propeller interference

简明释义

推进器干扰

英英释义

Propeller interference refers to the aerodynamic effects that occur when multiple propellers operate in close proximity to each other, leading to changes in performance and efficiency.

螺旋桨干扰是指当多个螺旋桨在相互靠近的情况下运行时所产生的空气动力学效应,这会导致性能和效率的变化。

例句

1.The research focused on reducing propeller interference in naval vessels to improve stealth capabilities.

该研究集中于减少海军舰艇中的螺旋桨干扰以提高隐身能力。

2.Pilots must be aware of propeller interference when flying in formation with other aircraft.

飞行员在与其他飞机编队飞行时必须注意螺旋桨干扰

3.Understanding propeller interference is crucial for optimizing multi-engine aircraft design.

理解螺旋桨干扰对于优化多发动机飞机设计至关重要。

4.The engineers conducted tests to measure the effects of propeller interference on the aircraft's performance.

工程师进行了测试,以测量螺旋桨干扰对飞机性能的影响。

5.During the simulation, we observed significant propeller interference that affected the flight stability.

在模拟过程中,我们观察到显著的螺旋桨干扰影响了飞行稳定性。

作文

In the field of aerodynamics, understanding various phenomena is crucial for the design and operation of aircraft. One such phenomenon that often comes into play is propeller interference, which refers to the complex interactions between the rotating blades of a propeller and the airflow they generate. This interaction can significantly affect the performance and efficiency of an aircraft, making it essential for engineers and pilots to grasp its implications. When a propeller spins, it creates a slipstream, or a column of accelerated air, that moves rearward. As another propeller or wing moves through this slipstream, it experiences changes in lift and drag due to the altered airflow. This interaction can lead to propeller interference effects, which may result in unexpected performance characteristics. For instance, if two propellers are closely spaced, as in a multi-engine aircraft, they can influence each other’s efficiency and thrust output. The effects of propeller interference are not limited to performance alone; they can also impact noise levels and vibration. When multiple propellers operate in proximity, their combined noise can be more pronounced than that of a single propeller, leading to increased discomfort for passengers and crew. Moreover, the vibrations caused by these interactions can affect the structural integrity of the aircraft over time. To mitigate the adverse effects of propeller interference, engineers employ various design strategies. These may include optimizing the spacing between propellers, adjusting blade pitch, and utilizing advanced materials to reduce vibration. Computational fluid dynamics (CFD) simulations are often used to predict how changes in design will affect airflow and performance, allowing engineers to make informed decisions before physical prototypes are built. Additionally, pilots must be aware of propeller interference when operating multi-engine aircraft. Understanding how the behavior of one engine can influence the others is vital for safe and efficient flying. For example, during takeoff or landing, the loss of one engine can have a cascading effect on the thrust produced by the remaining engines due to propeller interference. Pilots are trained to manage these situations effectively, ensuring that they can maintain control of the aircraft even under challenging circumstances. In conclusion, propeller interference is a significant factor in the design and operation of aircraft, influencing performance, noise, and safety. As aviation technology continues to advance, understanding and mitigating the effects of propeller interference will remain a priority for engineers and pilots alike. By leveraging modern tools and techniques, the aviation industry can continue to improve the efficiency and safety of flight, ultimately benefiting passengers and operators around the world.

在空气动力学领域,理解各种现象对于飞机的设计和操作至关重要。其中一个经常出现的现象是螺旋桨干扰,指的是螺旋桨旋转叶片与其产生的气流之间的复杂相互作用。这种相互作用可能会显著影响飞机的性能和效率,因此工程师和飞行员必须掌握其含义。当螺旋桨旋转时,会产生一个滑流,或加速的空气柱,向后移动。当另一个螺旋桨或机翼穿过这个滑流时,由于气流的改变,它会经历升力和阻力的变化。这种相互作用可能导致螺旋桨干扰效应,从而导致意想不到的性能特征。例如,如果两个螺旋桨紧密间隔,如在多发动机飞机中,它们可以相互影响效率和推力输出。螺旋桨干扰的影响不仅限于性能;它们还可能影响噪音水平和振动。当多个螺旋桨在接近的情况下运行时,其组合噪音可能比单个螺旋桨更为明显,从而增加乘客和机组人员的不适。此外,这些相互作用引起的振动可能会随着时间的推移影响飞机的结构完整性。为了减轻螺旋桨干扰的不利影响,工程师采用各种设计策略。这些策略可能包括优化螺旋桨之间的间距、调整叶片角度以及利用先进材料来减少振动。计算流体动力学(CFD)模拟通常用于预测设计变更将如何影响气流和性能,使工程师能够在构建物理原型之前做出明智的决策。此外,飞行员在操作多发动机飞机时必须意识到螺旋桨干扰。了解一个发动机的行为如何影响其他发动机对于安全和高效飞行至关重要。例如,在起飞或着陆过程中,一个发动机的失效可能由于螺旋桨干扰对剩余发动机的推力产生级联效应。飞行员接受培训,以有效管理这些情况,确保他们能够在挑战性情况下保持对飞机的控制。总之,螺旋桨干扰是飞机设计和操作中的一个重要因素,影响性能、噪音和安全。随着航空技术的不断进步,理解和减轻螺旋桨干扰的影响将继续成为工程师和飞行员的优先事项。通过利用现代工具和技术,航空业能够继续提高飞行的效率和安全性,最终使全球的乘客和运营商受益。

相关单词

propeller

propeller详解:怎么读、什么意思、用法