contra turning propeller

简明释义

同心套轴的两上对转螺旋桨

英英释义

例句

1.The aircraft was equipped with a contra turning propeller, which improved its overall efficiency.

这架飞机配备了反向旋转螺旋桨，提高了其整体效率。

2.Pilots prefer aircraft with a contra turning propeller for their enhanced maneuverability.

飞行员更喜欢配备反向旋转螺旋桨的飞机，因为它们的机动性更强。

3.Using a contra turning propeller allows for better stability in turbulent conditions.

使用反向旋转螺旋桨可以在动荡的条件下提供更好的稳定性。

4.Engineers designed the contra turning propeller to reduce torque effects during flight.

工程师们设计了反向旋转螺旋桨以减少飞行中的扭矩效应。

5.The boat's speed increased significantly after installing the contra turning propeller.

安装反向旋转螺旋桨后，船的速度显著提高。

作文

The evolution of aviation technology has brought about numerous innovations, one of which is the contra turning propeller. This type of propeller is designed to rotate in opposite directions, and it plays a crucial role in enhancing the efficiency and stability of aircraft. In traditional aircraft, single-direction propellers can create torque that affects the aircraft's handling. However, with the introduction of the contra turning propeller (反向旋转螺旋桨), this issue is significantly mitigated. The primary advantage of the contra turning propeller system lies in its ability to counteract the rotational forces produced by the engine. When a conventional propeller spins, it generates a torque that causes the aircraft to roll in the opposite direction. This necessitates constant adjustments by the pilot to maintain level flight. In contrast, the contra turning propeller system allows for a more balanced distribution of forces, leading to improved control and reduced pilot workload.Moreover, the contra turning propeller design can enhance overall thrust efficiency. By having two propellers rotating in opposite directions, the airflow around the wings is better managed, resulting in increased lift and reduced drag. This aerodynamic advantage can lead to improved fuel efficiency, which is a critical consideration in modern aviation. Airlines are always on the lookout for ways to reduce operational costs, and the implementation of contra turning propeller systems can contribute to that goal.In terms of applications, the contra turning propeller technology is often found in military aircraft and some commercial airliners. For instance, the Lockheed P-38 Lightning, a World War II fighter plane, utilized this innovative propeller system. The design allowed it to achieve remarkable speed and agility in combat situations. Similarly, modern turboprop aircraft, such as the Bombardier Q400, employ contra turning propeller technology to optimize performance.However, the adoption of contra turning propeller systems is not without challenges. The complexity of the mechanism requires careful engineering and maintenance. Additionally, there may be increased costs associated with the manufacturing of such advanced propellers. Despite these challenges, the benefits often outweigh the drawbacks, making it a worthwhile investment for many aircraft manufacturers.In conclusion, the contra turning propeller represents a significant advancement in propeller technology, offering enhanced efficiency, stability, and control for aircraft. As the aviation industry continues to evolve, innovations like the contra turning propeller will play an essential role in shaping the future of flight. Understanding how these systems work and their advantages can help both aviation enthusiasts and professionals appreciate the complexities of modern aircraft design.

航空技术的发展带来了许多创新，其中之一就是反向旋转螺旋桨。这种类型的螺旋桨设计为相反方向旋转，它在提高飞机的效率和稳定性方面发挥着至关重要的作用。在传统飞机中，单向螺旋桨可能会产生影响飞机操控的扭矩。然而，随着反向旋转螺旋桨（contra turning propeller）的引入，这个问题得到了显著缓解。反向旋转螺旋桨系统的主要优点在于其能够抵消发动机产生的旋转力。当传统螺旋桨旋转时，会产生一个扭矩，使飞机向相反方向滚动。这需要飞行员不断进行调整以保持水平飞行。相比之下，反向旋转螺旋桨系统允许力量更平衡地分布，从而提高了控制能力并减少了飞行员的工作负担。此外，反向旋转螺旋桨设计可以提高整体推力效率。通过两个螺旋桨朝相反方向旋转，机翼周围的气流得到更好的管理，从而增加升力并减少阻力。这种空气动力学优势可以提高燃油效率，这是现代航空中的关键考虑因素。航空公司总是在寻找降低运营成本的方法，而实施反向旋转螺旋桨系统可以为实现这一目标做出贡献。在应用方面，反向旋转螺旋桨技术通常出现在军用飞机和一些商用客机中。例如，洛克希德P-38闪电战斗机，这是一种二战时期的战斗机，采用了这一创新的螺旋桨系统。该设计使其在战斗情况下能够实现卓越的速度和敏捷性。同样，现代涡轮螺旋桨飞机，如庞巴迪Q400，也采用了反向旋转螺旋桨技术来优化性能。然而，采用反向旋转螺旋桨系统并非没有挑战。该机制的复杂性需要仔细的工程设计和维护。此外，制造这种先进螺旋桨可能会增加成本。尽管存在这些挑战，但其好处往往超过缺点，使其成为许多飞机制造商值得投资的选择。总之，反向旋转螺旋桨代表了螺旋桨技术的重要进步，为飞机提供了更高的效率、稳定性和控制力。随着航空工业的不断发展，像反向旋转螺旋桨这样的创新将在塑造未来飞行方面发挥重要作用。了解这些系统的工作原理及其优势，可以帮助航空爱好者和专业人士欣赏现代飞机设计的复杂性。