hoop stress

简明释义

圆周应力

英英释义

例句

1.In the context of thin-walled cylinders, hoop stress 环向应力 is often the dominant stress component.

在薄壁圆柱体的情况下，hoop stress 环向应力通常是主要的应力成分。

2.Excessive hoop stress 环向应力 can lead to material failure in industrial applications.

过度的hoop stress 环向应力可能导致工业应用中的材料失效。

3.The formula for calculating hoop stress 环向应力 is derived from the principles of mechanics.

计算hoop stress 环向应力的公式是基于力学原理推导出来的。

4.Understanding hoop stress 环向应力 is crucial for designing safe pressure vessels.

理解hoop stress 环向应力对于设计安全的压力容器至关重要。

5.The engineer calculated the hoop stress 环向应力 in the pipeline to ensure its integrity under pressure.

工程师计算了管道中的hoop stress 环向应力，以确保其在压力下的完整性。

作文

In the field of engineering, particularly in mechanical and civil engineering, understanding the concept of hoop stress is crucial for designing safe and efficient structures. Hoop stress, defined as the circumferential stress in a cylindrical object, occurs when pressure is applied to the walls of a cylinder or pipe. This stress is significant in applications such as pressure vessels, pipelines, and storage tanks, where the integrity of the structure is paramount. To comprehend hoop stress, it is essential to consider how forces are distributed in cylindrical shapes. When internal pressure is applied, it exerts a force on the walls of the cylinder that leads to tension in the material. The formula for calculating hoop stress is given by: \[ \sigma_h = \frac{P \cdot D}{2t} \] where \( \sigma_h \) is the hoop stress, \( P \) is the internal pressure, \( D \) is the diameter of the cylinder, and \( t \) is the thickness of the wall. This equation illustrates that as the internal pressure increases or as the diameter of the cylinder increases, the hoop stress also increases. Conversely, increasing the wall thickness can help mitigate this stress. The implications of hoop stress are profound in practical applications. For instance, in the oil and gas industry, pipelines must withstand high pressures without failure. Engineers must calculate the hoop stress to ensure that the materials used are capable of handling the expected loads. Failure to account for this stress can lead to catastrophic failures, resulting in leaks, explosions, or structural collapses. Furthermore, understanding hoop stress is not only vital for new designs but also for assessing the health of existing structures. Regular inspections and assessments can identify areas where hoop stress may have exceeded safe limits due to wear, corrosion, or degradation over time. By monitoring these stresses, engineers can implement maintenance strategies to extend the lifespan of critical infrastructure. In conclusion, the concept of hoop stress plays a fundamental role in the design and maintenance of cylindrical structures under pressure. Engineers must be adept at calculating and interpreting hoop stress to ensure safety and reliability in their designs. As technology advances and materials evolve, the methods for managing hoop stress will continue to develop, underscoring the importance of this concept in the engineering field. Understanding hoop stress is not just an academic exercise; it is a critical aspect of ensuring the safety and functionality of many structures we rely on every day.

在工程领域，尤其是机械和土木工程中，理解环向应力的概念对于设计安全高效的结构至关重要。环向应力被定义为圆柱物体中的周向应力，当压力施加到圆柱或管道的壁上时会发生这种应力。这种应力在压力容器、管道和储罐等应用中非常重要，因为结构的完整性至关重要。要理解环向应力，必须考虑力在圆柱形状中的分布。当内压施加时，它对圆柱的壁施加一个力，导致材料中的张力。计算环向应力的公式如下：\[ \sigma_h = \frac{P \cdot D}{2t} \] 其中\( \sigma_h \)是环向应力，\( P \)是内压，\( D \)是圆柱的直径，\( t \)是壁的厚度。这个方程说明，随着内压的增加或圆柱直径的增加，环向应力也会增加。相反，增加壁厚可以帮助减轻这种应力。环向应力的影响在实际应用中深远。例如，在石油和天然气行业，管道必须能够承受高压而不发生故障。工程师必须计算环向应力以确保所用材料能够承受预期的负荷。如果未能考虑这种应力，可能会导致灾难性的故障，造成泄漏、爆炸或结构坍塌。此外，理解环向应力不仅对新设计至关重要，还对评估现有结构的健康状况至关重要。定期检查和评估可以识别由于磨损、腐蚀或随时间退化而导致的环向应力超过安全限值的区域。通过监测这些应力，工程师可以实施维护策略，以延长关键基础设施的使用寿命。总之，环向应力的概念在承受压力的圆柱形结构的设计和维护中起着基础性作用。工程师必须擅长计算和解释环向应力以确保其设计的安全性和可靠性。随着技术的进步和材料的演变，管理环向应力的方法将继续发展，突显了这一概念在工程领域的重要性。理解环向应力不仅仅是学术练习；它是确保我们每天依赖的许多结构的安全性和功能性的关键方面。