torsional resonance

简明释义

扭振共振

英英释义

例句

1.To mitigate torsional resonance 扭转共振, engineers added dampers to the system.

为了减轻torsional resonance 扭转共振，工程师在系统中添加了阻尼器。

2.Engineers must consider torsional resonance 扭转共振 when designing rotating machinery to avoid catastrophic failures.

工程师在设计旋转机械时必须考虑torsional resonance 扭转共振以避免灾难性故障。

3.During the test, the team observed unexpected torsional resonance 扭转共振 in the shaft, indicating a design flaw.

在测试中，团队观察到轴上出现意外的torsional resonance 扭转共振，这表明存在设计缺陷。

4.The torsional resonance 扭转共振 frequency was found to be critical for the performance of the motor.

发现torsional resonance 扭转共振频率对电机的性能至关重要。

5.The torsional resonance 扭转共振 of the bridge was analyzed to ensure its stability under various load conditions.

对桥梁的torsional resonance 扭转共振进行了分析，以确保其在各种负载条件下的稳定性。

作文

Torsional resonance is a phenomenon that occurs in mechanical systems when the natural frequency of torsional vibration coincides with the frequency of an external force. This can lead to excessive vibrations and, in some cases, catastrophic failure of structures or machinery. Understanding torsional resonance (扭转共振) is crucial for engineers and designers to ensure the integrity and safety of their designs.In many engineering applications, rotating machinery such as shafts, gears, and turbines are susceptible to torsional resonance (扭转共振). When these components rotate, they can experience twisting motions that may not be immediately apparent. If the frequency of these twisting motions matches the natural frequency of the system, it can lead to amplified vibrations. This amplification can cause significant wear and tear on the components, leading to premature failure.One classic example of torsional resonance (扭转共振) can be found in automotive engines. The crankshaft, which converts the linear motion of the pistons into rotational motion, is particularly vulnerable to this phenomenon. If the engine operates at a speed where the frequency of the crankshaft's torsional vibrations matches its natural frequency, it can result in severe vibrations. These vibrations can lead to damage in the engine mounts, bearings, and even the crankshaft itself.To mitigate the effects of torsional resonance (扭转共振), engineers often employ various design strategies. One common approach is to use dampers that absorb energy from the vibrations, thereby reducing their amplitude. Another strategy is to alter the design of the component to change its natural frequency, ensuring that it does not coincide with the operating frequency. This might involve changing the material properties, dimensions, or geometry of the component.In addition to mechanical systems, torsional resonance (扭转共振) can also be observed in civil engineering structures. For instance, tall buildings and bridges can experience torsional vibrations due to wind loads or seismic activity. If the frequency of these external forces matches the natural frequency of the structure, it can lead to dangerous oscillations. Engineers must consider these factors during the design phase to prevent potential disasters.The study of torsional resonance (扭转共振) is also important in the field of aerospace engineering. Aircraft wings and fuselages are subjected to various aerodynamic forces that can induce torsional vibrations. Understanding how to predict and control these vibrations is essential for ensuring the safety and performance of aircraft.In conclusion, torsional resonance (扭转共振) is a critical concept in engineering that involves the interaction between external forces and the natural frequencies of mechanical systems. By understanding this phenomenon, engineers can design safer and more reliable structures and machinery. Whether in automotive, civil, or aerospace engineering, the implications of torsional resonance (扭转共振) are far-reaching, highlighting the importance of thorough analysis and innovative design solutions.