coaxial contra-rotating propellers

简明释义

同轴反转螺旋桨

英英释义

例句

1.Engineers are researching the efficiency of coaxial contra-rotating propellers for use in next-generation helicopters.

工程师们正在研究将同轴反向旋转螺旋桨用于下一代直升机的效率。

2.The new drone model features advanced coaxial contra-rotating propellers, which significantly improve its stability in windy conditions.

新款无人机采用了先进的同轴反向旋转螺旋桨，显著提高了其在风条件下的稳定性。

3.The design of coaxial contra-rotating propellers allows for a more compact rotor system, making it ideal for urban air mobility.

设计同轴反向旋转螺旋桨使得转子系统更加紧凑，非常适合城市空中出行。

4.By utilizing coaxial contra-rotating propellers, the aircraft can achieve better lift-to-drag ratios.

通过利用同轴反向旋转螺旋桨，飞机可以获得更好的升阻比。

5.The military is interested in coaxial contra-rotating propellers for their potential to reduce noise during covert operations.

军方对同轴反向旋转螺旋桨感兴趣，因为它们在隐秘行动中有降低噪音的潜力。

作文

In the realm of aerospace engineering, the design and functionality of propellers play a crucial role in enhancing the performance of aircraft. One innovative concept that has gained attention in recent years is the use of coaxial contra-rotating propellers (同轴反向旋转螺旋桨). This technology involves two propellers mounted on the same axis, with one rotating in the opposite direction to the other. The primary advantage of this configuration lies in its ability to significantly increase thrust while reducing torque and drag, leading to improved efficiency and stability during flight.The principle behind coaxial contra-rotating propellers (同轴反向旋转螺旋桨) is rooted in the physics of fluid dynamics. When a single propeller rotates, it generates a vortex that can create turbulence and drag. However, by employing two propellers that rotate in opposite directions, the vortices produced by each propeller can effectively cancel each other out. This cancellation leads to a smoother airflow around the propellers, minimizing drag and allowing for greater thrust generation.Furthermore, coaxial contra-rotating propellers (同轴反向旋转螺旋桨) enhance maneuverability and control. In traditional single-rotor designs, the torque generated by the rotating propeller can cause the aircraft to yaw, requiring additional control surfaces to counteract this effect. With the coaxial design, the opposing rotations inherently balance out the torque, resulting in more stable flight characteristics and reduced reliance on auxiliary systems.The application of coaxial contra-rotating propellers (同轴反向旋转螺旋桨) is not limited to conventional fixed-wing aircraft. They have also been explored in the development of advanced rotorcraft and drones. For instance, some modern helicopters utilize this technology to achieve higher lift and improved performance in challenging flight conditions. Additionally, unmanned aerial vehicles (UAVs) are increasingly incorporating these propellers to enhance their operational capabilities, particularly in terms of speed and agility.Despite the clear advantages, the implementation of coaxial contra-rotating propellers (同轴反向旋转螺旋桨) does come with its own set of challenges. The complexity of the mechanical systems required to support dual propeller configurations can lead to increased weight and maintenance demands. Engineers must carefully consider these factors when designing aircraft that utilize this technology. Moreover, the integration of such systems into existing aircraft designs may require significant modifications, which could pose logistical and financial hurdles.In conclusion, coaxial contra-rotating propellers (同轴反向旋转螺旋桨) represent a promising advancement in propeller technology, offering numerous benefits in terms of efficiency, stability, and control. As research and development continue in this area, we can expect to see more aircraft adopting this innovative design. The future of aviation may very well be shaped by the adoption of coaxial contra-rotating propellers (同轴反向旋转螺旋桨), paving the way for new possibilities in flight performance and safety.

在航空工程领域，螺旋桨的设计和功能在提升飞机性能方面发挥着关键作用。近年来，同轴反向旋转螺旋桨这一创新概念引起了越来越多的关注。这项技术涉及到两个安装在同一轴上的螺旋桨，其中一个朝一个方向旋转，而另一个则朝相反方向旋转。这种配置的主要优势在于能够显著增加推力，同时减少扭矩和阻力，从而提高飞行的效率和稳定性。同轴反向旋转螺旋桨的原理源于流体动力学的物理学。当单个螺旋桨旋转时，它会产生一个涡流，这可能导致湍流和阻力。然而，通过采用两个相反方向旋转的螺旋桨，每个螺旋桨产生的涡流可以有效地相互抵消。这种抵消导致螺旋桨周围的气流更加平稳，最小化了阻力，并允许产生更大的推力。此外，同轴反向旋转螺旋桨增强了机动性和控制性。在传统的单旋翼设计中，旋转螺旋桨产生的扭矩会导致飞机偏航，需要额外的控制面来抵消这种效应。采用同轴设计后，相对旋转的力量自然平衡了扭矩，从而导致更稳定的飞行特性，减少了对辅助系统的依赖。同轴反向旋转螺旋桨的应用并不限于传统的固定翼飞机。它们还被探索用于先进的旋翼机和无人机的开发。例如，一些现代直升机利用这项技术在挑战性的飞行条件下实现更高的升力和更好的性能。此外，无人驾驶飞行器（UAV）也越来越多地采用这些螺旋桨，以增强其操作能力，特别是在速度和灵活性方面。尽管明显具有优势，实施同轴反向旋转螺旋桨确实存在一系列挑战。支撑双螺旋桨配置所需的机械系统的复杂性可能导致重量增加和维护需求加大。工程师在设计使用此技术的飞机时必须仔细考虑这些因素。此外，将此类系统集成到现有飞机设计中可能需要重大修改，这可能带来后勤和财务上的障碍。总之，同轴反向旋转螺旋桨代表了螺旋桨技术的一个有前途的进展，在效率、稳定性和控制方面提供了众多好处。随着这方面的研究和开发的持续进行，我们可以期待看到更多的飞机采用这种创新设计。航空的未来可能会受到同轴反向旋转螺旋桨的影响，为飞行性能和安全性开辟新的可能性。