ram drag
简明释义
冲压阻力
英英释义
例句
1.In high-speed conditions, ram drag 迎头阻力 becomes a critical factor in performance.
在高速条件下,迎头阻力成为性能的关键因素。
2.The engineers calculated the ram drag 迎头阻力 to optimize the aircraft's design.
工程师计算了迎头阻力以优化飞机的设计。
3.During the flight, the pilot had to manage the ram drag 迎头阻力 effectively to maintain speed.
在飞行过程中,飞行员必须有效管理迎头阻力以保持速度。
4.The ram drag 迎头阻力 can significantly affect fuel efficiency during long flights.
在长途飞行中,迎头阻力会显著影响燃油效率。
5.To reduce ram drag 迎头阻力, many modern jets use streamlined designs.
为了减少迎头阻力,许多现代喷气式飞机采用流线型设计。
作文
In the world of aviation, understanding the various forces that act on an aircraft is crucial for both safety and efficiency. One such force, which often goes unnoticed by the average passenger, is known as ram drag. This term refers to the aerodynamic resistance experienced by an aircraft as it moves through the air, particularly at high speeds. The concept of ram drag is essential for pilots and engineers alike, as it directly impacts fuel efficiency and overall performance. When an aircraft flies, it displaces air in front of it. As the plane accelerates, the air molecules are pushed aside, creating a region of lower pressure behind the aircraft. This phenomenon is particularly pronounced at higher velocities, where the speed of the aircraft can significantly affect the amount of air being displaced. The faster the aircraft moves, the more pronounced the effects of ram drag become. The impact of ram drag can be observed during various phases of flight, particularly during takeoff and landing. During takeoff, pilots must carefully manage their speed to ensure that the aircraft can overcome this drag and achieve lift. If the speed is too low, the aircraft may struggle to take off, while excessive speed can lead to challenges in controlling the aircraft. Similarly, during landing, understanding ram drag allows pilots to adjust their approach speed and descent rate to ensure a smooth landing. Moreover, ram drag is not just a concern for pilots; it also plays a significant role in aircraft design. Engineers must consider this force when creating new aircraft models to optimize their performance. By minimizing ram drag, manufacturers can enhance fuel efficiency, reduce operational costs, and improve the overall flying experience for passengers. For instance, the shape of an aircraft’s fuselage and wings can be designed to minimize drag, allowing for smoother airflow and better performance. In addition to its implications for flight performance, ram drag also has environmental considerations. As airlines strive to reduce their carbon footprints, understanding and mitigating ram drag becomes increasingly important. By improving fuel efficiency through better aerodynamics, airlines can decrease their fuel consumption, leading to lower greenhouse gas emissions. This is a critical step in the aviation industry's efforts to combat climate change and promote sustainable practices. In conclusion, ram drag is a fundamental concept in aviation that encompasses the aerodynamic forces acting on an aircraft as it travels through the air. From its effects on flight performance to its implications for aircraft design and environmental sustainability, understanding ram drag is essential for anyone involved in the aviation industry. As technology continues to advance, the importance of managing ram drag will only grow, paving the way for more efficient and environmentally friendly air travel in the future.
在航空领域,理解作用于飞机的各种力对于安全和效率至关重要。其中一个常被忽视的力量被称为ram drag。这个术语指的是飞机在高速飞行时所经历的空气动力阻力。ram drag的概念对于飞行员和工程师来说都非常重要,因为它直接影响燃油效率和整体性能。当飞机飞行时,它会在前方排开空气。随着飞机加速,空气分子被推开,在飞机后面形成一个低压区域。这种现象在高速下尤为明显,飞机的速度可以显著影响排开的空气量。飞机移动得越快,ram drag的影响就越明显。ram drag的影响可以在飞行的各个阶段观察到,特别是在起飞和着陆期间。在起飞过程中,飞行员必须仔细管理速度,以确保飞机能够克服这种阻力并获得升力。如果速度太低,飞机可能会难以起飞,而过快的速度则可能导致操控上的挑战。同样,在着陆过程中,理解ram drag使飞行员能够调整其进近速度和下降率,以确保平稳着陆。此外,ram drag不仅是飞行员关心的问题,它在飞机设计中也起着重要作用。工程师在创建新飞机模型时必须考虑这一力量,以优化其性能。通过最小化ram drag,制造商可以提高燃油效率,降低运营成本,并改善乘客的整体飞行体验。例如,飞机机身和机翼的形状可以设计得更流线型,以减少阻力,从而实现更顺畅的气流和更好的性能。除了对飞行性能的影响外,ram drag还有环境方面的考虑。随着航空公司努力减少碳足迹,理解和减轻ram drag变得愈发重要。通过改进空气动力学来提高燃油效率,航空公司可以减少燃料消耗,从而降低温室气体排放。这是航空业应对气候变化和促进可持续实践的重要一步。总之,ram drag是航空中的一个基本概念,涵盖了飞机在穿越空气时作用于其上的空气动力学力量。从其对飞行性能的影响到对飞机设计和环境可持续性的影响,理解ram drag对任何参与航空业的人来说都是必不可少的。随着技术的不断进步,管理ram drag的重要性只会增加,为未来更高效和环保的航空旅行铺平道路。