum have high values of this coefficient, making them excellent conductors of heat, while materials like wood or rubber have low values, indicating poor thermal conductivity.Understanding the coefficient of thermal conductivity is crucial in many practical applications. In building construction, for example, the choice of insulation materials is heavily influenced by their thermal conductivity. Insulation with a low coefficient of thermal conductivity can significantly reduce heat loss in buildings, leading to energy savings and increased comfort for occupants. Engineers often utilize this property to design energy-efficient structures that maintain comfortable indoor temperatures without excessive reliance on heating or cooling systems.In electronics, the coefficient of thermal conductivity plays a vital role in managing heat dissipation in devices. As electronic components generate heat during operation, materials with appropriate thermal conductivity are selected to ensure efficient heat transfer away from sensitive components, preventing overheating and potential failure. This is especially important in high-performance computing and telecommunications where heat management can directly impact performance and longevity.Moreover, the coefficient of thermal conductivity is not a constant value; it can vary with temperature, moisture content, and even the frequency of applied heat. For instance, in some polymers, the coefficient of thermal conductivity can increase with temperature, while in others, it may decrease. This variability must be accounted for in both theoretical studies and practical applications to ensure accurate predictions and effective designs.In the realm of environmental science, understanding the coefficient of thermal conductivity is essential when studying soil properties and their impact on ecosystems. The thermal conductivity of soil affects its temperature regulation, which in turn influences plant growth and microbial activity. Scientists often measure the coefficient of thermal conductivity of different soil types to assess their suitability for agriculture and to predict how they will respond to climate change.In conclusion, the coefficient of thermal conductivity is a critical parameter in understanding heat transfer in various materials. Its applications span across multiple disciplines, from construction and electronics to environmental science. By mastering this concept, professionals can make informed decisions that enhance energy efficiency, improve product design, and contribute to sustainable practices. Therefore, whether you are an engineer, architect, or scientist, a solid grasp of the coefficient of thermal conductivity is indispensable in today’s technology-driven world.

热传导的概念在工程、物理和环境科学等多个领域中都是基础性的。描述材料导热性能的关键参数之一被称为热导率系数。这个术语指的是一种物质导热的能力；它量化了在温度差异存在时，热量通过材料的传递速率。热导率系数越高，材料的导热性能越好。例如，铜和铝等金属具有较高的热导率系数，使它们成为优秀的导热体，而木材或橡胶等材料则具有较低的热导率系数，表明其导热性能较差。理解热导率系数在许多实际应用中至关重要。在建筑施工中，例如，绝缘材料的选择受到其热导率的重大影响。具有低热导率系数的绝缘材料可以显著减少建筑中的热损失，从而节省能源并提高居住者的舒适度。工程师通常利用这一特性来设计节能结构，保持舒适的室内温度，而无需过度依赖供暖或制冷系统。在电子学中，热导率系数在管理设备散热方面发挥着重要作用。随着电子元件在运行过程中产生热量，选择合适的导热材料以确保有效地将热量从敏感元件转移出去，防止过热和潜在故障，这一点尤为重要。这在高性能计算和电信领域尤其重要，因为热管理直接影响性能和寿命。此外，热导率系数并不是一个常数值；它可能随温度、湿度含量，甚至施加热量的频率而变化。例如，在某些聚合物中，热导率系数可能随温度升高而增加，而在其他聚合物中，则可能降低。这种变异性必须在理论研究和实际应用中加以考虑，以确保准确的预测和有效的设计。在环境科学领域，理解热导率系数对于研究土壤特性及其对生态系统的影响至关重要。土壤的热导率影响其温度调节，这反过来又影响植物生长和微生物活动。科学家们常常测量不同土壤类型的热导率系数，以评估其农业适宜性，并预测它们如何响应气候变化。总之，热导率系数是理解各种材料热传导的关键参数。它的应用跨越多个学科，从建筑、电子到环境科学。通过掌握这一概念，专业人士可以做出明智的决策，提高能源效率，改善产品设计，并促进可持续实践。因此，无论您是工程师、建筑师还是科学家，扎实掌握热导率系数在当今科技驱动的世界中都是不可或缺的。