full-feathering propeller

简明释义

全活叶螺旋桨

英英释义

A full-feathering propeller is a type of aircraft propeller that can be rotated to a position where the blades are aligned with the airflow, minimizing drag and allowing the engine to operate more efficiently when not producing thrust.

全羽化螺旋桨是一种飞机螺旋桨,可以旋转到与气流对齐的位置,从而最小化阻力,并允许发动机在不产生推力时更高效地运作。

例句

1.When the engine fails, the full-feathering propeller can be adjusted to reduce drag and maintain control.

当发动机故障时,全羽毛化螺旋桨可以调整以减少阻力并保持控制。

2.The design of the full-feathering propeller helps improve climb rates by optimizing blade angles.

设计的全羽毛化螺旋桨通过优化叶片角度来帮助提高爬升率。

3.The aircraft is equipped with a full-feathering propeller, which allows for better fuel efficiency during cruise flight.

这架飞机配备了全羽毛化螺旋桨,在巡航飞行中可以更好地提高燃油效率。

4.During descent, the full-feathering propeller can be feathered to minimize drag and enhance glide performance.

在下降过程中,可以将全羽毛化螺旋桨羽化,以最小化阻力并增强滑翔性能。

5.Pilots must understand how to operate the full-feathering propeller to maximize performance in different flight conditions.

飞行员必须了解如何操作全羽毛化螺旋桨,以在不同飞行条件下最大化性能。

作文

In the world of aviation, efficiency and performance are paramount. One of the key components that contribute to these factors is the propeller system of an aircraft. Among various types of propellers, the full-feathering propeller stands out due to its unique design and operational advantages. Understanding how a full-feathering propeller works can provide valuable insights into its significance in modern aviation. A full-feathering propeller is designed to allow the blades to rotate to a position that minimizes drag when the engine is not producing power. This feature is particularly beneficial during emergency situations or engine failures. When an aircraft experiences engine failure, the pilot can feather the propeller, aligning the blades with the airflow. This action reduces drag significantly, allowing the aircraft to maintain a better glide ratio and extend its flight range, which can be crucial for safe landing. The mechanics behind a full-feathering propeller involve a complex system of controls and mechanisms. Typically, the propeller is connected to the engine via a reduction gearbox and features a hub that allows the blades to pivot. When the pilot decides to feather the propeller, hydraulic pressure is used to rotate the blades to the feathered position. This process is not only quick but also essential for maintaining control over the aircraft during critical phases of flight. One of the primary advantages of using a full-feathering propeller is the increased safety it provides. In multi-engine aircraft, if one engine fails, the remaining engines can continue to operate efficiently while the feathered propeller minimizes drag. This capability allows pilots to execute controlled descents and land safely even when faced with mechanical failures. Moreover, full-feathering propellers enhance the overall fuel efficiency of an aircraft. By reducing drag during cruising and descent phases, less power is required from the operating engines. This reduction in power demand translates to lower fuel consumption, making flights more economical. Airlines and operators are increasingly focused on fuel efficiency, and the implementation of full-feathering propellers is one way to achieve this goal. In addition to safety and efficiency, full-feathering propellers also contribute to improved performance characteristics. The ability to adjust the blade angle allows pilots to optimize the propeller's thrust according to the flight phase. For instance, during takeoff, the blades can be positioned for maximum thrust, while during cruise, they can be adjusted to minimize drag. This versatility makes full-feathering propellers a preferred choice for many aircraft designs. In conclusion, the full-feathering propeller plays a vital role in modern aviation by enhancing safety, fuel efficiency, and overall aircraft performance. Its ability to minimize drag during engine failures and optimize thrust during various flight phases makes it an indispensable component in many aircraft. As technology continues to advance, the importance of full-feathering propellers will likely grow, further solidifying their place in the future of aviation. Understanding this technology is essential for anyone interested in aviation, whether as a pilot, engineer, or enthusiast, as it represents a significant leap forward in propeller design and functionality.

在航空领域,效率和性能至关重要。推动这些因素的关键组件之一是飞机的螺旋桨系统。在各种类型的螺旋桨中,全羽化螺旋桨因其独特的设计和操作优势而脱颖而出。了解全羽化螺旋桨的工作原理可以为我们提供有关其在现代航空中重要性的宝贵见解。 全羽化螺旋桨的设计允许螺旋桨叶片在发动机不产生动力时旋转到最小化阻力的位置。这一特性在紧急情况下或发动机故障时尤其有益。当飞机发生发动机故障时,飞行员可以将螺旋桨羽化,使叶片与气流对齐。这一动作显著减少了阻力,使飞机能够保持更好的滑行比并延长飞行距离,这对于安全着陆至关重要。 全羽化螺旋桨的机械原理涉及复杂的控制和机制。通常,螺旋桨通过减速齿轮箱与发动机连接,并具有一个允许叶片 pivot 的中心。当飞行员决定羽化螺旋桨时,会使用液压压力将叶片旋转到羽化位置。这个过程不仅快速,而且在飞行的关键阶段保持飞机的控制至关重要。 使用全羽化螺旋桨的主要优势之一是它提供的安全性增加。在多发动力飞机中,如果一台发动机失效,剩余的发动机可以继续高效运行,同时羽化的螺旋桨最小化阻力。这种能力使飞行员能够执行受控下降,即使面临机械故障也能安全着陆。 此外,全羽化螺旋桨还提高了飞机的整体燃油效率。通过在巡航和下降阶段减少阻力,操作发动机所需的动力就会减少。这种对动力需求的降低转化为较低的燃油消耗,使航班更加经济。航空公司和运营商越来越关注燃油效率,而实施全羽化螺旋桨是实现这一目标的一种方式。 除了安全性和效率,全羽化螺旋桨还改善了性能特征。调整叶片角度的能力使飞行员能够根据飞行阶段优化螺旋桨的推力。例如,在起飞期间,叶片可以定位为最大推力,而在巡航期间,它们可以调整以最小化阻力。这种多功能性使得全羽化螺旋桨成为许多飞机设计的首选。 总之,全羽化螺旋桨通过增强安全性、燃油效率和整体飞机性能,在现代航空中发挥着至关重要的作用。它在发动机故障期间最小化阻力的能力以及在不同飞行阶段优化推力的能力,使其成为许多飞机中不可或缺的组成部分。随着技术的不断进步,全羽化螺旋桨的重要性可能会进一步增长,从而巩固它们在航空未来中的地位。了解这项技术对于任何对航空感兴趣的人来说都是必不可少的,无论是作为飞行员、工程师还是爱好者,因为它代表了螺旋桨设计和功能的重大飞跃。

相关单词

propeller

propeller详解:怎么读、什么意思、用法