off-design behaviour

简明释义

非设计工况

英英释义

例句

1.Engineers must account for off-design behaviour in their simulations to ensure accurate performance predictions.

工程师必须在模拟中考虑设计外行为，以确保性能预测的准确性。

2.The engine exhibited off-design behaviour when operated at low speeds, leading to inefficient fuel consumption.

当发动机在低速运行时，表现出设计外行为，导致燃油消耗效率低下。

3.Understanding off-design behaviour is crucial for optimizing the system under varying load conditions.

理解设计外行为对于在不同负载条件下优化系统至关重要。

4.The test revealed significant off-design behaviour that was not predicted in initial designs.

测试显示出显著的设计外行为，这是在初始设计中未预测到的。

5.The turbine's off-design behaviour caused unexpected vibrations during operation.

涡轮的设计外行为在运行期间导致了意外的振动。

作文

In the field of engineering and design, the term off-design behaviour refers to the performance of a system or component when it operates outside its intended or optimal conditions. This concept is particularly relevant in areas such as aerodynamics, thermodynamics, and mechanical systems, where components are often designed to function efficiently under specific parameters. Understanding off-design behaviour is crucial for engineers and designers to ensure safety, efficiency, and reliability in real-world applications.For instance, consider an aircraft engine that is optimized for cruising altitude and speed. When the engine operates at lower altitudes or speeds, it may exhibit off-design behaviour. This could manifest as reduced efficiency, increased fuel consumption, or even potential mechanical issues. Engineers must anticipate these conditions and design engines that can handle a range of operational scenarios, including those that deviate from the ideal.Moreover, off-design behaviour is not limited to mechanical systems. In fluid dynamics, for example, the flow characteristics of a fluid can change significantly when the system is not operating within its designed parameters. A pump may perform well at a certain flow rate, but if the flow rate decreases or increases significantly, the pump's performance may degrade, leading to cavitation or excessive wear. Understanding these changes is essential for maintaining system integrity and optimizing performance.The implications of off-design behaviour extend beyond performance metrics; they also encompass safety concerns. Systems that operate outside their design specifications may pose risks to users and the environment. For instance, an industrial boiler designed to operate at high pressure may become unstable if subjected to unexpected fluctuations in pressure or temperature. Engineers must conduct rigorous testing and simulations to predict how systems will behave under various conditions, ensuring that safety measures are in place.Furthermore, off-design behaviour can impact the lifecycle and maintenance of a system. Components that frequently operate outside their intended parameters may experience accelerated wear and tear, leading to more frequent repairs and replacements. This not only increases operational costs but also affects the overall sustainability of the system. By understanding and mitigating off-design behaviour, engineers can design more robust systems that require less maintenance and have longer lifespans.To effectively manage off-design behaviour, engineers often rely on computational modeling and simulations. These tools allow them to predict how systems will respond to various operating conditions, enabling them to make informed design choices. Additionally, real-time monitoring systems can provide valuable data on performance, helping to identify off-design behaviour as it occurs and allowing for timely interventions.In conclusion, off-design behaviour is a critical consideration in engineering and design. By understanding how systems perform outside their intended parameters, engineers can improve safety, efficiency, and reliability. Whether in aerospace, mechanical systems, or fluid dynamics, recognizing and addressing off-design behaviour is essential for creating effective and sustainable solutions. As technology continues to advance, the ability to predict and manage these behaviours will play a vital role in the future of engineering and design practices.

在工程和设计领域，术语非设计行为指的是系统或组件在其操作超出预期或最佳条件时的性能。这个概念在空气动力学、热力学和机械系统等领域尤其相关，因为这些组件通常被设计为在特定参数下高效运行。理解非设计行为对于工程师和设计师确保现实应用中的安全性、效率和可靠性至关重要。例如，考虑一个优化用于巡航高度和速度的飞机发动机。当发动机在较低的高度或速度下运行时，它可能会表现出非设计行为。这可能表现为效率降低、燃料消耗增加，甚至潜在的机械问题。工程师必须预见这些情况，并设计能够处理一系列操作场景的发动机，包括那些偏离理想状态的场景。此外，非设计行为不仅限于机械系统。在流体动力学中，例如，当系统未在设计参数内运行时，流体的流动特性可能会发生显著变化。一个泵在某一流量下可能表现良好，但如果流量显著减少或增加，泵的性能可能会下降，导致气蚀或过度磨损。理解这些变化对维护系统完整性和优化性能至关重要。非设计行为的影响不仅限于性能指标；它们还涉及安全问题。在超出设计规格运行的系统可能对用户和环境构成风险。例如，一个设计用于高压操作的工业锅炉，如果受到压力或温度意外波动的影响，可能会变得不稳定。工程师必须进行严格的测试和模拟，以预测系统在各种条件下的表现，确保安全措施到位。此外，非设计行为可能影响系统的生命周期和维护。频繁在其预期参数之外运行的组件可能会经历加速磨损，导致更频繁的维修和更换。这不仅增加了运营成本，还影响了系统的整体可持续性。通过理解和减轻非设计行为，工程师可以设计出更强健的系统，减少维护需求并延长使用寿命。为了有效管理非设计行为，工程师通常依赖计算建模和模拟。这些工具使他们能够预测系统如何响应各种操作条件，从而使他们能够做出明智的设计选择。此外，实时监测系统可以提供有关性能的宝贵数据，帮助识别发生的非设计行为并及时进行干预。总之，非设计行为是工程和设计中的一个关键考虑因素。通过理解系统在其预期参数之外的表现，工程师可以提高安全性、效率和可靠性。无论是在航空航天、机械系统还是流体动力学中，认识到并解决非设计行为对于创造有效和可持续的解决方案至关重要。随着技术的不断进步，预测和管理这些行为的能力将在未来的工程和设计实践中发挥重要作用。