controllable reversible pitch

简明释义

可调可逆转螺距

英英释义

例句

1.The controllable reversible pitch feature in wind turbines helps optimize energy output based on wind conditions.

风力涡轮机中的可控可逆桨距功能有助于根据风况优化能量输出。

2.In racing drones, controllable reversible pitch allows for rapid changes in direction and altitude.

在竞速无人机中，可控可逆桨距允许快速改变方向和高度。

3.With the controllable reversible pitch propellers, the boat can easily switch from forward to reverse without losing speed.

使用可控可逆桨距螺旋桨，船只可以轻松地从前进切换到倒退，而不会失去速度。

4.The new aircraft design features a controllable reversible pitch system, allowing for improved maneuverability during flight.

新型飞机设计采用了可控可逆桨距系统，从而提高了飞行中的机动性。

5.The marine engineer explained how controllable reversible pitch systems can enhance the performance of ships.

海洋工程师解释了可控可逆桨距系统如何提高船舶性能。

作文

In the world of aviation and aerodynamics, the concept of controllable reversible pitch is crucial for enhancing the performance and efficiency of aircraft. To understand this term, we must break it down into its components. Firstly, 'controllable' indicates that the pitch can be adjusted or manipulated by the pilot or an automated system. This adjustability allows for better handling and responsiveness during flight operations. Secondly, 'reversible' implies that the changes made to the pitch can be reverted back to their original state. This feature is particularly important in scenarios where quick adjustments are necessary to maintain stability and control. Finally, 'pitch' refers to the angle of the propeller blades or the orientation of the aircraft’s wings relative to the oncoming airflow.The integration of controllable reversible pitch systems into aircraft design has revolutionized the way pilots interact with their machines. For instance, in modern turboprop and jet engines, the ability to change the pitch of the propeller blades allows for optimized thrust and fuel efficiency. When an aircraft takes off, a higher pitch angle can be set to generate more lift. As the aircraft ascends and reaches cruising altitude, the pitch can be adjusted to a lower angle, reducing drag and conserving fuel. This dynamic adaptability is essential for long-haul flights, where fuel efficiency directly impacts operational costs.Moreover, controllable reversible pitch is not limited to propellers; it also applies to rotorcraft, such as helicopters. In these aircraft, the ability to change the pitch of the rotor blades enables precise control over lift and descent rates. Pilots can increase the pitch during ascent to gain altitude quickly, or decrease it to descend smoothly. This capability enhances safety and maneuverability, allowing helicopters to operate effectively in various environments, including urban areas and mountainous terrains.The benefits of controllable reversible pitch extend beyond operational efficiency; they also contribute to overall flight safety. By allowing pilots to make rapid adjustments to the pitch, this technology helps prevent stalling and loss of control. In emergency situations, the ability to revert to a neutral pitch can provide pilots with the necessary margins to recover from potentially dangerous scenarios. Thus, the implementation of such systems is a vital aspect of modern aviation safety protocols.As technology continues to advance, the future of controllable reversible pitch systems looks promising. Innovations in materials and engineering are leading to lighter, more responsive mechanisms that can further enhance performance. Additionally, the integration of artificial intelligence in flight systems may allow for even more sophisticated pitch control, adapting in real-time to changing flight conditions and pilot inputs.In conclusion, controllable reversible pitch is a fundamental concept that plays a significant role in the design and operation of modern aircraft. Its ability to provide adjustable and reversible pitch settings enhances flight performance, improves fuel efficiency, and increases safety. As the aviation industry continues to evolve, the importance of mastering this concept will remain paramount for engineers, pilots, and aerospace enthusiasts alike. Understanding and utilizing controllable reversible pitch will undoubtedly shape the future of flight and aviation technology.

在航空和空气动力学的世界中，可控可逆桨距的概念对于提高飞机的性能和效率至关重要。要理解这个术语，我们必须将其分解为几个组成部分。首先，“可控”表示桨距可以由飞行员或自动系统进行调整或操控。这种可调性使得在飞行操作中能够更好地处理和响应。其次，“可逆”意味着对桨距所做的变化可以恢复到原始状态。在需要快速调整以保持稳定性和控制的情况下，这一特性尤为重要。最后，“桨距”指的是螺旋桨叶片的角度或飞机机翼相对于迎面气流的方向。将可控可逆桨距系统集成到飞机设计中，彻底改变了飞行员与飞机之间的互动。例如，在现代涡轮螺旋桨和喷气发动机中，调整螺旋桨叶片的桨距的能力可以优化推力和燃油效率。当飞机起飞时，可以设置较高的桨距角以产生更多的升力。随着飞机升空并达到巡航高度，桨距可以调整为较低的角度，从而减少阻力并节省燃料。这种动态适应能力对于长途飞行至关重要，因为燃油效率直接影响运营成本。此外，可控可逆桨距不仅限于螺旋桨；它还适用于旋翼机，如直升机。在这些飞机中，改变旋翼叶片的桨距能够精确控制升力和下降速率。飞行员可以在上升时增加桨距以快速增高，或降低桨距以平稳下降。这种能力增强了安全性和机动性，使直升机能够有效地在各种环境中运行，包括城市地区和山区。可控可逆桨距的好处不仅体现在操作效率上；它们还提升了整体飞行安全性。通过允许飞行员快速调整桨距，这项技术有助于防止失速和失去控制。在紧急情况下，恢复到中性桨距的能力可以为飞行员提供必要的余量，以从潜在危险场景中恢复过来。因此，实施这类系统是现代航空安全协议的重要方面。随着技术的不断进步，可控可逆桨距系统的未来看起来非常光明。材料和工程领域的创新正在导致更轻、更灵敏的机制，进一步提升性能。此外，人工智能在飞行系统中的整合可能会使桨距控制更加复杂，实时适应变化的飞行条件和飞行员输入。总之，可控可逆桨距是一个基本概念，在现代飞机的设计和操作中发挥着重要作用。其提供的可调和可逆的桨距设置增强了飞行性能，提高了燃油效率，并增加了安全性。随着航空工业的不断发展，掌握这一概念的重要性将持续存在，对于工程师、飞行员和航空爱好者来说尤其如此。理解和利用可控可逆桨距无疑将塑造飞行和航空技术的未来。