heat transmission by conductivity

简明释义

传导传热

英英释义

例句

1.In metals, heat transmission by conductivity is very efficient, allowing them to quickly transfer heat from one end to the other.

在金属中，通过导热的热传导非常高效，使它们能够快速将热量从一端转移到另一端。

2.When cooking on a stovetop, the heat transmission by conductivity from the burner to the pot is crucial for heating food evenly.

在炉灶上烹饪时，燃烧器到锅的通过导热的热传导对均匀加热食物至关重要。

3.Thermal conductors, like copper, excel in heat transmission by conductivity, making them ideal for electrical wiring.

热导体，如铜，在通过导热的热传导方面表现出色，使其成为电线的理想材料。

4.Insulating materials are designed to reduce heat transmission by conductivity, keeping homes warm in winter.

绝缘材料旨在减少通过导热的热传导，使房屋在冬季保持温暖。

5.The efficiency of heat transmission by conductivity can be tested using different materials to see which conducts heat best.

可以通过使用不同的材料测试通过导热的热传导的效率，以查看哪种材料导热效果最好。

作文

Heat is a fundamental form of energy that can be transferred from one body to another through various mechanisms. One of the most important methods of heat transfer is known as heat transmission by conductivity. This process occurs when heat moves through a material without any movement of the material itself. In simpler terms, it is the transfer of thermal energy through direct contact between molecules. Understanding this concept is essential in various fields, including engineering, physics, and even everyday life.To better grasp the idea of heat transmission by conductivity, we can consider a common example: a metal spoon placed in a hot cup of coffee. As the spoon makes contact with the hot liquid, the heat from the coffee is transferred to the spoon through the process of conduction. The molecules in the coffee are moving rapidly due to the high temperature, and when they collide with the molecules in the spoon, they transfer some of their energy. This transfer continues until the temperatures of both the spoon and the coffee reach equilibrium.The efficiency of heat transmission by conductivity depends on several factors, including the material's thermal conductivity, surface area, and temperature difference between the two bodies. Different materials conduct heat at different rates; for instance, metals like copper and aluminum are excellent conductors, while materials like wood and rubber are poor conductors or insulators. This property is crucial in designing buildings, appliances, and many other products where heat management is necessary.In engineering applications, heat transmission by conductivity plays a vital role in thermal management systems. For example, in electronic devices, excessive heat generated by components can lead to failure if not properly dissipated. Engineers often use materials with high thermal conductivity to create heat sinks that draw heat away from sensitive parts, ensuring optimal performance and longevity of the device.Moreover, understanding heat transmission by conductivity is also important in environmental science. For instance, the thermal properties of soil affect how heat is absorbed and released, which in turn influences plant growth and climate patterns. By studying these properties, scientists can develop better agricultural practices and contribute to sustainable environmental management.In everyday life, we encounter heat transmission by conductivity in various situations. Cooking is one of the most common examples; when using pots and pans, the heat from the stove is conducted through the material to cook food evenly. Similarly, wearing appropriate clothing in different weather conditions involves understanding how different fabrics conduct heat. For instance, wool is known for its insulating properties, making it ideal for cold weather, while cotton is more breathable and suitable for warmer climates.In conclusion, heat transmission by conductivity is a critical concept that affects numerous aspects of our lives, from technological applications to natural processes. By recognizing the importance of this phenomenon, we can make informed decisions in engineering, environmental science, and daily activities. As we continue to explore and innovate in these fields, a solid understanding of heat transfer mechanisms will undoubtedly enhance our ability to design efficient systems and improve our quality of life.

热是能量的一种基本形式，可以通过各种机制从一个物体转移到另一个物体。热传递的最重要方法之一被称为通过导热进行的热传输。这个过程发生在热量通过材料移动，而材料本身并不移动。简单来说，它是通过分子之间的直接接触来传递热能。理解这个概念在工程、物理学甚至日常生活中都是至关重要的。为了更好地掌握通过导热进行的热传输的概念，我们可以考虑一个常见的例子：放在热咖啡杯中的金属勺子。当勺子与热液体接触时，咖啡的热量通过导热转移到勺子上。由于高温，咖啡中的分子快速运动，当它们与勺子中的分子碰撞时，会转移一些能量。这种转移会持续进行，直到勺子和咖啡的温度达到平衡。通过导热进行的热传输的效率取决于几个因素，包括材料的热导率、表面积以及两个物体之间的温差。不同材料的导热能力不同；例如，铜和铝等金属是优秀的导体，而木材和橡胶等材料则是较差的导体或绝缘体。这一特性在设计建筑、家电和其他许多需要热管理的产品时至关重要。在工程应用中，通过导热进行的热传输在热管理系统中发挥着重要作用。例如，在电子设备中，组件产生的过多热量如果不加以适当散发，将导致故障。工程师通常使用高热导率的材料制作散热器，以便将热量从敏感部件引走，确保设备的最佳性能和寿命。此外，理解通过导热进行的热传输在环境科学中也很重要。例如，土壤的热性质影响热量的吸收和释放，这反过来又影响植物生长和气候模式。通过研究这些性质，科学家可以制定更好的农业实践，并为可持续环境管理做出贡献。在日常生活中，我们在各种情况下都遇到通过导热进行的热传输。烹饪就是最常见的例子之一；在使用锅和煎锅时，炉灶的热量通过材料传导到食物上，使其均匀烹饪。同样，根据不同天气条件穿着适当的衣物涉及理解不同面料的导热性。例如，羊毛以其绝缘特性而闻名，非常适合寒冷天气，而棉花则更透气，适合温暖气候。总之，通过导热进行的热传输是一个关键概念，影响着我们生活的多个方面，从技术应用到自然过程。通过认识到这一现象的重要性，我们可以在工程、环境科学和日常活动中做出明智的决定。随着我们继续在这些领域探索和创新，对热传递机制的深入理解无疑将增强我们设计高效系统的能力，提高我们的生活质量。