feathering blade

简明释义

顺流桨叶

英英释义

A feathering blade is a type of blade used in certain types of propellers or rotors that can change its angle of attack, allowing for adjustments in lift and thrust.

羽毛刀片是一种用于某些类型螺旋桨或转子的刀片,可以改变其攻角,从而允许在升力和推力方面进行调整。

例句

1.In the event of an engine failure, the feathering blade can help maintain control of the aircraft.

在发动机故障的情况下,羽状叶片可以帮助保持飞机的控制。

2.The pilot adjusted the pitch of the propeller by using the feathering blade to reduce drag during descent.

飞行员通过使用羽状叶片调整螺旋桨的俯仰角,以减少下降时的阻力。

3.The feathering blade is crucial for reducing wind resistance when the aircraft is gliding.

当飞机滑翔时,羽状叶片对于减少风阻至关重要。

4.By engaging the feathering blade, the crew was able to minimize fuel consumption during flight.

通过启用羽状叶片,机组人员能够在飞行过程中最小化燃油消耗。

5.The engineer explained how the feathering blade mechanism works in turboprop engines.

工程师解释了涡轮螺旋桨发动机中羽状叶片机制的工作原理。

作文

In the world of aviation and aerodynamics, the term feathering blade refers to a specific feature found in variable-pitch propellers. This mechanism allows the blades of the propeller to be adjusted to an optimal angle during flight, which significantly enhances the performance and efficiency of the aircraft. The concept of feathering blade is crucial for pilots and engineers alike, as it plays a vital role in both the safety and operational capabilities of an aircraft.When an aircraft experiences an engine failure, the ability to feather the blades can mean the difference between a controlled descent and a catastrophic situation. By adjusting the pitch of the feathering blade, the pilot can minimize drag and maintain better control over the aircraft. This adjustment allows the propeller to align with the airflow, effectively reducing resistance and enabling the aircraft to glide more smoothly to a safe landing.The mechanism behind the feathering blade is quite fascinating. Typically, the blades are designed to rotate around their longitudinal axis, which allows them to change their angle relative to the oncoming air. In a feathered position, the blades are turned almost parallel to the airflow, drastically reducing the aerodynamic drag that would otherwise hinder the aircraft's performance. This feature is particularly beneficial in multi-engine aircraft, where one engine may fail while the others remain operational.Additionally, the feathering blade system is not only about enhancing performance; it also contributes to fuel efficiency. By allowing the aircraft to glide rather than descend rapidly, pilots can conserve fuel and extend their range. This is especially important during long flights or when operating in remote areas where refueling options may be limited.The importance of understanding the feathering blade extends beyond just technical specifications. For aspiring pilots, learning how to effectively use this feature is a critical part of their training. Flight simulators often incorporate scenarios that require students to practice feathering the blades in response to engine failures. This hands-on experience is invaluable, as it prepares them for real-world situations where quick thinking and proper technique are essential for ensuring passenger safety.Moreover, the evolution of the feathering blade technology reflects broader advancements in aviation. As materials and engineering techniques have improved, so too has the sophistication of propeller systems. Modern aircraft can now utilize advanced computer systems to automatically adjust the pitch of the blades, making the process even more efficient and reliable.In conclusion, the feathering blade is a vital component of modern aviation that enhances performance, safety, and efficiency. Its role in managing engine failures and optimizing flight characteristics cannot be overstated. For both pilots and engineers, a thorough understanding of this mechanism is essential, as it directly impacts the overall operation and safety of an aircraft. As technology continues to advance, the significance of the feathering blade will undoubtedly grow, further solidifying its place as a cornerstone of aeronautical engineering.

在航空和空气动力学的世界中,术语feathering blade指的是可变螺距螺旋桨中的一个特定特征。该机制允许螺旋桨的叶片在飞行过程中调整到最佳角度,这显著提高了飞机的性能和效率。feathering blade的概念对飞行员和工程师都至关重要,因为它在飞机的安全性和操作能力中发挥着重要作用。当飞机遇到发动机故障时,羽化叶片的能力可能意味着控制下降与灾难性情况之间的区别。通过调整feathering blade的螺距,飞行员可以最小化阻力,并保持对飞机的更好控制。这种调整使螺旋桨与气流对齐,有效减少了阻力,使飞机能够更平稳地滑行至安全着陆。feathering blade背后的机制相当迷人。通常,叶片设计为围绕其纵向轴旋转,这使得它们能够相对于迎面而来的空气改变角度。在羽化位置,叶片几乎与气流平行,大幅减少了否则会妨碍飞机性能的空气动力阻力。这个特性在多发动机飞机中尤其有利,其中一台发动机可能失效,而其他发动机仍然正常工作。此外,feathering blade系统不仅仅是为了提高性能;它还促进了燃油效率。通过允许飞机滑行而不是快速下降,飞行员可以节省燃料并延长航程。这在长途飞行或在加油选项有限的偏远地区操作时尤其重要。理解feathering blade的重要性超出了技术规格。对于有志成为飞行员的人来说,学习如何有效使用这一特性是其培训的关键部分。飞行模拟器通常会包含需要学生在发动机故障情况下练习羽化叶片的场景。这种实践经验是无价的,因为它为他们准备了真实世界中需要快速反应和正确技术以确保乘客安全的情况。此外,feathering blade技术的演变反映了航空领域更广泛的进步。随着材料和工程技术的提高,螺旋桨系统的复杂性也在不断提升。现代飞机现在可以利用先进的计算机系统自动调整叶片的螺距,使这一过程更加高效和可靠。总之,feathering blade是现代航空的重要组成部分,增强了性能、安全性和效率。它在管理发动机故障和优化飞行特性方面的作用不容小觑。对于飞行员和工程师来说,充分理解这一机制至关重要,因为它直接影响着飞机的整体操作和安全性。随着技术的不断进步,feathering blade的重要性无疑将进一步增长,进一步巩固其作为航空工程基石的地位。

相关单词

feathering

feathering详解:怎么读、什么意思、用法

blade

blade详解:怎么读、什么意思、用法