tip of propeller blade

简明释义

推进器叶端

英英释义

例句

1.The vibrations in the boat increased due to damage at the tip of propeller blade.

由于螺旋桨叶片尖端的损坏，船只的震动增加了。

2.The engineer measured the angle at the tip of propeller blade to ensure optimal performance.

工程师测量了螺旋桨叶片尖端的角度，以确保最佳性能。

3.During the inspection, we found some wear at the tip of propeller blade that needed immediate attention.

在检查过程中，我们发现螺旋桨叶片尖端有一些磨损，需要立即处理。

4.The tip of propeller blade is critical for maintaining thrust in marine vessels.

螺旋桨叶片尖端对维持海洋船舶的推力至关重要。

5.We adjusted the pitch at the tip of propeller blade to improve fuel efficiency.

我们调整了螺旋桨叶片尖端的俯仰角，以提高燃油效率。

作文

The design and functionality of aircraft propellers are critical to understanding how airplanes achieve flight. At the heart of this discussion lies the importance of the tip of propeller blade, which plays a significant role in the overall efficiency and performance of the propeller. The tip of propeller blade refers to the outermost edge of the blade that extends from the hub to the tip. This area is where the aerodynamics of the propeller are most pronounced, and it is crucial for generating lift and thrust.When an aircraft is in motion, the tip of propeller blade moves through the air at high speeds, creating a pressure difference that contributes to the forward motion of the aircraft. The shape and angle of the tip of propeller blade can greatly influence how efficiently the propeller converts rotational energy into thrust. Engineers spend considerable time optimizing these designs to ensure maximum performance.One of the challenges faced by engineers is the phenomenon known as 'tip vortex.' As the tip of propeller blade spins, it creates a swirling mass of air at the tips, which can lead to a loss of efficiency. This is because the vortices disrupt the smooth airflow over the blades, resulting in increased drag and reduced lift. To combat this, many modern propellers are designed with specific shapes or features, such as winglets, that help mitigate the effects of the tip vortex.In addition to performance issues, the tip of propeller blade is also a focal point for noise generation. When the tips of the blades break the sound barrier, they produce a distinct noise that can be disruptive both in the air and on the ground. Engineers are therefore tasked with designing quieter propellers while still maintaining their effectiveness. This involves studying the aerodynamics of the tip of propeller blade and implementing changes that can reduce noise levels without compromising performance.The materials used in the construction of the tip of propeller blade also play a vital role in its performance. Traditional materials like wood and metal have been largely replaced by advanced composites that offer superior strength-to-weight ratios. These materials allow for more complex shapes and designs that can enhance the aerodynamic properties of the tip of propeller blade. Consequently, the use of modern materials has revolutionized the aviation industry, allowing for more efficient and powerful aircraft.In conclusion, the tip of propeller blade is a critical component of aircraft design that affects performance, efficiency, and noise levels. Understanding the dynamics of the tip of propeller blade is essential for engineers and designers as they strive to create better and more efficient aircraft. As technology continues to advance, we can expect further innovations in propeller design that will continue to improve the capabilities of aviation. The study of the tip of propeller blade exemplifies the intersection of art and science in engineering, showcasing how intricate designs can lead to remarkable advancements in flight technology.

飞机螺旋桨的设计和功能对于理解飞机如何实现飞行至关重要。在这个讨论的核心是螺旋桨叶片的尖端的重要性，它在螺旋桨的整体效率和性能中发挥着重要作用。螺旋桨叶片的尖端指的是从中心到尖端延伸的叶片的最外缘。这一区域是螺旋桨空气动力学最明显的地方，对于产生升力和推力至关重要。当飞机运动时，螺旋桨叶片的尖端以高速穿过空气，创造出压力差，从而促进飞机的前进。螺旋桨叶片的尖端的形状和角度可以极大影响螺旋桨将旋转能量转化为推力的效率。工程师们花费大量时间优化这些设计，以确保最佳性能。工程师面临的挑战之一是“尖端涡流”现象。当螺旋桨叶片的尖端旋转时，它在尖端处产生一股旋转的空气，这可能导致效率损失。这是因为涡流会干扰叶片上的平稳气流，导致阻力增加和升力减少。为了应对这一问题，许多现代螺旋桨设计了特定的形状或特征，例如翼尖小翼，以帮助减轻尖端涡流的影响。除了性能问题，螺旋桨叶片的尖端也是噪音产生的焦点。当叶片的尖端突破音障时，会产生一种独特的噪音，这在空中和地面上都可能造成干扰。因此，工程师的任务是设计更安静的螺旋桨，同时仍保持其有效性。这涉及研究螺旋桨叶片的尖端的空气动力学，并实施可以降低噪音水平而不妨碍性能的变化。构成螺旋桨叶片的尖端的材料也在其性能中发挥着至关重要的作用。传统的木材和金属材料已被先进的复合材料所取代，这些材料具有优越的强度重量比。这些材料允许更复杂的形状和设计，从而增强螺旋桨叶片的尖端的空气动力学特性。因此，现代材料的使用彻底改变了航空工业，使得飞机更加高效和强大。总之，螺旋桨叶片的尖端是飞机设计中的关键组成部分，影响着性能、效率和噪音水平。理解螺旋桨叶片的尖端的动态对于工程师和设计师来说至关重要，因为他们努力创造更好、更高效的飞机。随着技术的不断进步，我们可以期待螺旋桨设计的进一步创新，这将继续提高航空能力。对螺旋桨叶片的尖端的研究展示了工程中艺术与科学的交汇，展示了复杂设计如何带来飞行技术的显著进步。