control-surface flutter

简明释义

操纵面颤振

英英释义

例句

1.Engineers are researching ways to mitigate control-surface flutter in high-speed aircraft.

工程师们正在研究减少高速飞机中控制面抖动的方法。

2.Pilots must be trained to recognize the signs of control-surface flutter to ensure safety.

飞行员必须接受培训，以识别控制面抖动的迹象，以确保安全。

3.The design of the wing was altered to prevent control-surface flutter at cruising speeds.

机翼的设计被改变，以防止在巡航速度下发生控制面抖动。

4.The aircraft experienced severe control-surface flutter during the test flight, leading to an emergency landing.

在测试飞行中，飞机经历了严重的控制面抖动，导致紧急降落。

5.During simulations, the software detected potential control-surface flutter scenarios.

在模拟过程中，软件检测到了潜在的控制面抖动场景。

作文

In the realm of aerodynamics, the term control-surface flutter refers to a phenomenon that can significantly impact the stability and safety of aircraft. This occurrence is characterized by oscillations in the control surfaces, such as ailerons, elevators, or rudders, which can lead to catastrophic failures if not properly managed. Understanding control-surface flutter is essential for engineers and pilots alike, as it plays a crucial role in the design and operation of modern aircraft.The mechanics behind control-surface flutter involve a complex interplay between aerodynamic forces, structural dynamics, and inertial effects. When an aircraft is in flight, the control surfaces are subjected to various aerodynamic loads. If these loads exceed a certain threshold, they can cause the control surfaces to oscillate at their natural frequency. This oscillation can become self-amplifying, leading to increasingly severe movements that may compromise the integrity of the aircraft.One of the primary factors contributing to control-surface flutter is the speed of the aircraft. As the speed increases, the aerodynamic forces acting on the control surfaces also increase, which can push them into a flutter condition. Additionally, the design and materials used in the construction of the control surfaces play a significant role in their susceptibility to flutter. Lightweight materials, while advantageous for overall aircraft performance, may also lead to lower stiffness and higher likelihood of flutter under certain conditions.To mitigate the risks associated with control-surface flutter, engineers conduct extensive testing during the design phase of an aircraft. This often involves wind tunnel testing and computational fluid dynamics simulations to predict how the aircraft will behave under various flight conditions. By identifying potential flutter conditions early in the design process, engineers can make necessary adjustments to the control surface design, such as increasing stiffness or altering the shape to delay the onset of flutter.Pilots must also be aware of control-surface flutter and its implications during flight operations. In certain situations, such as high-speed maneuvers or turbulence, pilots may inadvertently induce flutter by making abrupt control inputs. Training programs emphasize the importance of smooth and gradual control movements, particularly in critical phases of flight like takeoff and landing. Understanding the limits of the aircraft and recognizing the signs of potential flutter can help pilots avoid situations that could lead to loss of control.In conclusion, control-surface flutter is a critical concept in aviation that requires careful consideration from both engineers and pilots. Its potential to disrupt aircraft stability makes it a focal point in the design and operational phases of aviation. Through rigorous testing and education, the aviation industry continues to improve its understanding and management of this phenomenon, ensuring safer skies for all. By comprehensively addressing control-surface flutter, we can enhance the reliability of aircraft and protect the lives of those who fly in them.

在空气动力学领域，术语控制面颤振指的是一种现象，它会显著影响飞机的稳定性和安全性。这种情况的特点是控制面（如副翼、升降舵或方向舵）发生振荡，如果不加以控制，可能导致灾难性的故障。理解控制面颤振对工程师和飞行员来说至关重要，因为它在现代飞机的设计和操作中发挥着关键作用。控制面颤振背后的机制涉及气动力、结构动态和惯性效应之间的复杂相互作用。当飞机在飞行时，控制面会受到各种气动载荷的作用。如果这些载荷超过某个阈值，就会导致控制面以其固有频率振荡。这种振荡可能会自我放大，导致越来越严重的运动，从而危及飞机的完整性。导致控制面颤振的主要因素之一是飞机的速度。随着速度的增加，作用于控制面的气动力也会增加，这可能使它们进入颤振状态。此外，控制面的设计和所用材料在其易感性方面也起着重要作用。轻质材料虽然有利于整体飞机性能，但也可能导致刚度降低，从而在某些条件下更容易发生颤振。为了减轻与控制面颤振相关的风险，工程师在飞机设计阶段进行广泛测试。这通常涉及风洞测试和计算流体动力学模拟，以预测飞机在各种飞行条件下的表现。通过在设计过程中早期识别潜在的颤振条件，工程师可以对控制面设计进行必要的调整，例如增加刚度或改变形状，以延迟颤振的发生。飞行员也必须了解控制面颤振及其在飞行操作中的影响。在某些情况下，如高速机动或颠簸，飞行员可能通过突然的控制输入无意中引发颤振。培训项目强调平稳和渐进的控制动作的重要性，特别是在起飞和着陆等关键飞行阶段。理解飞机的极限并识别潜在颤振的迹象，可以帮助飞行员避免可能导致失控的情况。总之，控制面颤振是航空中的一个关键概念，需要工程师和飞行员的仔细考虑。它对飞机稳定性的潜在影响使其成为航空设计和操作阶段的重点。通过严格的测试和教育，航空行业继续改善对这一现象的理解和管理，确保所有人的安全飞行。通过全面解决控制面颤振问题，我们可以提高飞机的可靠性，保护所有乘坐飞机的人的生命。