heat shield

简明释义

隔热罩热屏蔽热屏蔽

英英释义

例句

1.Engineers designed a new type of heat shield to improve the safety of the spacecraft.

工程师设计了一种新型的热盾以提高航天器的安全性。

2.NASA has developed advanced materials for the heat shield to withstand higher temperatures.

NASA开发了先进材料用于热盾以承受更高的温度。

3.The spacecraft's heat shield protected it from the intense heat during re-entry into the Earth's atmosphere.

航天器的热盾在重新进入地球大气层时保护它免受强烈的高温。

4.The heat shield is crucial for protecting astronauts during their return journey.

在宇航员返回旅程中，热盾对于保护他们至关重要。

5.During the test flight, the heat shield showed excellent performance under extreme conditions.

在测试飞行中，热盾在极端条件下表现出色。

作文

In the realm of aerospace engineering, the term heat shield refers to a critical component designed to protect spacecraft and their occupants from the extreme temperatures encountered during atmospheric entry. When a spacecraft re-enters the Earth's atmosphere, it experiences intense friction with air molecules, generating heat that can exceed thousands of degrees Celsius. Without a proper heat shield, the spacecraft would be subjected to temperatures that could lead to catastrophic failure, risking the lives of astronauts onboard and the success of the mission. The development of effective heat shields has been a significant focus for engineers and scientists. Various materials and designs have been tested to ensure that they can withstand the harsh conditions of re-entry. For instance, many modern spacecraft utilize ablative materials, which are designed to absorb and dissipate heat while eroding away in a controlled manner. This process not only protects the underlying structure of the spacecraft but also helps to manage the heat load effectively.One of the most famous examples of a heat shield in action is the Apollo Lunar Module, which transported astronauts to the Moon and back. Its heat shield was specifically engineered to protect against the intense heat generated during re-entry into the Earth's atmosphere. The successful return of Apollo missions demonstrated the effectiveness of this technology and paved the way for future exploration endeavors.In addition to the Apollo missions, the Mars rover missions have also highlighted the importance of heat shields. When the rovers enter the Martian atmosphere, they face similar challenges as those encountered during re-entry to Earth. Engineers have developed specialized heat shields to ensure that these robotic explorers can survive the descent and function properly once they reach the surface.Moreover, the concept of heat shields is not limited to space exploration. It has applications in various fields, including automotive and military industries. For example, high-performance vehicles often incorporate heat shields to protect sensitive components from the excessive heat produced by the engine. In military applications, heat shields are crucial for protecting equipment and personnel from the heat generated by explosions or other combat scenarios.As technology advances, the design and materials used in heat shields continue to evolve. Researchers are exploring new approaches, such as the use of nanomaterials and advanced composites, to enhance the performance of heat shields further. These innovations may lead to even more resilient and efficient designs, ensuring the safety and success of future missions.In conclusion, the heat shield is an indispensable component in the field of aerospace engineering, serving as a barrier against extreme temperatures during atmospheric entry. Its development has played a pivotal role in the success of numerous space missions and continues to influence various industries. As we push the boundaries of exploration and technology, the importance of heat shields will only grow, safeguarding both human and robotic endeavors in our quest to understand the universe.

在航空航天工程领域，术语热防护罩指的是一种关键组件，旨在保护航天器及其乘员免受大气再入过程中遇到的极端温度。当航天器重新进入地球大气层时，它会与空气分子发生剧烈摩擦，产生的热量可能超过数千摄氏度。如果没有适当的热防护罩，航天器将面临可能导致灾难性故障的温度，这不仅危及机组人员的生命，还可能影响任务的成功。有效的热防护罩的开发一直是工程师和科学家的重要关注点。各种材料和设计经过测试，以确保它们能够承受再入过程中的恶劣条件。例如，许多现代航天器采用了烧蚀材料，这些材料旨在吸收和散发热量，同时以可控的方式侵蚀。这一过程不仅保护了航天器的基础结构，还有效地管理了热负荷。一个著名的热防护罩实例是阿波罗登月舱，它将宇航员送往月球并安全返回。其热防护罩专门设计用于保护航天器在重新进入地球大气层时所产生的强烈热量。阿波罗任务的成功返回展示了这一技术的有效性，并为未来的探索任务铺平了道路。除了阿波罗任务，火星探测车任务也突显了热防护罩的重要性。当探测车进入火星大气层时，它们面临着与重新进入地球时相似的挑战。工程师们开发了专门的热防护罩，以确保这些机器人探测器能够在下降过程中幸存下来，并在到达表面后正常运作。此外，热防护罩的概念并不限于太空探索。它在汽车和军事工业等多个领域也有应用。例如，高性能车辆通常会使用热防护罩来保护敏感组件免受发动机产生的过热影响。在军事应用中，热防护罩对于保护设备和人员免受爆炸或其他战斗场景产生的热量至关重要。随着技术的进步，热防护罩的设计和材料也在不断演变。研究人员正在探索新的方法，例如使用纳米材料和先进复合材料，以进一步增强热防护罩的性能。这些创新可能会导致更具韧性和高效的设计，从而确保未来任务的安全和成功。总之，热防护罩是航空航天工程领域不可或缺的组成部分，充当大气再入过程中极端温度的屏障。它的发展在众多太空任务的成功中发挥了关键作用，并继续影响各个行业。随着我们不断拓展探索和技术的边界，热防护罩的重要性只会增加，保护人类和机器人在我们理解宇宙的追求中的努力。