contra-propeller fairing

简明释义

反应推进器整流

英英释义

例句

1.The aerodynamics of the aircraft were greatly enhanced by the addition of a contra-propeller fairing.

通过增加反向螺旋桨整流罩，飞机的气动特性得到了极大改善。

2.Engineers evaluated the performance improvements gained from the new contra-propeller fairing during testing.

工程师在测试期间评估了新型反向螺旋桨整流罩带来的性能提升。

3.The contra-propeller fairing reduces noise levels significantly in the cabin.

该反向螺旋桨整流罩显著降低了机舱内的噪音水平。

4.During maintenance, technicians inspected the contra-propeller fairing for any signs of wear.

在维护过程中，技术人员检查了反向螺旋桨整流罩是否有磨损迹象。

5.The design of the aircraft includes a specialized contra-propeller fairing to minimize drag.

这架飞机的设计包括一个专门的反向螺旋桨整流罩以最小化阻力。

作文

In the realm of aerodynamics and aviation engineering, the design and functionality of various components play a critical role in the efficiency and performance of aircraft. One such component that often garners attention is the contra-propeller fairing. This term refers to a streamlined covering designed to reduce drag and improve the aerodynamic properties of aircraft that utilize contra-rotating propellers. These propellers rotate in opposite directions, which helps in canceling out the torque effect and provides enhanced thrust. However, the presence of exposed components can lead to increased drag, which is where the contra-propeller fairing comes into play.The primary function of a contra-propeller fairing is to streamline the flow of air around the propellers. By enclosing the rotating blades, the fairing minimizes turbulence and allows for smoother airflow, thus reducing the overall drag on the aircraft. This is particularly important for high-speed aircraft where even minor reductions in drag can lead to significant improvements in fuel efficiency and performance.Moreover, the design of the contra-propeller fairing must take into account various aerodynamic principles. Engineers must consider factors such as the shape, size, and material of the fairing to ensure it achieves the desired aerodynamic performance without adding excessive weight. Advanced materials like composites are often used to strike a balance between strength and weight, making the fairing both effective and efficient.Another important aspect of the contra-propeller fairing is its impact on noise reduction. Aircraft noise is a significant concern for both environmental and regulatory reasons. The use of fairings can help in dampening the noise generated by the propellers, making the aircraft more acceptable for urban operations and in compliance with noise regulations. This is especially relevant in modern aviation, where there is an increasing push towards quieter and more environmentally friendly aircraft designs.Furthermore, the contra-propeller fairing also plays a role in protecting the propeller mechanism from environmental factors. By providing a shield against debris and moisture, the fairing can enhance the longevity and reliability of the propeller system. This protective feature is essential for maintaining the operational integrity of the aircraft, particularly in challenging flying conditions.In conclusion, the contra-propeller fairing is a vital component in modern aviation that enhances the aerodynamic efficiency, reduces noise, and protects the propeller system. As aircraft design continues to evolve, the importance of such innovations cannot be overstated. Understanding the function and significance of the contra-propeller fairing is crucial for anyone interested in the fields of aerospace engineering and aviation technology. As we move towards a future of more efficient and sustainable air travel, components like the contra-propeller fairing will undoubtedly play a pivotal role in shaping the aircraft of tomorrow.

在空气动力学和航空工程领域，各个部件的设计和功能在飞机的效率和性能中起着至关重要的作用。其中一个常常受到关注的部件是反向螺旋桨整流罩。这个术语指的是一种流线型覆盖物，旨在减少阻力并改善使用反向旋转螺旋桨的飞机的空气动力学特性。这些螺旋桨以相反的方向旋转，有助于抵消扭矩效应，并提供增强的推力。然而，暴露的部件可能导致增加的阻力，这就是反向螺旋桨整流罩发挥作用的地方。反向螺旋桨整流罩的主要功能是使空气在螺旋桨周围的流动更加流畅。通过封闭旋转刀片，整流罩最小化了湍流，使气流更加平稳，从而减少了飞机的整体阻力。这对于高速飞机尤其重要，因为即使是微小的阻力减少也可以显著改善燃油效率和性能。此外，反向螺旋桨整流罩的设计必须考虑各种空气动力学原理。工程师必须考虑整流罩的形状、大小和材料，以确保它在不增加过多重量的情况下实现所需的空气动力学性能。先进的复合材料通常被用来在强度和重量之间取得平衡，使整流罩既有效又高效。反向螺旋桨整流罩的另一个重要方面是它对噪音减少的影响。飞机噪音是环境和监管方面的重要问题。使用整流罩可以帮助减轻螺旋桨产生的噪音，使飞机在城市运营中更易接受，并符合噪音法规。这在现代航空中尤为相关，因为人们日益推动开发更安静、更环保的飞机设计。此外，反向螺旋桨整流罩还在保护螺旋桨机制免受环境因素影响方面发挥作用。通过为碎片和湿气提供保护，整流罩可以增强螺旋桨系统的耐用性和可靠性。这一保护特性对于维护飞机的操作完整性至关重要，特别是在挑战性的飞行条件下。总之，反向螺旋桨整流罩是现代航空中一个至关重要的组件，它提高了空气动力效率，减少了噪音，并保护了螺旋桨系统。随着飞机设计的不断演变，这种创新的重要性不可低估。理解反向螺旋桨整流罩的功能和意义对任何对航空航天工程和航空技术感兴趣的人来说都是至关重要的。随着我们迈向更加高效和可持续的空中旅行的未来，像反向螺旋桨整流罩这样的组件无疑将在塑造未来飞机方面发挥关键作用。