torsional moment

简明释义

回转力矩

英英释义

例句

1.Excessive torsional moment 扭矩 can lead to mechanical failure in rotating machinery.

过大的扭矩可能导致旋转机械的故障。

2.The engineer calculated the torsional moment 扭矩 acting on the shaft during operation.

工程师计算了在操作过程中作用于轴上的扭矩。

3.The torsional moment 扭矩 was measured using a specialized torque sensor.

使用专业的扭矩传感器测量了扭矩。

4.During testing, we observed a significant torsional moment 扭矩 when the motor started.

在测试过程中，我们观察到电机启动时出现了显著的扭矩。

5.To ensure safety, the design must account for the maximum torsional moment 扭矩 that can occur.

为了确保安全，设计必须考虑可能发生的最大扭矩。

作文

In the field of engineering, particularly in mechanical and structural disciplines, understanding the concept of torsional moment is crucial. A torsional moment refers to the twisting force that causes an object to rotate around its longitudinal axis. This phenomenon is commonly encountered in various applications, from rotating shafts in machinery to beams subjected to twisting loads in construction. The significance of the torsional moment lies in its ability to influence the performance and safety of structures and mechanical systems.To illustrate the importance of torsional moment, consider the example of a car's driveshaft. The driveshaft transmits power from the engine to the wheels, and as it does so, it experiences torsional moments due to the engine's rotational forces. If the torsional moment exceeds the material's capacity to withstand such twisting forces, it can lead to failure, resulting in costly repairs and potential safety hazards for the vehicle's occupants.In civil engineering, the analysis of torsional moments becomes essential when designing structures like bridges or buildings that may be subjected to lateral forces, such as wind or seismic activity. Engineers must calculate the torsional moment that these forces will induce on various components of the structure. By understanding how to manage these moments, engineers can ensure that the structures remain stable and safe under dynamic conditions.The calculation of torsional moment involves several factors, including the geometry of the object, the material properties, and the nature of the applied loads. The formula for calculating the torsional moment (T) is often expressed as T = J * τ, where J is the polar moment of inertia and τ is the shear stress. This relationship highlights the interplay between the object's shape and the material's response to twisting forces.Moreover, the effects of torsional moments are not limited to static structures; they also play a significant role in dynamic systems. For instance, in the design of rotating machinery, engineers must account for the torsional moment to prevent excessive vibrations that could lead to mechanical failure. Understanding the dynamics of torsional moments allows engineers to optimize designs for better performance and longevity.In summary, the concept of torsional moment is integral to many fields of engineering. Its implications affect the design, analysis, and safety of both static and dynamic systems. As technology continues to advance, the need for precise calculations and a thorough understanding of torsional moments will only grow. Future engineers must be equipped with the knowledge and tools to analyze these forces effectively, ensuring that the structures and machines they create are both efficient and safe for public use.In conclusion, the torsional moment is a fundamental concept that engineers must grasp to ensure the integrity and functionality of their designs. Whether in the context of automotive engineering, civil engineering, or mechanical systems, the ability to analyze and manage torsional moments is vital for success in the field. By recognizing the significance of this concept, engineers can contribute to safer and more reliable technological advancements.

在工程领域，尤其是机械和结构学科中，理解扭矩的概念至关重要。扭矩指的是导致物体绕其纵轴旋转的扭转力。这种现象在各种应用中都很常见，从机器中的旋转轴到建筑中受到扭转载荷的梁。扭矩的重要性在于它能够影响结构和机械系统的性能和安全性。为了说明扭矩的重要性，可以考虑汽车传动轴的例子。传动轴将动力从发动机传递到车轮，在此过程中，由于发动机的旋转力，它会经历扭矩。如果扭矩超过材料承受这种扭转力的能力，就可能导致故障，导致昂贵的维修费用和潜在的安全隐患。在土木工程中，当设计桥梁或建筑物时，分析扭矩变得至关重要，因为这些结构可能会受到侧向力的作用，例如风或地震活动。工程师必须计算这些力量对结构各个组件所施加的扭矩。通过了解如何管理这些力矩，工程师可以确保结构在动态条件下保持稳定和安全。计算扭矩涉及多个因素，包括物体的几何形状、材料特性和施加载荷的性质。计算扭矩（T）的公式通常表示为T = J * τ，其中J是极惯性矩，τ是剪切应力。这个关系突显了物体形状与材料对扭转力反应之间的相互作用。此外，扭矩的影响不仅限于静态结构；它们在动态系统中也发挥着重要作用。例如，在旋转机械的设计中，工程师必须考虑扭矩以防止过度振动导致机械故障。理解扭矩的动态特性使工程师能够优化设计，以获得更好的性能和耐久性。总之，扭矩的概念在许多工程领域中都是不可或缺的。它的影响关系到静态和动态系统的设计、分析和安全性。随着技术的不断进步，对精确计算和深入理解扭矩的需求只会增加。未来的工程师必须具备有效分析这些力的知识和工具，以确保他们创造的结构和机器在公共使用中既高效又安全。最后，扭矩是工程师必须掌握的基本概念，以确保他们设计的完整性和功能性。无论是在汽车工程、土木工程还是机械系统的背景下，分析和管理扭矩的能力对于在该领域取得成功至关重要。通过认识到这一概念的重要性，工程师可以为更安全、更可靠的技术进步做出贡献。