feathering angle
简明释义
1. 羽角; 2. 水平旋转角;
英英释义
The angle at which a propeller blade or rotor blade is positioned relative to the plane of rotation, allowing for adjustments in thrust and efficiency. | 螺旋桨叶片或转子叶片相对于旋转平面的角度,允许对推力和效率进行调整。 |
例句
1.The engineer explained how the feathering angle affects the thrust produced by the propeller.
工程师解释了羽毛角度如何影响螺旋桨产生的推力。
2.Adjusting the feathering angle can significantly reduce drag on an aircraft.
调整羽毛角度可以显著减少飞机的阻力。
3.The pilot adjusted the feathering angle to optimize fuel efficiency during the flight.
飞行员调整了羽毛角度以优化飞行中的燃油效率。
4.During the test flight, the team monitored the feathering angle for any anomalies.
在测试飞行期间,团队监控了羽毛角度是否有任何异常。
5.In a wind turbine, the feathering angle helps to control the rotor speed in high winds.
在风力涡轮机中,羽毛角度有助于在强风中控制转子速度。
作文
In the world of aviation, understanding the mechanics behind flight is crucial for both pilots and engineers. One important concept that plays a significant role in aircraft performance is the feathering angle. This term refers to the angle at which a propeller blade is adjusted to reduce drag when the engine is not producing power. When an aircraft experiences engine failure, the ability to adjust the propeller to the correct feathering angle can mean the difference between a safe landing and a catastrophic accident. The feathering angle is typically set at a position where the blades align with the airflow, minimizing resistance. In a scenario where an engine fails, pilots can use this technique to ensure that the propeller does not act as a brake, which could lead to a steep descent or loss of control. By feathering the propeller, the aircraft can maintain a more stable glide path, allowing the pilot to navigate towards a safe landing site.Moreover, the feathering angle is not just limited to emergency situations. It is also utilized during routine operations to optimize fuel efficiency. For example, during cruise flight, pilots may adjust the propeller to a feathering angle that allows the aircraft to fly more efficiently, reducing fuel consumption and extending the range of the aircraft. This adjustment is particularly important for long-haul flights where every drop of fuel counts.In addition to its practical applications, the feathering angle also has implications for aircraft design. Engineers must consider the mechanics of feathering when designing propeller systems. The ability to quickly adjust the angle of the blades requires sophisticated mechanisms and controls, which must be reliable under various conditions. This complexity adds to the overall weight and cost of the aircraft but is essential for safety and performance.Understanding the feathering angle is also vital for training pilots. Flight schools emphasize the importance of mastering this technique, as it is a critical skill that can save lives. In simulator training, pilots practice scenarios where they must quickly feather the propeller in response to an engine failure, ensuring they are prepared for real-life emergencies.In conclusion, the feathering angle is a fundamental concept in aviation that enhances safety, efficiency, and aircraft design. Whether in emergencies or during regular operations, the ability to adjust the propeller's angle is a key aspect of flying. As technology advances, understanding and optimizing the feathering angle will continue to be a focus for both pilots and engineers alike, ensuring that the skies remain safe for all travelers.
在航空领域,理解飞行背后的机械原理对飞行员和工程师至关重要。一个在飞机性能中发挥重要作用的概念是羽毛角。这个术语指的是当发动机不产生动力时,调整螺旋桨叶片的角度以减少阻力。当一架飞机发生发动机故障时,能够将螺旋桨调整到正确的羽毛角可能意味着安全着陆和灾难性事故之间的区别。 羽毛角通常设置在与气流对齐的位置,从而最小化阻力。在发动机失效的情况下,飞行员可以使用这一技术来确保螺旋桨不会像刹车一样起作用,这可能导致急剧下降或失去控制。通过调整螺旋桨,飞机可以保持更稳定的滑行路径,使飞行员能够导航到安全着陆地点。此外,羽毛角不仅限于紧急情况。在日常操作中,它也被用来优化燃油效率。例如,在巡航飞行中,飞行员可能会将螺旋桨调整到羽毛角,使飞机更高效地飞行,减少燃油消耗并延长飞机的航程。这一调整在长途飞行中尤其重要,因为每一滴燃油都至关重要。除了实际应用外,羽毛角对飞机设计也有影响。工程师在设计螺旋桨系统时必须考虑羽毛的机制。快速调整叶片的角度的能力需要复杂的机制和控制,这些机制和控制在各种条件下都必须可靠。这种复杂性增加了飞机的整体重量和成本,但对于安全和性能至关重要。理解羽毛角对培训飞行员也至关重要。飞行学校强调掌握这一技术的重要性,因为它是一项关键技能,可以拯救生命。在模拟器培训中,飞行员练习在发动机故障的情况下迅速调整螺旋桨的场景,确保他们为现实生活中的紧急情况做好准备。总之,羽毛角是航空中的一个基本概念,增强了安全性、效率和飞机设计。无论是在紧急情况下还是在正常操作中,调整螺旋桨的角度都是飞行的关键方面。随着技术的进步,理解和优化羽毛角将继续成为飞行员和工程师共同关注的焦点,确保天空对所有旅行者的安全。
相关单词