supercritical speed

简明释义

超临界速度

英英释义

例句

1.The turbine must not exceed its supercritical speed 超临界速度 to avoid catastrophic failure.

涡轮必须不超过其超临界速度 supercritical speed，以避免灾难性故障。

2.The design of the shaft includes a margin below the supercritical speed 超临界速度 to prevent resonance.

轴的设计包括低于超临界速度 supercritical speed的裕度，以防止共振。

3.During the simulation, the system was tested for stability at various speeds, including supercritical speed 超临界速度.

在模拟过程中，系统在包括超临界速度 supercritical speed在内的各种速度下进行了稳定性测试。

4.Engineers monitor the supercritical speed 超临界速度 of the rotor during tests to ensure safety.

工程师在测试期间监控转子的超临界速度 supercritical speed以确保安全。

5.Operating at supercritical speed 超临界速度 can lead to excessive vibrations in machinery.

在超临界速度 supercritical speed下操作可能导致机器过度振动。

作文

Understanding the concept of supercritical speed is crucial in various fields, particularly in engineering and physics. This term refers to a specific speed at which a rotating object, such as a rotor or a shaft, experiences a significant change in its dynamic behavior. At speeds below this threshold, the system operates smoothly; however, as the speed increases and approaches the supercritical speed, the system can become unstable due to resonance effects. This phenomenon is not only relevant in mechanical systems but also plays a vital role in aerodynamics and fluid dynamics.In engineering applications, it is essential to design machinery that operates safely below the supercritical speed. For instance, turbines, engines, and other rotating equipment must be carefully analyzed to ensure they do not reach this critical threshold during operation. If a machine exceeds its supercritical speed, it may lead to catastrophic failures, resulting in damage to the equipment and posing safety risks to operators.The concept of supercritical speed is also observed in the study of vibrations. When a structure vibrates at its natural frequency, it can amplify the oscillations, leading to increased stress and potential failure. Engineers often use damping techniques to mitigate these effects and ensure that structures remain stable even when subjected to external forces. In this context, understanding the supercritical speed helps engineers design safer and more reliable structures.Moreover, the implications of supercritical speed extend beyond mechanical systems. In aerodynamics, for example, the speed of an aircraft approaching the speed of sound is a critical consideration. As planes approach their supercritical speed, they encounter shock waves that can affect their performance and stability. Engineers must account for these factors when designing aircraft to ensure they can operate efficiently and safely at high speeds.In conclusion, the term supercritical speed encompasses a range of phenomena across different scientific disciplines. It highlights the importance of understanding dynamic behavior in rotating systems and the potential consequences of exceeding critical speed limits. By recognizing the significance of supercritical speed, engineers and scientists can develop safer, more efficient designs that enhance the performance of various technologies. The careful study and application of this concept are vital for the advancement of engineering and technology, ensuring that systems remain stable and functional under varying operational conditions.

理解超临界速度的概念在各个领域中至关重要，尤其是在工程和物理学中。这个术语指的是一个特定的速度，在这个速度下，旋转物体（如转子或轴）会经历其动态行为的显著变化。在这个阈值以下，系统运行平稳；然而，随着速度的增加并接近超临界速度，由于共振效应，系统可能变得不稳定。这种现象不仅与机械系统相关，还在空气动力学和流体动力学中发挥着重要作用。在工程应用中，设计在安全范围内低于超临界速度的机械设备至关重要。例如，涡轮机、发动机和其他旋转设备必须经过仔细分析，以确保它们在操作过程中不会达到这一临界阈值。如果一台机器超过其超临界速度，可能导致灾难性的故障，从而对设备造成损坏，并对操作人员构成安全风险。超临界速度的概念也在振动研究中得到了体现。当结构以其固有频率振动时，可能会放大振荡，导致应力增加和潜在的故障。工程师通常使用阻尼技术来减轻这些影响，确保结构即使在受到外部力量作用时仍然保持稳定。在这种情况下，理解超临界速度帮助工程师设计出更安全、更可靠的结构。此外，超临界速度的影响超越了机械系统。在空气动力学中，例如，飞机接近音速时的速度是一个关键考虑因素。当飞机接近其超临界速度时，会遇到冲击波，这可能会影响其性能和稳定性。工程师在设计飞机时必须考虑这些因素，以确保它们能够在高速下高效安全地运行。总之，术语超临界速度涵盖了不同科学学科中的一系列现象。它突出了理解旋转系统动态行为的重要性以及超过关键速度限制的潜在后果。通过认识到超临界速度的重要性，工程师和科学家可以开发出更安全、更高效的设计，从而提高各种技术的性能。对这一概念的仔细研究和应用对于工程和技术的发展至关重要，确保系统在不同操作条件下保持稳定和功能正常。