thermal barrier

简明释义

热障

英英释义

例句

1.The new insulation material acts as a thermal barrier to reduce heat loss in buildings.

新型绝缘材料作为热障，减少建筑物的热量损失。

2.Installing a thermal barrier in your attic can significantly lower your heating bills during winter.

在阁楼中安装热障可以显著降低冬季的取暖费用。

3.Researchers are developing more effective thermal barriers for use in high-temperature industrial processes.

研究人员正在开发更有效的热障，用于高温工业过程。

4.The thermal barrier applied to the engine components helps maintain optimal operating temperatures.

施加在发动机部件上的热障有助于维持最佳工作温度。

5.In aerospace engineering, a thermal barrier is crucial for protecting spacecraft from extreme temperatures.

在航空航天工程中，热障对保护航天器免受极端温度至关重要。

作文

In the field of engineering and materials science, the concept of a thermal barrier plays a crucial role in enhancing the performance and longevity of various components. A thermal barrier refers to a material or structure that is designed to reduce the transfer of heat between two environments. This is particularly important in applications where high temperatures can lead to failure or degradation of materials. For instance, in aerospace engineering, aircraft engines operate at extremely high temperatures, and thus, the use of thermal barriers is essential to protect sensitive components from heat damage.The effectiveness of a thermal barrier is often measured by its thermal conductivity, which indicates how well a material can insulate against heat transfer. Materials with low thermal conductivity are ideal for use as thermal barriers. Common examples include ceramics, fiberglass, and certain polymers. These materials can withstand high temperatures while providing insulation, making them suitable for various applications, including industrial furnaces and heat exchangers.Moreover, the design of a thermal barrier system can vary significantly depending on the specific application and requirements. In some cases, multiple layers of different materials may be used to create a composite thermal barrier that optimizes performance. For example, a layered approach can enhance the overall efficiency of heat resistance while minimizing weight, which is particularly advantageous in aerospace applications.In addition to aerospace, thermal barriers are also widely utilized in the automotive industry. As vehicles strive for better fuel efficiency and performance, managing heat becomes increasingly important. Thermal barriers are employed in engine compartments to protect sensitive electronic components and improve overall reliability. By minimizing heat transfer, these barriers help maintain optimal operating temperatures, thereby extending the lifespan of critical parts.Furthermore, the importance of thermal barriers extends beyond industrial applications; they also play a significant role in building construction. In modern architecture, energy efficiency is a primary concern. Buildings are designed with thermal barriers to prevent heat loss during winter and to keep interiors cool during summer. Insulation materials, such as spray foam and rigid foam boards, serve as effective thermal barriers, contributing to reduced energy consumption and lower heating and cooling costs.In conclusion, the significance of thermal barriers cannot be overstated in various fields, including aerospace, automotive, and construction. Their ability to minimize heat transfer not only enhances the performance and safety of components but also promotes energy efficiency in buildings. As technology continues to advance, the development of new materials and designs for thermal barriers will likely lead to even greater innovations, ensuring that we can meet the challenges posed by high temperatures in a wide range of applications.

在工程和材料科学领域，热障的概念在提高各种组件的性能和耐用性方面起着至关重要的作用。热障是指一种旨在减少两个环境之间热传递的材料或结构。这在高温可能导致材料失效或降解的应用中尤为重要。例如，在航空航天工程中，飞机发动机在极高的温度下运行，因此使用热障对于保护敏感组件免受热损伤至关重要。热障的有效性通常通过其热导率来衡量，热导率表示材料隔热的能力。具有低热导率的材料非常适合用作热障。常见的例子包括陶瓷、玻璃纤维和某些聚合物。这些材料能够承受高温，同时提供绝缘，使它们适合用于工业炉和热交换器等各种应用。此外，热障系统的设计可以根据具体应用和要求有很大不同。在某些情况下，可能会使用多层不同材料来创建复合热障，以优化性能。例如，分层方法可以增强热阻的整体效率，同时最小化重量，这在航空航天应用中尤其有利。除了航空航天，热障还广泛应用于汽车工业。随着车辆追求更好的燃油效率和性能，热管理变得越来越重要。热障被用于发动机舱，以保护敏感的电子组件并提高整体可靠性。通过最小化热传递，这些障碍有助于保持最佳操作温度，从而延长关键部件的使用寿命。此外，热障的重要性不仅限于工业应用；它们在建筑施工中也发挥着重要作用。在现代建筑中，能源效率是主要关注点。建筑设计中使用热障以防止冬季热量流失，并在夏季保持室内凉爽。绝缘材料，如喷涂泡沫和刚性泡沫板，作为有效的热障，有助于减少能源消耗，降低供暖和制冷成本。总之，热障的重要性在航空航天、汽车和建筑等各个领域都不容小觑。它们减少热传递的能力不仅提高了组件的性能和安全性，还促进了建筑的能源效率。随着技术的不断进步，新的材料和热障设计的发展可能会带来更大的创新，确保我们能够应对各种应用中高温带来的挑战。