heat conductivity

简明释义

导热性

英英释义

例句

1.The heat conductivity 热导率 of water is relatively low compared to metals, affecting how we cook food.

与金属相比，水的热导率相对较低，这影响了我们烹饪食物的方式。

2.Researchers are studying materials with low heat conductivity 热导率 for better thermal insulation.

研究人员正在研究低热导率的材料，以获得更好的热绝缘效果。

3.The heat conductivity 热导率 of metals makes them ideal for cooking utensils.

金属的热导率使它们非常适合用作烹饪器具。

4.Copper is often used in electrical wiring because of its excellent heat conductivity 热导率.

铜因其优良的热导率常用于电线。

5.The insulation material was chosen for its high heat conductivity 热导率, which helps maintain the temperature inside the building.

这种绝缘材料因其高热导率被选中，有助于保持建筑内部的温度。

作文

Heat is an essential form of energy that plays a crucial role in our daily lives. Understanding the principles of heat transfer is vital in various fields, including engineering, physics, and even cooking. One of the fundamental concepts related to heat transfer is heat conductivity, which refers to the ability of a material to conduct heat. This property is significant in determining how effectively heat can be transferred through different substances. For instance, metals like copper and aluminum have high heat conductivity, making them excellent choices for cookware and heat exchangers. In contrast, materials like wood and plastic have low heat conductivity, which makes them suitable for insulation purposes.The importance of heat conductivity extends beyond just cooking or construction; it also has implications in the development of energy-efficient technologies. In the realm of electronics, for example, managing heat is crucial for maintaining the performance and longevity of devices. High-performance components generate significant amounts of heat, and materials with high heat conductivity are often used to dissipate this heat effectively. By using materials that can quickly transfer heat away from sensitive components, engineers can prevent overheating and ensure optimal functioning of electronic devices.Moreover, understanding heat conductivity is essential in the field of materials science. Researchers explore various materials to enhance their thermal properties for specific applications. For example, scientists are constantly looking for new composites that combine the benefits of high heat conductivity with lightweight characteristics. Such advancements could lead to innovations in aerospace, automotive, and renewable energy sectors, where efficient heat management is critical.In addition to industrial applications, heat conductivity also affects our everyday lives. The design of buildings takes into account the heat conductivity of materials used in walls, roofs, and windows. For instance, buildings constructed with materials that have low heat conductivity can maintain comfortable indoor temperatures without excessive reliance on heating and cooling systems. This not only improves energy efficiency but also reduces utility costs for homeowners.Furthermore, the concept of heat conductivity is also relevant in environmental science. As global temperatures rise, understanding how different materials respond to heat can help in developing better strategies for climate adaptation. For instance, urban planners can use materials with appropriate heat conductivity to mitigate the urban heat island effect, where cities become significantly warmer than their rural surroundings due to human activities and heat-absorbing surfaces.In conclusion, heat conductivity is a fundamental property that influences a wide range of applications in our lives. From cooking to electronics, building design to environmental science, the ability of materials to conduct heat shapes our interactions with the world around us. As technology advances and our understanding of materials deepens, the importance of heat conductivity will continue to grow, driving innovation and improving efficiency across various sectors. By appreciating the significance of heat conductivity, we can make more informed decisions in both our personal and professional lives, ultimately leading to a more sustainable future.

热是我们日常生活中一种重要的能量形式。理解热传递的原理在工程、物理学甚至烹饪等多个领域都是至关重要的。与热传递相关的基本概念之一是热导率，它指的是材料导热的能力。这一特性在决定不同物质如何有效传递热量方面具有重要意义。例如，铜和铝等金属具有高热导率，使其成为炊具和热交换器的优秀选择。相反，木材和塑料等材料具有低热导率，这使它们适合用于绝缘。热导率的重要性不仅仅体现在烹饪或建筑上；它在开发节能技术方面也有重要意义。在电子领域，例如，管理热量对于维护设备的性能和使用寿命至关重要。高性能组件会产生大量热量，通常使用具有高热导率的材料来有效散热。通过使用能够快速将热量从敏感组件转移开来的材料，工程师可以防止过热，确保电子设备的最佳运行。此外，理解热导率在材料科学领域也是必不可少的。研究人员探索各种材料以增强其热性能以满足特定应用的需求。例如，科学家们不断寻找新的复合材料，以结合高热导率的优点与轻质特性。这些进展可能导致航空航天、汽车和可再生能源领域的创新，其中高效的热管理至关重要。除了工业应用，热导率还影响着我们的日常生活。建筑设计考虑到墙壁、屋顶和窗户所用材料的热导率。例如，使用低热导率材料建造的建筑可以在不过度依赖供暖和制冷系统的情况下维持舒适的室内温度。这不仅提高了能源效率，还降低了房主的公用事业费用。此外，热导率的概念在环境科学中也很相关。随着全球气温上升，理解不同材料对热量的响应可以帮助制定更好的气候适应策略。例如，城市规划者可以使用具有适当热导率的材料来减轻城市热岛效应，即城市由于人类活动和吸热表面而变得显著比周围农村地区更热。总之，热导率是一种基本属性，影响着我们生活中广泛的应用。从烹饪到电子产品，从建筑设计到环境科学，材料导热的能力塑造了我们与周围世界的互动。随着技术的进步和我们对材料的理解加深，热导率的重要性将继续增长，推动各个领域的创新和提高效率。通过欣赏热导率的意义，我们可以在个人和职业生活中做出更明智的决策，最终走向一个更加可持续的未来。