flutter characteristic

简明释义

颤振特性

英英释义

例句

1.The flutter characteristic of the fabric made it perfect for creating lightweight garments.

这种面料的颤动特性使其非常适合制作轻便服装。

2.The flutter characteristic of the bird's wings allows it to hover in place.

这只鸟的颤动特性使它能够在空中悬停。

3.Engineers study the flutter characteristic of aircraft to ensure safety during flight.

工程师研究飞机的颤动特性以确保飞行安全。

4.Understanding the flutter characteristic of a bridge can help prevent structural failures.

了解桥梁的颤动特性可以帮助防止结构故障。

5.The dancer's movements exhibited a beautiful flutter characteristic that captivated the audience.

舞者的动作展现出一种美丽的颤动特性，吸引了观众。

作文

In the realm of engineering and aerodynamics, the term flutter characteristic refers to a specific behavior exhibited by structures, particularly in aviation. Flutter is a dynamic instability that occurs when aerodynamic forces interact with the natural frequencies of an object, such as an aircraft wing or a bridge. Understanding the flutter characteristic of a structure is crucial for ensuring its safety and performance. When an object experiences flutter, it can lead to catastrophic failure if not properly addressed. Engineers must analyze the flutter characteristic during the design phase to prevent such occurrences.The flutter characteristic is influenced by various factors, including the shape of the structure, its material properties, and the flow conditions of the surrounding air. For example, a flexible wing may exhibit different flutter characteristics compared to a rigid one. This is because the flexibility can change the way the wing interacts with airflow, potentially leading to resonance at certain speeds. Engineers often use computational simulations and wind tunnel testing to study these characteristics in depth.One of the key aspects of understanding flutter characteristic is identifying the critical flutter speed. This is the speed at which the aerodynamic forces become strong enough to induce flutter. If an aircraft operates below this speed, it is generally safe; however, exceeding this speed can result in dangerous oscillations that compromise structural integrity. Therefore, manufacturers incorporate stringent testing procedures to determine the flutter characteristic of their designs before they enter the market.Moreover, the flutter characteristic is not limited to aviation; it also plays a significant role in other fields such as civil engineering and automotive design. For instance, tall buildings must be designed to withstand wind forces that could cause them to sway or flutter. Similarly, race cars are engineered to maintain stability at high speeds, taking into account the flutter characteristic of their aerodynamic components.In conclusion, the flutter characteristic is a vital concept in the fields of engineering and aerodynamics. It encompasses the dynamic interactions between structures and airflow that can lead to instability. By thoroughly understanding and analyzing these characteristics, engineers can design safer and more efficient structures. Whether in the context of an aircraft, a building, or a vehicle, recognizing the importance of flutter characteristic ensures that we can push the boundaries of design while maintaining safety and performance standards.

在工程和空气动力学领域，术语flutter characteristic指的是结构（特别是在航空领域）所表现出的特定行为。颤振是一种动态不稳定性，当空气动力学力与物体的自然频率相互作用时，会发生这种现象，例如飞机机翼或桥梁。理解结构的flutter characteristic对于确保其安全性和性能至关重要。当物体经历颤振时，如果没有适当处理，可能会导致灾难性故障。工程师必须在设计阶段分析flutter characteristic以防止此类事件的发生。flutter characteristic受多种因素的影响，包括结构的形状、材料特性以及周围空气的流动条件。例如，一个柔性机翼可能表现出与一个刚性机翼不同的flutter characteristic。这是因为柔性可能改变机翼与气流的相互作用，可能导致在某些速度下产生共振。工程师通常使用计算机模拟和风洞测试来深入研究这些特性。理解flutter characteristic的一个关键方面是识别临界颤振速度。这是空气动力学力变得足够强大以引发颤振的速度。如果飞机在此速度以下运行，通常是安全的；然而，超过此速度可能导致危险的振荡，从而危及结构完整性。因此，制造商在其设计进入市场之前，进行严格的测试程序，以确定flutter characteristic。此外，flutter characteristic不仅限于航空领域；它在其他领域如土木工程和汽车设计中也发挥着重要作用。例如，高楼大厦必须设计成能够抵御可能导致其摇摆或颤振的风力。同样，赛车在高速行驶时也经过工程设计，以保持稳定，同时考虑到其空气动力学组件的flutter characteristic。总之，flutter characteristic是工程和空气动力学领域的重要概念。它涵盖了结构与气流之间的动态相互作用，这可能导致不稳定性。通过彻底理解和分析这些特性，工程师可以设计出更安全、更高效的结构。无论是在飞机、建筑物还是车辆的背景下，认识到flutter characteristic的重要性，确保我们能够突破设计的界限，同时保持安全和性能标准。