air draght

简明释义

水上高度

英英释义

例句

1.The air draght 空气阻力 on the airplane was significantly reduced by its streamlined design.

飞机的air draght 空气阻力因其流线型设计而显著降低。

2.Engineers designed the new car model to reduce air draght 空气阻力 for better fuel efficiency.

工程师们设计了新的汽车模型，以减少air draght 空气阻力，以提高燃油效率。

3.Athletes often train in wind tunnels to understand air draght 空气阻力 and improve their performance.

运动员们常常在风洞中训练，以了解air draght 空气阻力并提高他们的表现。

4.To achieve higher speeds, the cyclist needed to minimize air draght 空气阻力 while riding.

为了达到更高的速度，骑自行车的人需要在骑行时最小化air draght 空气阻力。

5.The pilot adjusted the altitude to minimize air draght 空气阻力 during the flight.

飞行员调整了高度，以最小化air draght 空气阻力。

作文

In the world of aviation and aerodynamics, understanding the forces that act on an aircraft is crucial for both design and performance. One of the most significant forces is known as air draght, which refers to the resistance an object encounters as it moves through the air. This force plays a pivotal role in determining how efficiently an aircraft can fly, impacting everything from fuel consumption to speed and stability.When an aircraft takes to the skies, it must overcome several forces: lift, weight, thrust, and drag. Among these, air draght is particularly critical, as it directly opposes the thrust produced by the engines. The greater the air draght, the more thrust is required to maintain flight. This means that aircraft designers must carefully consider the shape and materials of the aircraft to minimize drag and enhance performance.There are two primary types of air draght: parasitic drag and induced drag. Parasitic drag occurs due to the shape and surface characteristics of the aircraft, including skin friction and form drag. For example, a sleek, streamlined fuselage will experience less parasitic drag compared to a bulky, irregularly shaped one. On the other hand, induced drag is related to the generation of lift. As an aircraft generates lift, it also creates vortices that increase drag. This type of drag is more pronounced at lower speeds and becomes less significant as the aircraft accelerates.To effectively reduce air draght, engineers employ various strategies during the design phase. They may utilize computational fluid dynamics (CFD) simulations to visualize airflow around the aircraft and identify areas where drag can be minimized. Additionally, the use of advanced materials and aerodynamic shapes can significantly improve performance. For instance, modern aircraft often feature winglets, which are small vertical extensions at the tips of the wings that help reduce induced drag by smoothing out the airflow.Understanding air draght is not just essential for aircraft manufacturers; it is also vital for pilots and aviation enthusiasts. Pilots must be aware of how drag affects their aircraft's performance, especially during takeoff and landing phases. For instance, during takeoff, a pilot must ensure that the aircraft reaches a certain speed to generate enough lift to counteract both weight and drag. Similarly, during landing, managing air draght is crucial for a safe descent and touchdown.In conclusion, air draght is a fundamental concept in the field of aviation that encompasses the resistance faced by an aircraft as it navigates through the atmosphere. By understanding and mitigating the effects of drag, engineers and pilots can enhance the efficiency, safety, and performance of aircraft. As technology continues to advance, our ability to manage air draght will undoubtedly lead to even more efficient and capable flying machines, paving the way for the future of aviation.

在航空和空气动力学的世界中，理解作用于飞机的力对于设计和性能至关重要。其中一个最重要的力被称为空气阻力，指的是物体在空气中移动时遇到的阻力。这种力量在决定飞机飞行效率方面发挥着关键作用，影响着燃料消耗、速度和稳定性等各个方面。当飞机起飞时，它必须克服几种力量：升力、重力、推力和阻力。在这些力量中，空气阻力尤其重要，因为它直接与发动机产生的推力相对抗。空气阻力越大，维持飞行所需的推力就越多。这意味着飞机设计师必须仔细考虑飞机的形状和材料，以最小化阻力并增强性能。空气阻力主要有两种类型：寄生阻力和诱导阻力。寄生阻力是由于飞机的形状和表面特性引起的，包括表面摩擦和形状阻力。例如，流线型的机身相比于笨重、不规则的机身会经历更少的寄生阻力。另一方面，诱导阻力与升力的生成有关。当飞机产生升力时，它也会产生增加阻力的涡流。这种类型的阻力在较低速度时更为明显，而随着飞机加速则变得不那么重要。为了有效减少空气阻力，工程师在设计阶段采用各种策略。他们可能会利用计算流体动力学（CFD）模拟来可视化气流在飞机周围的流动，并识别可以最小化阻力的区域。此外，使用先进的材料和空气动力学形状可以显著改善性能。例如，现代飞机通常配备翼尖小翼，这些小翼是翼尖的小垂直延伸，能够通过平滑气流来帮助减少诱导阻力。理解空气阻力不仅对飞机制造商至关重要，对飞行员和航空爱好者也是如此。飞行员必须意识到阻力如何影响飞机的性能，特别是在起飞和着陆阶段。例如，在起飞期间，飞行员必须确保飞机达到一定速度，以产生足够的升力来抵消重力和阻力。同样，在着陆期间，管理空气阻力对于安全下降和着陆至关重要。总之，空气阻力是航空领域的一个基本概念，涵盖了飞机在大气中导航时所面临的阻力。通过理解和减轻阻力的影响，工程师和飞行员可以提高飞机的效率、安全性和性能。随着技术的不断进步，我们管理空气阻力的能力无疑将导致更高效、更强大的飞行器，为航空的未来铺平道路。