ablative material

简明释义

烧蚀材料

英英释义

例句

1.The engineers selected a lightweight ablative material to enhance the performance of the satellite.

工程师们选择了一种轻质的 ablative material以提升卫星的性能。

2.During the testing phase, the ablative material showed significant wear after several high-heat simulations.

在测试阶段， ablative material在几次高热模拟后显示出显著磨损。

3.The spacecraft is designed with an ablative material to protect it during re-entry into the Earth's atmosphere.

这艘航天器采用了 ablative material来保护它在重新进入地球大气层时。

4.The ablative material used in rocket nozzles helps to manage extreme temperatures during launch.

火箭喷嘴中使用的 ablative material有助于管理发射过程中的极端温度。

5.Engineers tested various types of ablative material to determine which would provide the best thermal protection.

工程师测试了多种类型的 ablative material以确定哪种能提供最佳的热保护。

作文

In the field of aerospace engineering, one of the most critical components in the design of spacecraft is the use of ablative material. This term refers to materials that are designed to erode or vaporize when exposed to intense heat and friction during atmospheric re-entry. The primary purpose of ablative material is to protect the underlying structure of the spacecraft from the extreme temperatures that can exceed thousands of degrees Celsius. Without effective ablative material, the integrity of the spacecraft would be compromised, leading to potential failure and loss of mission. The concept of ablative material can be traced back to early space missions, where engineers realized that traditional materials could not withstand the harsh conditions of re-entry. As a result, they developed specialized composites that could absorb and dissipate heat effectively. These materials work by creating a protective barrier; as the outer layer burns away, it carries heat with it, preventing it from reaching the core of the spacecraft.One of the most famous examples of ablative material in action is the heat shield used on NASA's Apollo missions. The Apollo spacecraft employed a type of ablative material known as phenolic resin, which was crucial in protecting astronauts during their return to Earth. This innovative material allowed the spacecraft to survive the intense re-entry phase, ultimately ensuring the safety of the crew.In recent years, advancements in material science have led to the development of new types of ablative material, including those that incorporate advanced ceramics and carbon-based composites. These new materials offer improved thermal resistance and lower weight, making them ideal for modern spacecraft designs. For instance, the Space Shuttle utilized reinforced carbon-carbon (RCC) as its ablative material on the leading edges of its wings, showcasing how far technology has come since the early days of space exploration.The importance of ablative material extends beyond just spacecraft; it is also used in various military applications, such as missile technology and high-speed projectiles. In these scenarios, ablative material serves to protect sensitive components from the heat generated during flight, ensuring that the systems remain operational even under extreme conditions.In conclusion, the role of ablative material in aerospace engineering cannot be overstated. It is a vital component that enables safe re-entry into the Earth's atmosphere and protects both human life and valuable equipment. As technology continues to advance, the development of more efficient and effective ablative material will undoubtedly play a significant role in future explorations, whether they be manned missions to Mars or the next generation of satellites. Understanding and improving ablative material will remain a key focus for engineers and scientists as we push the boundaries of what is possible in the realm of aerospace travel.

在航空航天工程领域，航天器设计中最关键的组成部分之一就是使用 ablative material 。这个术语指的是那些在大气重返过程中暴露于强烈热量和摩擦时，设计为侵蚀或气化的材料。 ablative material 的主要目的是保护航天器的基础结构不受极端温度的影响，这些温度可以超过数千摄氏度。如果没有有效的 ablative material ，航天器的完整性将受到损害，导致潜在的故障和任务的丧失。 ablative material 的概念可以追溯到早期的太空任务，当时工程师们意识到传统材料无法承受重返过程中的恶劣条件。因此，他们开发了能够有效吸收和散发热量的专用复合材料。这些材料通过创建保护屏障来工作；当外层燃烧时，它带走热量，从而防止其到达航天器的核心。 ablative material 在NASA的阿波罗任务中得到了最著名的应用实例。阿波罗航天器采用了一种称为酚醛树脂的 ablative material ，这对保护宇航员在返回地球时至关重要。这种创新材料使航天器能够在剧烈的重返阶段幸存下来，最终确保了机组人员的安全。近年来，材料科学的进步导致了新型 ablative material 的开发，包括那些结合先进陶瓷和碳基复合材料的材料。这些新材料提供了更好的热阻力和更低的重量，使它们成为现代航天器设计的理想选择。例如，航天飞机在其机翼的前缘使用了增强碳碳（RCC）作为其 ablative material ，展示了自早期太空探索以来技术的进步。 ablative material 的重要性不仅限于航天器；它还用于各种军事应用，如导弹技术和高速弹丸。在这些情况下， ablative material 用于保护敏感组件免受飞行过程中产生的热量的影响，确保系统即使在极端条件下也能正常运行。总之， ablative material 在航空航天工程中的作用不可低估。它是使安全重返地球大气层并保护人类生命和宝贵设备的重要组成部分。随着技术的不断进步，更高效和有效的 ablative material 的发展无疑将在未来的探索中发挥重要作用，无论是载人火星任务还是下一代卫星。理解和改进 ablative material 将始终是工程师和科学家的重点，因为我们在航空航天旅行的领域不断推进可能的边界。