critical flutter speed

简明释义

惯性颤振临界转速

英英释义

例句

1.Engineers conducted simulations to determine the critical flutter speed 临界颤振速度 of the new drone model.

工程师们进行了模拟，以确定新无人机模型的critical flutter speed 临界颤振速度。

2.During the test flight, the engineers monitored the critical flutter speed 临界颤振速度 closely to gather data.

在测试飞行期间，工程师们密切监测critical flutter speed 临界颤振速度以收集数据。

3.The aircraft's design must ensure that the wings do not exceed the critical flutter speed 临界颤振速度 during flight.

飞机的设计必须确保机翼在飞行中不超过critical flutter speed 临界颤振速度。

4.Understanding the critical flutter speed 临界颤振速度 is essential for ensuring the stability of high-speed trains.

了解critical flutter speed 临界颤振速度对于确保高速列车的稳定性至关重要。

5.The pilot was trained to recognize signs of approaching critical flutter speed 临界颤振速度 in order to maintain safety.

飞行员接受了培训，以识别接近critical flutter speed 临界颤振速度的迹象，以保持安全。

作文

In the field of aerodynamics, understanding the concept of critical flutter speed is essential for ensuring the safety and performance of aircraft. Flutter is a dynamic instability that can occur in structures subjected to aerodynamic forces. It typically manifests when the natural frequencies of an aircraft's components interact with the aerodynamic forces acting on them. The critical flutter speed refers to the specific velocity at which this instability begins to occur, leading to potentially catastrophic consequences if not properly managed.Aircraft are designed with various structural elements, such as wings, fuselage, and control surfaces, each possessing its own natural frequency of vibration. When the aircraft reaches a certain speed, the aerodynamic forces can excite these frequencies, causing the structure to oscillate. If the oscillations grow in amplitude, the aircraft may experience uncontrollable vibrations, which can lead to structural failure or loss of control.The determination of critical flutter speed involves complex calculations and simulations. Engineers utilize wind tunnel testing and computational fluid dynamics (CFD) to analyze how different designs will behave at various speeds. By identifying the critical flutter speed, engineers can ensure that the aircraft operates well below this threshold during normal flight conditions, thereby enhancing safety.For example, during the design phase of a new aircraft model, engineers will conduct extensive testing to establish the critical flutter speed. This information is crucial not only for the structural integrity of the aircraft but also for its overall performance. If an aircraft exceeds its critical flutter speed, it could face severe consequences, including loss of control or even disintegration in mid-flight.Moreover, the critical flutter speed can be influenced by several factors, including the aircraft's weight, shape, and the materials used in construction. As technology advances, new materials and design techniques may alter the critical flutter speed, necessitating updated testing and validation processes. This ongoing research is vital as it contributes to the development of safer and more efficient aircraft.In conclusion, the concept of critical flutter speed is a fundamental aspect of aerospace engineering. It serves as a critical parameter in the design and operation of aircraft, ensuring they remain stable and controllable at all speeds. Understanding this phenomenon not only protects the integrity of the aircraft but also safeguards the lives of those aboard. As the aviation industry continues to evolve, the importance of accurately determining and adhering to the critical flutter speed cannot be overstated, as it plays a pivotal role in advancing flight safety and efficiency.

在空气动力学领域，理解临界颤振速度的概念对于确保飞机的安全性和性能至关重要。颤振是一种动态不稳定性，可能发生在受到气动力作用的结构中。当飞机的组件的固有频率与作用于它们的气动力相互作用时，通常会表现出这种现象。临界颤振速度指的是这种不稳定性开始发生的特定速度，如果不加以妥善管理，可能导致灾难性的后果。飞机的设计包含多个结构元素，如机翼、机身和控制面，这些元素各自具有自己的振动固有频率。当飞机达到某一速度时，气动力可以激发这些频率，导致结构发生振动。如果振动幅度增大，飞机可能会经历无法控制的振动，这可能导致结构失效或失去控制。确定临界颤振速度涉及复杂的计算和模拟。工程师利用风洞测试和计算流体力学（CFD）分析不同设计在各种速度下的表现。通过识别临界颤振速度，工程师可以确保飞机在正常飞行条件下的操作速度远低于这一阈值，从而增强安全性。例如，在新型飞机模型的设计阶段，工程师将进行广泛的测试，以确定临界颤振速度。这些信息对于飞机的结构完整性以及整体性能至关重要。如果飞机超过其临界颤振速度，可能会面临严重后果，包括失去控制或甚至在飞行中解体。此外，临界颤振速度还会受到多个因素的影响，包括飞机的重量、形状和所用材料。随着技术的进步，新材料和设计技术可能会改变临界颤振速度，因此需要更新的测试和验证过程。这项持续的研究至关重要，因为它有助于开发更安全、更高效的飞机。总之，临界颤振速度的概念是航空航天工程的一个基本方面。它作为飞机设计和操作中的一个关键参数，确保飞机在所有速度下保持稳定和可控。理解这一现象不仅保护了飞机的完整性，还保障了机上人员的生命安全。随着航空工业的不断发展，准确确定和遵守临界颤振速度的重要性不可低估，因为它在提高飞行安全性和效率方面发挥着重要作用。