aeroshell

简明释义

英[ˈeərəʊˌʃel]美[ˌeəroʊˈʃel]

n. （航天器软着陆时用的）减速伞

英英释义

单词用法

同义词

反义词

例句

1.A rigid aeroshell for aerodynamic deceleration and landing impact will result in mass and sizes of the re_entry vehicles exceeding several times those of the payload bus.

长期以来返回式飞行器为承受再入气动载荷和着陆冲击，采用具有防热层的刚性飞行器壳体，导致返回舱的质量和外形大于有效载荷的数倍。

2.A rigid aeroshell for aerodynamic deceleration and landing impact will result in mass and sizes of the re_entry vehicles exceeding several times those of the payload bus.

长期以来返回式飞行器为承受再入气动载荷和着陆冲击，采用具有防热层的刚性飞行器壳体，导致返回舱的质量和外形大于有效载荷的数倍。

3.The aeroshell protects the payload from aerodynamic forces during launch.

气壳在发射期间保护有效载荷免受气动力的影响。

4.The aeroshell must be lightweight yet strong enough to endure high-speed travel.

气壳必须轻便但足够坚固，以承受高速旅行。

5.The spacecraft's aeroshell is designed to withstand extreme temperatures during re-entry.

航天器的气壳设计用于承受重返大气层时的极端温度。

6.Engineers are testing the aeroshell for its durability in various atmospheric conditions.

工程师们正在测试气壳在各种大气条件下的耐久性。

7.Innovations in aeroshell design have improved the efficiency of space missions.

在气壳设计上的创新提高了太空任务的效率。

作文

The term aeroshell refers to a protective outer structure that is designed to shield spacecraft or other vehicles during their atmospheric entry or re-entry. The concept of an aeroshell is critical in aerospace engineering because it plays a vital role in ensuring the safety and integrity of the vehicle it encases. When a spacecraft travels at high velocities through the atmosphere, it encounters extreme temperatures and pressures. The aeroshell serves as a barrier against these harsh conditions, preventing damage to the sensitive instruments and materials inside. In recent years, advancements in materials science have led to the development of more efficient and durable aeroshell designs. For instance, modern aeroshells often incorporate heat-resistant ceramics and advanced composites that can withstand the intense heat generated during re-entry. This innovation has significantly improved the performance of space missions, allowing for safer landings on planetary bodies such as Mars or returning to Earth from orbit.One of the most notable examples of an aeroshell in action is NASA's Mars Science Laboratory mission, which successfully landed the Curiosity rover on the Martian surface in 2012. The aeroshell used in this mission was crucial for protecting the rover during its descent through the thin Martian atmosphere. The design included a large heat shield that absorbed and dissipated heat while also providing aerodynamic stability. Without the effective use of an aeroshell, the mission would have faced significant risks of failure.Moreover, the study of aeroshells extends beyond just spacecraft. It also has applications in military technology, where similar structures are used to protect aircraft and missiles from the stresses of flight. Engineers constantly analyze and improve aeroshell designs to enhance their performance, focusing on factors such as weight reduction, cost-effectiveness, and increased thermal resistance.In conclusion, the aeroshell is a fundamental component in the field of aerospace engineering. Its ability to protect vehicles from extreme environmental conditions during atmospheric entry or re-entry makes it indispensable for successful space exploration and military applications. As technology progresses, we can expect even more innovative designs and materials that will further enhance the capabilities of aeroshells, paving the way for future advancements in aerospace missions and defense systems.

术语aeroshell指的是一种保护外壳，旨在保护航天器或其他车辆在大气进入或重返时免受损害。aeroshell的概念在航空航天工程中至关重要，因为它在确保其包裹的车辆的安全和完整性方面发挥着重要作用。当航天器以高速穿越大气层时，它会遇到极端的温度和压力。aeroshell作为这些恶劣条件的屏障，防止内部敏感仪器和材料受到损害。近年来，材料科学的进步导致了更高效、更耐用的aeroshell设计的发展。例如，现代aeroshells通常采用耐热陶瓷和先进复合材料，可以承受重返时产生的强烈热量。这一创新显著提高了太空任务的性能，使得在火星等行星表面的安全着陆成为可能，或者从轨道返回地球。最著名的aeroshell应用案例之一是美国宇航局的火星科学实验室任务，该任务于2012年成功将好奇号探测器着陆在火星表面。在这一任务中使用的aeroshell对于在稀薄的火星大气中保护探测器的下降至关重要。其设计包括一个大型热盾，能够吸收和散发热量，同时提供空气动力稳定性。如果没有有效的aeroshell，该任务将面临重大失败风险。此外，aeroshells的研究不仅限于航天器。它们在军事技术中也有应用，类似的结构用于保护飞机和导弹免受飞行压力的影响。工程师们不断分析和改进aeroshell设计，以提高其性能，关注减轻重量、降低成本和增加热阻等因素。总之，aeroshell是航空航天工程领域的基本组成部分。它在大气进入或重返过程中保护车辆免受极端环境条件的能力使其在成功的太空探索和军事应用中不可或缺。随着技术的进步，我们可以期待更加创新的设计和材料进一步增强aeroshells的能力，为未来的航空航天任务和防御系统的发展铺平道路。