allowable torsional vibration stress

简明释义

许用扭振应力

英英释义

例句

1.The design of the shaft must ensure that the allowable torsional vibration stress 允许的扭转振动应力 is not exceeded during operation.

轴的设计必须确保在运行过程中不超过允许的扭转振动应力.

2.The allowable torsional vibration stress 允许的扭转振动应力 values were derived from extensive simulations.

经过广泛的模拟，得出了允许的扭转振动应力值.

3.Engineers calculated the allowable torsional vibration stress 允许的扭转振动应力 to prevent failure in the gearbox.

工程师计算了允许的扭转振动应力以防止齿轮箱中的故障.

4.The testing phase revealed that the actual torsional stress was close to the allowable torsional vibration stress 允许的扭转振动应力 limit.

测试阶段显示，实际的扭转应力接近允许的扭转振动应力极限.

5.To ensure safety, the machine's components were designed with a margin above the allowable torsional vibration stress 允许的扭转振动应力.

为了确保安全，机器的部件设计时留出了高于允许的扭转振动应力的余量.

作文

In the field of mechanical engineering, understanding the concept of allowable torsional vibration stress is crucial for the design and analysis of various components. Torsional vibration refers to the oscillations that occur in a material when it is subjected to twisting forces. These vibrations can lead to fatigue and eventual failure if not properly managed. Therefore, engineers must determine the allowable torsional vibration stress, which is the maximum stress that a material can endure without experiencing detrimental effects due to these vibrations.To grasp the significance of allowable torsional vibration stress, one must first understand the factors that contribute to torsional vibrations. These include the geometry of the component, the material properties, and the external loads applied to the system. For instance, a shaft subjected to a torque will experience torsional stress, and if this stress exceeds the material's yield strength, it may deform or fail. Thus, calculating the allowable torsional vibration stress is essential to ensure reliability and safety in mechanical systems.The determination of allowable torsional vibration stress typically involves complex calculations and considerations of various safety factors. Engineers often refer to established standards and guidelines that specify the permissible limits of stress for different materials and applications. For example, the American Society of Mechanical Engineers (ASME) provides codes that help engineers determine the appropriate stress limits for different types of machinery and structures.Moreover, the allowable torsional vibration stress is not a static value; it can vary depending on the operational conditions and the environment in which the component operates. Factors such as temperature, frequency of operation, and the presence of dynamic loads can all influence the allowable limits. Therefore, engineers must continuously assess these factors throughout the lifecycle of the component to ensure it remains within safe operating limits.In practical applications, the implications of neglecting allowable torsional vibration stress can be severe. For example, in automotive engineering, excessive torsional vibrations can lead to the failure of drivetrains, resulting in costly repairs and potential safety hazards. Similarly, in aerospace applications, components subjected to high torsional stresses must be meticulously designed to prevent catastrophic failures during flight.In conclusion, the concept of allowable torsional vibration stress is a fundamental aspect of mechanical design and analysis. It encompasses the maximum stress that materials can withstand under torsional vibrations without incurring damage. Understanding this concept allows engineers to create safer, more reliable systems while minimizing the risk of failure. As technology advances and materials evolve, the methods for calculating and applying allowable torsional vibration stress will continue to develop, ensuring that engineers are equipped to meet the challenges of modern engineering demands.

在机械工程领域，理解允许的扭转振动应力的概念对于各种组件的设计和分析至关重要。扭转振动是指当材料受到扭转力时发生的振荡。这些振动如果没有得到妥善管理，可能导致疲劳和最终的失效。因此，工程师必须确定允许的扭转振动应力，即材料在不遭受这些振动造成的不良影响的情况下能够承受的最大应力。要理解允许的扭转振动应力的重要性，首先必须了解导致扭转振动的因素。这些因素包括组件的几何形状、材料特性以及施加于系统的外部载荷。例如，施加扭矩的轴将经历扭转应力，如果这种应力超过材料的屈服强度，它可能会变形或失效。因此，计算允许的扭转振动应力对于确保机械系统的可靠性和安全性至关重要。允许的扭转振动应力的确定通常涉及复杂的计算和对各种安全因素的考虑。工程师通常参考已建立的标准和指南，以确定不同材料和应用的允许应力极限。例如，美国机械工程师协会（ASME）提供的规范帮助工程师确定不同类型的机械和结构的适当应力限制。此外，允许的扭转振动应力并不是一个静态值；它可能会根据组件操作的条件和环境而变化。温度、操作频率以及动态载荷的存在等因素都可能影响允许的极限。因此，工程师必须在组件的整个生命周期内持续评估这些因素，以确保其保持在安全操作范围内。在实际应用中，忽视允许的扭转振动应力的后果可能是严重的。例如，在汽车工程中，过度的扭转振动可能导致传动系统的失效，从而导致昂贵的维修费用和潜在的安全隐患。同样，在航空航天应用中，承受高扭转应力的组件必须经过精心设计，以防止在飞行过程中发生灾难性故障。总之，允许的扭转振动应力的概念是机械设计和分析的基本方面。它涵盖了材料在扭转振动下能够承受的最大应力而不受损害的情况。理解这一概念使工程师能够创造更安全、更可靠的系统，同时最小化故障风险。随着技术的进步和材料的发展，计算和应用允许的扭转振动应力的方法将继续发展，以确保工程师能够应对现代工程需求的挑战。