torsional moment

简明释义

扭矩

英英释义

例句

1.The engineer calculated the torsional moment 扭矩 acting on the shaft to ensure it could withstand the applied loads.

工程师计算了作用在轴上的torsional moment 扭矩，以确保它能够承受施加的载荷。

2.In bridge design, understanding the torsional moment 扭矩 is crucial for stability during high winds.

在桥梁设计中，理解torsional moment 扭矩对于在强风中的稳定性至关重要。

3.A high torsional moment 扭矩 can lead to material failure if not properly managed.

如果管理不当，高torsional moment 扭矩可能导致材料失效。

4.The torsional moment 扭矩 generated by the engine was measured to optimize performance.

为了优化性能，测量了发动机产生的torsional moment 扭矩。

5.The design team had to account for the torsional moment 扭矩 when selecting materials for the new product.

设计团队在为新产品选择材料时必须考虑torsional moment 扭矩。

作文

In the field of engineering, particularly in mechanical and civil engineering, understanding the concept of a 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 often encountered in various structures and mechanical components, such as beams, shafts, and even in the design of vehicles. The significance of a torsional moment cannot be understated, as it plays a vital role in ensuring the stability and integrity of structures under load.When a force is applied to an object that is not aligned with its center of mass, it creates a torsional moment. For instance, consider a long cylindrical shaft that is subjected to a force at one end. As this force is applied, it generates a twisting effect along the length of the shaft. The magnitude of the torsional moment can be calculated using the formula: T = F * d, where T is the torsional moment, F is the applied force, and d is the distance from the point of application to the axis of rotation. This relationship highlights the importance of both the magnitude of the force and the distance at which it is applied.In practical applications, engineers must account for the torsional moment when designing components that will experience rotational forces. For example, in automotive engineering, drive shafts must be designed to withstand significant torsional moments generated by the engine's power output. If the torsional moment exceeds the material's strength, it can lead to catastrophic failure, resulting in dangerous situations.Furthermore, the behavior of materials under torsional moments is a critical aspect of material science. Different materials have different responses to twisting forces, which is characterized by their shear modulus. Engineers must choose appropriate materials that can endure the expected torsional moments without deforming or failing. For instance, metals like steel and aluminum are commonly used in applications requiring high strength and resistance to torsional moments.In addition to mechanical applications, the concept of torsional moments also extends to civil engineering. Structures such as bridges and buildings must be designed to resist twisting forces caused by wind loads or seismic activity. Engineers use advanced modeling techniques to predict how torsional moments will affect the overall stability of a structure. By ensuring that structures can withstand these forces, engineers help prevent structural failures that could endanger lives.In conclusion, the torsional moment is a fundamental concept in engineering that describes the twisting forces acting on objects. Its implications are far-reaching, impacting the design and safety of various mechanical and structural systems. Understanding how to calculate and mitigate torsional moments is essential for engineers to create safe and reliable designs. As technology advances, the methods for analyzing and managing torsional moments will continue to evolve, further enhancing our ability to build resilient structures and machinery.

在工程领域，特别是机械和土木工程中，理解扭矩的概念至关重要。扭矩指的是使物体围绕其纵轴旋转的扭转力。这种现象通常出现在各种结构和机械组件中，例如梁、轴，甚至在车辆设计中。扭矩的重要性不容低估，因为它在确保结构在负载下的稳定性和完整性方面发挥着至关重要的作用。当施加的力不与物体的质心对齐时，就会产生扭矩。例如，考虑一个长圆柱形轴，在一端施加了一个力。当施加这个力时，它会沿着轴的长度产生一个扭转效应。扭矩的大小可以通过公式计算：T = F * d，其中T是扭矩，F是施加的力，d是从施加点到旋转轴的距离。这个关系突出了施加力的大小和施加距离的重要性。在实际应用中，工程师必须在设计将经历旋转力的组件时考虑扭矩。例如，在汽车工程中，驱动轴必须设计成能够承受由发动机功率输出产生的显著扭矩。如果扭矩超过材料的强度，就可能导致灾难性的故障，从而造成危险情况。此外，材料在扭矩作用下的行为是材料科学的一个关键方面。不同材料对扭转力的反应不同，这由它们的剪切模量来表征。工程师必须选择适当的材料，以承受预期的扭矩而不发生变形或失效。例如，钢和铝等金属通常用于需要高强度和抗扭矩的应用。除了机械应用，扭矩的概念还延伸到土木工程。桥梁和建筑等结构必须设计成抵抗由于风荷载或地震活动引起的扭转力。工程师使用先进的建模技术来预测扭矩将如何影响结构的整体稳定性。通过确保结构能够承受这些力，工程师帮助防止可能危及生命的结构故障。总之，扭矩是工程中的一个基本概念，描述了作用于物体的扭转力。它的影响范围广泛，影响着各种机械和结构系统的设计与安全。理解如何计算和减轻扭矩对于工程师创造安全可靠的设计至关重要。随着技术的进步，分析和管理扭矩的方法将继续发展，进一步增强我们构建坚韧结构和机械的能力。