appendage drag

简明释义

附体阻力

英英释义

例句

1.The research paper discussed various methods to reduce appendage drag in marine vessels.

这篇研究论文讨论了减少海洋船只中附加阻力的各种方法。

2.Reducing appendage drag is crucial for improving fuel efficiency in modern vehicles.

减少附加阻力对提高现代车辆的燃油效率至关重要。

3.The engineers calculated the impact of appendage drag on the aircraft's performance during flight tests.

工程师在飞行测试中计算了附加阻力对飞机性能的影响。

4.In swimming, appendage drag can significantly affect a swimmer's speed and efficiency.

在游泳中，附加阻力会显著影响游泳者的速度和效率。

5.The design team focused on minimizing appendage drag in their new boat prototype.

设计团队专注于在新船原型中最小化附加阻力。

作文

In the world of aerodynamics, understanding the factors that influence flight performance is crucial. One of these factors is known as appendage drag, which refers to the resistance experienced by an aircraft due to its external components or appendages, such as wings, landing gear, and other protruding structures. This phenomenon plays a significant role in determining the overall efficiency and speed of an aircraft.When an aircraft is in motion, air flows over its surface. However, not all parts of the aircraft are designed to be aerodynamic. The presence of appendage drag can lead to increased fuel consumption and reduced performance. For instance, when landing gear is extended during flight, it creates additional turbulence and resistance, which can hinder the aircraft's ability to maintain speed and altitude. This is why many modern aircraft are designed with retractable landing gear that minimizes drag when not in use.The impact of appendage drag is not limited to just landing gear. Other appendages, such as winglets and control surfaces, can also contribute to drag. Winglets, for example, are small vertical fins at the tips of wings that help reduce vortex formation and improve lift. While they serve a beneficial purpose, they can also introduce their own form of drag. Engineers must carefully balance the benefits of these appendages with the potential increase in drag they may cause.Moreover, the shape and design of these appendages are critical in managing appendage drag. A well-designed wing, for instance, can optimize airflow and minimize drag, while poorly designed appendages can create significant resistance. This is why aerospace engineers invest a great deal of time in wind tunnel testing and computational fluid dynamics simulations to analyze how different designs will perform in real-world conditions.Another important aspect to consider is the effect of appendage drag on overall operational costs. Airlines are constantly looking for ways to reduce fuel consumption, and minimizing drag is one of the most effective strategies. By optimizing the design of aircraft appendages, manufacturers can produce more efficient planes that save airlines money in fuel expenses. This not only benefits the airline industry but also has a positive environmental impact by reducing carbon emissions.In conclusion, appendage drag is a critical concept in aerodynamics that affects the performance and efficiency of aircraft. Understanding the sources and implications of this drag allows engineers to design better aircraft that meet the demands of modern aviation. As technology continues to advance, the focus on minimizing appendage drag will remain a priority for engineers and manufacturers alike, ensuring that the future of flight is both efficient and sustainable.

在空气动力学的世界中，理解影响飞行性能的因素至关重要。其中一个因素被称为附加物阻力，指的是由于飞机的外部组件或附加物（如机翼、起落架和其他突出结构）而产生的阻力。这种现象在决定飞机的整体效率和速度方面发挥着重要作用。当飞机运动时，空气流过其表面。然而，并不是所有部分都设计成具有空气动力学特性。附加物阻力的存在可能导致燃料消耗增加和性能下降。例如，当起落架在飞行过程中伸出时，会产生额外的湍流和阻力，这可能妨碍飞机维持速度和高度。这就是为什么许多现代飞机设计有可收回的起落架，以在不使用时最小化阻力。附加物阻力的影响不仅限于起落架。其他附加物，如翼尖和控制面，也会对阻力产生贡献。例如，翼尖是位于机翼末端的小垂直鳍，帮助减少涡流形成并改善升力。虽然它们具有有益的作用，但也可能引入自身的阻力。工程师必须仔细平衡这些附加物的好处与它们可能造成的阻力增加。此外，这些附加物的形状和设计在管理附加物阻力中至关重要。设计良好的机翼可以优化气流并最小化阻力，而设计不佳的附加物可能会产生显著的阻力。这就是为什么航空工程师在风洞测试和计算流体动力学模拟中投入大量时间，以分析不同设计在实际条件下的表现。另一个重要的考虑因素是附加物阻力对整体运营成本的影响。航空公司不断寻找减少燃料消耗的方法，而最小化阻力是最有效的策略之一。通过优化飞机附加物的设计，制造商可以生产更高效的飞机，从而为航空公司节省燃料费用。这不仅对航空业有利，还有助于通过减少碳排放来积极影响环境。总之，附加物阻力是空气动力学中的一个关键概念，影响飞机的性能和效率。理解这种阻力的来源和影响使工程师能够设计出更好的飞机，以满足现代航空的需求。随着技术的不断进步，最小化附加物阻力将继续成为工程师和制造商的优先事项，确保未来的飞行既高效又可持续。