torsional vibration

简明释义

扭转振动

英英释义

例句

1.Excessive torsional vibration can lead to premature failure of engine components.

过度的扭转振动可能导致发动机部件的提前故障。

2.The research focused on the effects of torsional vibration on structural integrity.

研究集中在扭转振动对结构完整性的影响上。

3.To minimize torsional vibration, a damper was installed in the drive shaft.

为了最小化扭转振动，在传动轴中安装了减震器。

4.Monitoring torsional vibration is critical for ensuring the reliability of wind turbines.

监测扭转振动对于确保风力涡轮机的可靠性至关重要。

5.The engineer conducted tests to measure the level of torsional vibration in the rotating machinery.

工程师进行测试以测量旋转机械中的扭转振动水平。

作文

Torsional vibrations are a critical aspect of mechanical engineering that can significantly impact the performance and longevity of machinery. When structures or components rotate, they can experience twisting motions that lead to these vibrations. Understanding torsional vibration (扭转振动) is essential for engineers to design reliable systems that minimize wear and tear. In many applications, such as automotive engines, turbines, and rotating shafts, torsional vibration (扭转振动) can cause severe issues if not properly managed.The phenomenon occurs when there is an imbalance in the forces acting on a rotating object. For instance, in an engine, the crankshaft experiences forces from the pistons, which can create a twisting effect. If these forces are not balanced, it can lead to torsional vibration (扭转振动), resulting in increased stress on components and potential failure. Engineers must calculate the natural frequencies of the system to predict and mitigate these vibrations effectively.One common method to address torsional vibration (扭转振动) is through the use of dampers. These devices absorb the energy generated by the vibrations, thereby reducing their amplitude and preventing damage. For example, in automotive applications, harmonic balancers are employed to counteract the effects of torsional vibration (扭转振动) in the crankshaft. By adding weight and strategically placing it, these balancers help to stabilize the system and ensure smoother operation.Another approach to managing torsional vibration (扭转振动) involves tuning the system's stiffness and mass properties. Engineers can modify the design of the components to shift their natural frequencies away from the excitation frequencies caused by the operational loads. This practice, known as frequency tuning, is vital in preventing resonance, which can amplify the torsional vibration (扭转振动) and lead to catastrophic failures.The importance of understanding torsional vibration (扭转振动) extends beyond just mechanical systems; it also plays a crucial role in civil engineering. For instance, tall buildings and bridges can experience twisting motions due to wind or seismic activity. Engineers must account for these forces during the design phase to ensure structural integrity. Failure to consider torsional vibration (扭转振动) can result in significant safety hazards and costly repairs.In conclusion, torsional vibration (扭转振动) is a fundamental concept that engineers must grasp to design effective and durable mechanical systems. By employing techniques such as dampers and frequency tuning, they can mitigate the adverse effects of these vibrations and enhance the reliability of their designs. As technology continues to evolve, the study of torsional vibration (扭转振动) will remain a vital area of research and application in engineering disciplines.

扭转振动是机械工程中的一个关键方面，可能会显著影响机器的性能和寿命。当结构或组件旋转时，它们可能会经历导致这些振动的扭转运动。理解扭转振动对于工程师设计可靠系统以最小化磨损至关重要。在许多应用中，如汽车发动机、涡轮机和旋转轴，扭转振动如果不妥善管理，可能会导致严重问题。这一现象发生在作用于旋转物体的力不平衡时。例如，在发动机中，曲轴受到来自活塞的力，这可能会产生扭转效应。如果这些力不平衡，就会导致扭转振动，从而增加组件的应力并可能导致故障。工程师必须计算系统的固有频率，以有效预测和减轻这些振动。解决扭转振动的一种常见方法是使用阻尼器。这些装置吸收振动产生的能量，从而减少其幅度并防止损坏。例如，在汽车应用中，谐波平衡器用于抵消曲轴中扭转振动的影响。通过添加重量并进行战略性放置，这些平衡器有助于稳定系统并确保更平稳的运行。管理扭转振动的另一种方法涉及调整系统的刚度和质量属性。工程师可以修改组件的设计，使其固有频率远离由操作负载引起的激励频率。这种被称为频率调谐的做法在防止共振中至关重要，共振可能会放大扭转振动并导致灾难性故障。理解扭转振动的重要性不仅限于机械系统；它在土木工程中也起着至关重要的作用。例如，高层建筑和桥梁可能由于风或地震活动而经历扭转运动。工程师必须在设计阶段考虑这些力，以确保结构的完整性。如果不考虑扭转振动，可能会导致重大安全隐患和昂贵的维修费用。总之，扭转振动是工程师必须掌握的基本概念，以设计有效且耐用的机械系统。通过采用诸如阻尼器和频率调谐等技术，他们可以减轻这些振动的不利影响，提高设计的可靠性。随着技术的不断发展，扭转振动的研究将继续在工程学科中保持重要的研究和应用领域。