drag increment

简明释义

阻力增量

英英释义

例句

1.The aircraft's performance was affected by the drag increment caused by the extended landing gear.

由于放下的起落架造成的阻力增量，飞机的性能受到了影响。

2.Engineers calculated the drag increment to optimize the car's aerodynamics during testing.

工程师在测试期间计算了阻力增量以优化汽车的空气动力学性能。

3.A higher drag increment can lead to increased fuel consumption in ships.

较高的阻力增量可能导致船只的燃料消耗增加。

4.The drag increment during the climb phase of flight is crucial for fuel efficiency.

飞行爬升阶段的阻力增量对燃油效率至关重要。

5.Understanding the drag increment helps designers create more efficient wind turbine blades.

了解阻力增量有助于设计师制作更高效的风力涡轮叶片。

作文

In the field of aerodynamics, understanding the forces acting on an aircraft is crucial for its design and performance. One of the key concepts that engineers need to consider is the drag increment, which refers to the additional drag force experienced by an aircraft as it undergoes changes in its configuration or operating conditions. This phenomenon can significantly impact the efficiency and overall performance of an aircraft, making it essential for designers to carefully analyze and minimize the drag increment during the development process.When an aircraft changes its angle of attack or speed, the airflow around its surfaces alters, leading to variations in drag. The drag increment can be influenced by several factors, including changes in wing shape, deployment of flaps, or even the presence of external stores like missiles or fuel tanks. Each of these modifications can introduce additional resistance, which ultimately affects the aircraft's fuel efficiency and range.For instance, when flaps are extended during landing, the drag increment increases to provide greater lift at lower speeds. While this is beneficial for safe landings, it also means that pilots must manage the trade-off between increased drag and reduced speed. Understanding this relationship is vital for flight safety and operational efficiency.Moreover, the drag increment is not only a concern during flight but also during the design phase of an aircraft. Engineers utilize computational fluid dynamics (CFD) simulations to predict how changes in design will affect the drag increment. By analyzing different configurations virtually, they can optimize the aircraft's shape to minimize drag and enhance performance before any physical prototypes are built. This approach saves time and resources while ensuring that the final product meets stringent performance criteria.In addition to its implications for aircraft design, the drag increment has broader applications in various fields, such as automotive engineering and marine design. In these industries, understanding how to reduce drag can lead to more fuel-efficient vehicles and vessels, contributing to sustainability efforts and cost savings for consumers.Ultimately, the concept of drag increment serves as a reminder of the complexities involved in the design and operation of vehicles that move through fluid environments. Engineers must balance various forces and design considerations to create efficient and safe modes of transportation. By mastering the intricacies of drag increment, professionals in these fields can contribute to advancements that benefit both the industry and society as a whole.In conclusion, the drag increment is a critical factor in understanding aerodynamic performance. Its implications span across different sectors, highlighting the importance of minimizing drag to enhance efficiency and safety. As technology continues to evolve, the study of drag increment will remain a vital area of focus for engineers and designers aiming to push the boundaries of what is possible in aviation and beyond.

在空气动力学领域，理解作用于飞机的力对于其设计和性能至关重要。工程师需要考虑的一个关键概念是阻力增量，它指的是当飞机在配置或操作条件发生变化时所经历的额外阻力。这种现象可能会显著影响飞机的效率和整体性能，因此设计者必须仔细分析并尽量减少阻力增量，以便在开发过程中取得最佳效果。当飞机改变攻角或速度时，气流在其表面周围会发生变化，导致阻力的变化。阻力增量可能受多种因素的影响，包括机翼形状的变化、襟翼的展开，甚至是外部挂载物（如导弹或油箱）的存在。每一种修改都可能引入额外的阻力，这最终会影响飞机的燃油效率和航程。例如，当襟翼在着陆时展开时，阻力增量增加，以便在较低速度下提供更大的升力。虽然这对安全着陆有利，但也意味着飞行员必须管理增加的阻力与降低速度之间的权衡。理解这种关系对于飞行安全和操作效率至关重要。此外，阻力增量不仅在飞行中是一个关注点，同时也是飞机设计阶段的重要问题。工程师利用计算流体动力学（CFD）模拟来预测设计变化将如何影响阻力增量。通过虚拟分析不同的配置，他们可以优化飞机的形状，以最小化阻力并提高性能，从而在制造任何物理原型之前节省时间和资源。这个方法确保最终产品能够满足严格的性能标准。除了对飞机设计的影响外，阻力增量在汽车工程和海洋设计等多个领域也有广泛的应用。在这些行业中，理解如何减少阻力可以导致更加节能的车辆和船只，从而为可持续发展和消费者节省成本。最终，阻力增量这一概念提醒我们在设计和操作流体环境中移动的交通工具时所涉及的复杂性。工程师必须平衡各种力量和设计考虑，以创造高效且安全的交通方式。通过掌握阻力增量的复杂性，这些领域的专业人士能够为推动航空及其他领域的进步做出贡献，造福行业和社会。总之，阻力增量是理解空气动力学性能的关键因素。它的影响跨越不同的行业，突显了最小化阻力以提高效率和安全性的重要性。随着技术的不断发展，阻力增量的研究将继续成为工程师和设计师关注的重点领域，旨在推动航空及其他领域的可能性极限。