thermal insulator
简明释义
绝热器
英英释义
A thermal insulator is a material that reduces the transfer of heat between objects or environments, preventing heat loss or gain. | 热绝缘体是一种减少物体或环境之间热量传递的材料,防止热量的损失或获得。 |
例句
1.The jacket is filled with a lightweight thermal insulator 热绝缘体 that keeps you warm without adding bulk.
这件夹克填充了一种轻便的热绝缘体,可以在不增加体积的情况下保持温暖。
2.The walls of the house are made of a good thermal insulator 热绝缘体 to keep the heat inside during winter.
这所房子的墙壁由良好的热绝缘体制成,以在冬季保持室内温暖。
3.Using a thermal insulator 热绝缘体 in your coffee cup can help maintain the temperature of your drink for longer.
在咖啡杯中使用热绝缘体可以帮助更长时间保持饮料的温度。
4.In construction, a thermal insulator 热绝缘体 is essential for energy efficiency.
在建筑中,热绝缘体对能效至关重要。
5.Foam is often used as a thermal insulator 热绝缘体 in refrigerators to keep food cold.
泡沫通常用作冰箱中的热绝缘体,以保持食物冷却。
作文
In our daily lives, we often encounter various materials that help us manage temperature. One such important concept is that of a thermal insulator, which refers to a material that significantly reduces the rate of heat transfer. Understanding how thermal insulators work and their applications can greatly enhance our efficiency in energy consumption and comfort in our living environments. A thermal insulator is characterized by its ability to resist the flow of heat. Common examples include materials like rubber, glass wool, and polystyrene foam. These materials are widely used in construction, packaging, and even clothing to prevent heat loss or gain. For instance, when building a house, proper insulation using thermal insulators can keep the interior warm during winter and cool during summer. This not only enhances comfort but also reduces the need for excessive heating or cooling systems, leading to energy savings.The science behind thermal insulators lies in their molecular structure. Most thermal insulators contain air pockets or have a low density, which inhibits the movement of heat. When heat attempts to transfer through these materials, it encounters resistance, thereby slowing down the process. This principle can be observed in everyday items like thermos flasks, which use vacuum insulation to keep liquids hot or cold for extended periods. The vacuum acts as a barrier, preventing heat from escaping or entering, demonstrating the effectiveness of a thermal insulator.Moreover, the importance of thermal insulators extends beyond mere comfort. In industrial applications, they play a crucial role in maintaining the efficiency of processes. For example, in power plants, high-temperature pipes are often wrapped with thermal insulators to minimize heat loss, thereby optimizing energy production. Additionally, in the food industry, thermal insulators are used in refrigerated transport to keep perishable goods at safe temperatures, ensuring quality and safety.In recent years, advancements in technology have led to the development of more effective thermal insulators. Researchers are constantly exploring new materials and methods to improve insulation properties. For instance, aerogel, known as one of the lightest and most effective thermal insulators, has gained popularity in various applications due to its remarkable thermal resistance and lightweight nature. Such innovations not only contribute to energy efficiency but also promote sustainability by reducing carbon footprints.In conclusion, the role of thermal insulators in our lives cannot be overstated. From enhancing the comfort of our homes to improving energy efficiency in industrial processes, thermal insulators are essential components in modern society. As we continue to seek ways to conserve energy and protect our environment, understanding and utilizing thermal insulators will be crucial in achieving these goals. Therefore, investing in better insulation technology is not just a matter of comfort but a significant step towards a sustainable future.
在我们的日常生活中,我们经常遇到各种材料,这些材料帮助我们管理温度。其中一个重要的概念是热绝缘体,它指的是一种显著减少热传递速率的材料。理解热绝缘体的工作原理及其应用可以大大提高我们在能源消耗和生活环境舒适度方面的效率。热绝缘体的特点是能够抵抗热量的流动。常见的例子包括橡胶、玻璃棉和聚苯乙烯泡沫等材料。这些材料广泛用于建筑、包装甚至服装中,以防止热量的流失或获取。例如,在建造房屋时,使用合适的绝缘材料(如热绝缘体)可以在冬季保持室内温暖,在夏季保持凉爽。这不仅增强了舒适感,还减少了对过度供暖或制冷系统的需求,从而节省能源。热绝缘体背后的科学原理在于其分子结构。大多数热绝缘体含有空气口袋或密度较低,这抑制了热量的移动。当热量试图通过这些材料传递时,它会遇到阻力,从而减缓这个过程。这一原理可以在日常物品中观察到,比如保温瓶,它使用真空绝缘来保持液体在长时间内热或冷。真空作为屏障,防止热量逃逸或进入,展示了热绝缘体的有效性。此外,热绝缘体的重要性不仅限于舒适性。在工业应用中,它们在维持工艺效率方面发挥着至关重要的作用。例如,在发电厂,高温管道通常用热绝缘体包裹,以最小化热量损失,从而优化能源生产。此外,在食品行业,热绝缘体用于冷藏运输,以保持易腐食品在安全温度下,确保质量和安全。近年来,技术的进步导致了更有效的热绝缘体的发展。研究人员不断探索新材料和方法,以改善绝缘性能。例如,被称为世界上最轻且最有效的热绝缘体之一的气凝胶,由于其卓越的热阻和轻质特性,在各种应用中获得了广泛的关注。这些创新不仅有助于提高能源效率,还通过减少碳足迹促进可持续发展。总之,热绝缘体在我们生活中的作用不容小觑。从增强家庭的舒适性到提高工业过程的能源效率,热绝缘体是现代社会不可或缺的组成部分。随着我们继续寻求节约能源和保护环境的方法,理解和利用热绝缘体将对实现这些目标至关重要。因此,投资于更好的绝缘技术不仅仅是舒适的问题,而是朝着可持续未来迈出的重要一步。
相关单词