coefficient of heat conduction

简明释义

热传导系数

英英释义

例句

1.When designing a building, architects must consider the coefficient of heat conduction of different materials to improve energy efficiency.

在设计建筑时，建筑师必须考虑不同材料的热导率coefficient of heat conduction以提高能效。

2.The coefficient of heat conduction is crucial in determining how well a material can transfer heat.

热导率coefficient of heat conduction在决定材料传导热量的能力方面至关重要。

3.The coefficient of heat conduction for copper is much higher than that for wood.

铜的热导率coefficient of heat conduction远高于木材。

4.In our engineering class, we learned that the coefficient of heat conduction varies significantly between metals and insulators.

在我们的工程课上，我们了解到金属和绝缘体之间的热导率coefficient of heat conduction差异显著。

5.Thermal insulation materials are chosen based on their low coefficient of heat conduction.

热绝缘材料的选择基于其低热导率coefficient of heat conduction。

作文

The concept of the coefficient of heat conduction is fundamental in the field of thermodynamics and materials science. It represents how well a material can conduct heat, which is crucial for various applications including engineering, construction, and manufacturing. The coefficient of heat conduction measures the ability of a substance to transfer thermal energy from one part to another when there is a temperature difference. This property is particularly important in designing buildings and thermal insulation materials, as it directly affects energy efficiency and comfort levels within a space.In practical terms, the coefficient of heat conduction is usually denoted by the symbol 'k' and is measured in watts per meter-kelvin (W/m·K). A higher value of 'k' indicates that the material is a good conductor of heat, while a lower value suggests it is a poor conductor. For instance, metals like copper and aluminum have high coefficient of heat conduction values, making them excellent choices for applications requiring efficient heat transfer, such as cooking utensils and heat exchangers.On the other hand, materials like wood and fiberglass have low coefficient of heat conduction values, which makes them suitable for insulation purposes. By using materials with low thermal conductivity, we can minimize heat loss in buildings, thereby reducing energy consumption and enhancing comfort during extreme weather conditions. This is particularly relevant in regions with harsh winters or hot summers, where maintaining a stable indoor temperature is essential.Moreover, understanding the coefficient of heat conduction is vital for engineers and architects when selecting materials for specific applications. For example, in the construction of a house, the choice of wall materials can significantly influence heating and cooling costs. If the walls are made from materials with low thermal conductivity, the house will retain heat more effectively in winter and stay cooler in summer, leading to lower energy bills.In addition to its applications in building design, the coefficient of heat conduction plays a critical role in various industrial processes. In the manufacturing sector, knowing how different materials respond to heat can help optimize production methods. For instance, in metalworking, understanding the thermal properties of materials can lead to better control of processes such as welding, casting, and forging, ultimately improving product quality and reducing waste.Furthermore, advancements in technology have led to the development of new materials with tailored coefficient of heat conduction properties. For example, aerogels are highly porous materials that exhibit extremely low thermal conductivity, making them ideal for insulation in aerospace and cryogenic applications. Research continues to explore innovative materials that can further enhance energy efficiency across various sectors.In conclusion, the coefficient of heat conduction is a critical parameter that influences many aspects of our daily lives, from the design of our homes to the efficiency of industrial processes. Understanding this concept allows us to make informed decisions about material selection and energy conservation strategies. As we continue to face challenges related to energy consumption and environmental sustainability, the importance of the coefficient of heat conduction will only grow, guiding us towards more efficient and responsible use of resources in the future.

热导率的概念在热力学和材料科学领域中是基本的。它表示材料传导热量的能力，这对于工程、建筑和制造等各种应用至关重要。热导率测量的是物质在温度差异存在时，从一个部分到另一个部分传递热能的能力。这一特性在设计建筑和热绝缘材料时尤其重要，因为它直接影响到空间内的能效和舒适度。在实际应用中，热导率通常用符号“k”表示，单位为瓦特每米开尔文（W/m·K）。较高的“k”值表示材料是良好的热导体，而较低的值则表明它是较差的导体。例如，铜和铝等金属具有高的热导率值，使它们成为需要高效热传导应用（如炊具和热交换器）的优选材料。另一方面，木材和玻璃纤维等材料的热导率值较低，这使它们适合用于绝缘。通过使用低热导率的材料，我们可以最大限度地减少建筑中的热量损失，从而降低能耗，并在极端天气条件下提高舒适度。这在寒冷的冬季或炎热的夏季尤为相关，因为保持稳定的室内温度至关重要。此外，了解热导率对于工程师和建筑师在选择特定应用材料时至关重要。例如，在房屋建设中，墙体材料的选择可以显著影响供暖和制冷成本。如果墙壁由低热导率的材料制成，房屋将在冬季更有效地保留热量，并在夏季保持更凉爽，从而降低能源账单。除了在建筑设计中的应用外，热导率在各种工业过程中也起着关键作用。在制造业中，了解不同材料对热量的反应可以帮助优化生产方法。例如，在金属加工中，理解材料的热性能可以更好地控制焊接、铸造和锻造等过程，最终提高产品质量并减少浪费。此外，科技的进步促使新材料的开发，具有定制的热导率特性。例如，气凝胶是一种高度多孔的材料，表现出极低的热导率，使其在航空航天和低温应用中理想。研究继续探索创新材料，以进一步增强各个行业的能源效率。总之，热导率是影响我们日常生活许多方面的关键参数，从我们家居的设计到工业过程的效率。理解这一概念使我们能够在材料选择和节能策略上做出明智的决策。随着我们继续面临与能源消耗和环境可持续性相关的挑战，热导率的重要性只会增加，引导我们在未来更有效和负责任地使用资源。