heat conduction coefficient

简明释义

传热系数

英英释义

例句

1.The heat conduction coefficient 热导系数 of air is very low, making it a good insulator.

空气的热导系数 热导系数非常低，使其成为良好的绝缘体。

2.To calculate the efficiency of a heat exchanger, you need to know the heat conduction coefficient 热导系数 of the materials involved.

要计算热交换器的效率，您需要知道所涉及材料的热导系数 热导系数。

3.The heat conduction coefficient 热导系数 can vary significantly between different materials.

不同材料之间的热导系数 热导系数可能会有显著差异。

4.The heat conduction coefficient 热导系数 of copper is much higher than that of wood.

铜的热导系数 热导系数远高于木材。

5.In thermal insulation materials, a low heat conduction coefficient 热导系数 is desirable.

在热绝缘材料中，低的热导系数 热导系数是理想的。

作文

The study of thermal properties in materials is crucial in various fields, including engineering, physics, and environmental science. One of the key parameters that scientists and engineers focus on is the heat conduction coefficient, which quantifies how well a material can conduct heat. This property is essential for designing efficient thermal insulation systems, understanding heat transfer in different environments, and improving energy efficiency in buildings and industrial processes.The heat conduction coefficient (also known as thermal conductivity) is defined as the amount of heat that passes through a unit area of a material per unit time when there is a temperature difference across that material. It is usually expressed in watts per meter-kelvin (W/m·K). Materials with high values of the heat conduction coefficient are known as good conductors of heat, such as metals like copper and aluminum, while those with low values are considered insulators, like rubber or glass wool.Understanding the heat conduction coefficient is vital for several applications. For instance, in building construction, architects and engineers need to select materials with appropriate thermal properties to ensure that buildings remain energy-efficient. If a building has poor insulation, it can lead to excessive heating or cooling costs, impacting both the environment and the occupants’ comfort.Moreover, in the manufacturing industry, the heat conduction coefficient plays a significant role in processes like welding, casting, and molding. The ability of a material to dissipate heat affects its mechanical properties and performance during these processes. Engineers must consider this coefficient when selecting materials for specific applications to avoid defects caused by improper heat management.In the realm of electronics, the heat conduction coefficient is critical for the thermal management of devices. As electronic components generate heat during operation, effective heat dissipation is necessary to prevent overheating, which can lead to failure. Engineers often use materials with high thermal conductivity to create heat sinks and other cooling solutions that maintain optimal operating temperatures for electronic devices.Research into the heat conduction coefficient is ongoing, as scientists explore new materials and composites that can enhance thermal performance. Innovations in nanotechnology have led to the development of materials with extraordinary thermal properties, promising improved energy efficiency and performance in various applications. For example, carbon nanotubes and graphene have shown remarkable thermal conductivity, making them ideal candidates for next-generation thermal management solutions.In conclusion, the heat conduction coefficient is a fundamental concept in understanding how heat transfers through materials. Its implications span across various industries, influencing design, efficiency, and sustainability. As technology advances, the exploration of materials with enhanced thermal properties will continue to shape the future of engineering and environmental science, ultimately leading to more efficient and sustainable practices. By grasping the significance of the heat conduction coefficient, professionals in these fields can make informed decisions that contribute to innovation and improved performance in their respective areas.

在材料的热特性研究中，热导率（heat conduction coefficient）是一个关键参数，它量化了材料传导热量的能力。这个特性在设计高效的热绝缘系统、理解不同环境中的热传递以及提高建筑和工业过程中的能源效率方面至关重要。heat conduction coefficient（也称为热导率）定义为在单位时间内通过单位面积的材料传递的热量，当该材料两侧存在温差时。它通常以瓦特每米开尔文（W/m·K）表示。具有高heat conduction coefficient值的材料被称为良好的热导体，如铜和铝等金属，而低值材料则被认为是绝缘体，如橡胶或玻璃棉。理解heat conduction coefficient对多个应用至关重要。例如，在建筑施工中，建筑师和工程师需要选择适当热性能的材料，以确保建筑保持能源效率。如果一栋建筑的绝缘性能差，会导致过高的供暖或制冷成本，影响环境和居住者的舒适度。此外，在制造业中，heat conduction coefficient在焊接、铸造和成型等工艺中发挥着重要作用。材料散热的能力影响其机械性能和在这些过程中表现。工程师在选择特定应用的材料时必须考虑这一系数，以避免由于热管理不当而导致的缺陷。在电子领域，heat conduction coefficient对设备的热管理至关重要。电子元件在运行过程中产生热量，有效的散热是防止过热的必要措施，过热可能导致设备故障。工程师通常使用高热导率的材料来创建散热器和其他冷却解决方案，以维持电子设备的最佳工作温度。对heat conduction coefficient的研究仍在继续，科学家们探索新材料和复合材料，以增强热性能。纳米技术的创新导致了具有卓越热特性的材料的发展，承诺在各种应用中改善能源效率和性能。例如，碳纳米管和石墨烯显示出显著的热导率，使它们成为下一代热管理解决方案的理想候选者。总之，heat conduction coefficient是理解热量如何通过材料传递的基本概念。它的影响跨越多个行业，影响设计、效率和可持续性。随着技术的进步，对具有增强热特性的材料的探索将继续塑造工程和环境科学的未来，最终导致更高效和可持续的实践。通过掌握heat conduction coefficient的重要性，这些领域的专业人员可以做出明智的决策，从而促进创新和提高各自领域的性能。