launching drag

简明释义

下水减速设施

英英释义

例句

1.The engineer calculated the launching drag to ensure the rocket would reach its intended altitude.

工程师计算了发射阻力以确保火箭能达到预定高度。

2.Reducing the launching drag is crucial for improving the efficiency of the spacecraft.

减少发射阻力对提高航天器的效率至关重要。

3.During testing, the team measured the launching drag at various speeds.

在测试过程中，团队测量了不同速度下的发射阻力。

4.To optimize performance, we need to analyze the factors affecting launching drag.

为了优化性能，我们需要分析影响发射阻力的因素。

5.The aerodynamic design helps minimize the launching drag during takeoff.

空气动力学设计有助于在起飞时最小化发射阻力。

作文

In the field of aerospace engineering, understanding the various forces acting on an aircraft during its flight is crucial for design and performance optimization. One of these critical forces is known as launching drag, which refers to the aerodynamic resistance encountered by an aircraft at the moment of takeoff. This phenomenon plays a significant role in determining how efficiently an aircraft can ascend into the sky. When an aircraft is launched, it must overcome not only the force of gravity but also the launching drag that opposes its motion. The concept of launching drag is particularly important when designing aircraft that are intended for high-speed travel or those that need to operate in challenging environments. Engineers must carefully consider the shape and structure of the aircraft to minimize this type of drag. For instance, a streamlined fuselage can significantly reduce launching drag, allowing the aircraft to gain altitude more quickly and efficiently. Moreover, the angle of attack during takeoff also affects launching drag. If the angle is too steep, the drag will increase, making it harder for the aircraft to achieve lift. Conversely, if the angle is too shallow, the aircraft may not generate enough lift to take off. Therefore, pilots and engineers must work together to find the optimal takeoff configuration that balances speed and lift while minimizing launching drag. In addition to aircraft design, launching drag has implications for pilot training and operational procedures. Pilots must be trained to understand how to manage the forces acting on their aircraft during takeoff, including launching drag. This knowledge helps them make informed decisions about when to rotate the aircraft and how to adjust their speed to ensure a successful takeoff. Furthermore, different weather conditions can also influence launching drag. For example, flying into a headwind can increase the relative speed of the air over the wings, which may help to reduce launching drag and improve lift. On the other hand, a tailwind can exacerbate launching drag, making it essential for pilots to account for these variables when planning a flight. Ultimately, the study of launching drag is vital for enhancing the safety and efficiency of aviation operations. As technology continues to advance, engineers are developing new materials and designs that further reduce launching drag, leading to more fuel-efficient aircraft and improved performance. By understanding and addressing the challenges posed by launching drag, the aviation industry can continue to evolve and meet the demands of modern air travel. In conclusion, launching drag is a fundamental concept in aerospace engineering that impacts aircraft design, pilot training, and operational efficiency. By recognizing the importance of this aerodynamic force, engineers and pilots can work together to optimize aircraft performance and enhance the overall safety of air travel. As we look to the future, ongoing research and innovation will undoubtedly lead to further advancements in reducing launching drag and improving the aviation industry as a whole.

在航空航天工程领域，理解在飞行过程中作用于飞机的各种力量对于设计和性能优化至关重要。其中一个关键力量被称为起飞阻力，指的是飞机在起飞时遇到的空气动力学阻力。这一现象在决定飞机如何高效地升空方面发挥着重要作用。当飞机起飞时，它必须克服重力的作用，同时还要克服反对其运动的起飞阻力。起飞阻力的概念在设计那些旨在高速飞行或需要在恶劣环境中操作的飞机时尤为重要。工程师们必须仔细考虑飞机的形状和结构，以最小化这种类型的阻力。例如，流线型机身可以显著减少起飞阻力，使飞机能够更快、更高效地升空。此外，起飞时的攻角也会影响起飞阻力。如果攻角过陡，阻力将增加，使飞机更难获得升力。相反，如果攻角过平，飞机可能无法产生足够的升力以起飞。因此，飞行员和工程师必须共同努力，找到最佳的起飞配置，以平衡速度和升力，同时最小化起飞阻力。除了飞机设计，起飞阻力对飞行员培训和操作程序也有影响。飞行员必须接受培训，以了解如何管理飞机在起飞过程中所受的力量，包括起飞阻力。这一知识帮助他们做出明智的决策，关于何时抬头以及如何调整速度以确保成功起飞。此外，不同的天气条件也会影响起飞阻力。例如，迎风起飞可以增加翼面上的相对气流速度，这可能有助于减少起飞阻力并改善升力。另一方面，顺风起飞可能会加剧起飞阻力，因此飞行员在规划飞行时必须考虑这些变量。最终，研究起飞阻力对于提高航空运营的安全性和效率至关重要。随着技术的不断进步，工程师们正在开发新材料和设计，以进一步减少起飞阻力，从而实现更高的燃油效率和改进的性能。通过理解和应对起飞阻力所带来的挑战，航空行业能够不断发展，以满足现代航空旅行的需求。总之，起飞阻力是航空航天工程中的一个基本概念，影响着飞机设计、飞行员培训和操作效率。通过认识到这一空气动力学力量的重要性，工程师和飞行员可以共同努力优化飞机性能，提高航空旅行的整体安全性。展望未来，持续的研究和创新无疑将导致进一步减少起飞阻力和改善整个航空行业的进展。