derated engine

简明释义

减功率发动机

英英释义

例句

1.The derated engine was designed to operate at lower power levels, making it safer for inexperienced operators.

该降额发动机被设计为在较低功率水平下运行，使得不熟练的操作员更安全。

2.To comply with environmental regulations, the company installed a derated engine in their new trucks.

为了遵守环境法规，公司在他们的新卡车中安装了一个降额发动机。

3.The manufacturer recommended using a derated engine for better fuel efficiency in smaller vehicles.

制造商建议在较小的车辆中使用降额发动机以提高燃油效率。

4.Using a derated engine is a common practice in construction equipment to improve reliability.

在建筑设备中使用降额发动机是一种常见做法，以提高可靠性。

5.A derated engine can extend the lifespan of machinery by reducing stress on its components.

通过减少对组件的压力，降额发动机可以延长机器的使用寿命。

作文

In the world of engineering and machinery, the term derated engine refers to an engine that has been intentionally designed or modified to operate at a lower power output than its maximum capability. This process may seem counterintuitive, as one might assume that more power is always better. However, there are several valid reasons for derating an engine, making it a common practice in various industries, including automotive, aerospace, and industrial applications.Firstly, one of the primary reasons for utilizing a derated engine is to enhance reliability and longevity. By operating at a reduced power output, the engine experiences less stress on its components. This reduction in stress can lead to decreased wear and tear, ultimately extending the engine's lifespan. For example, in heavy-duty applications such as construction equipment or commercial trucks, manufacturers often derate engines to ensure they can withstand the rigors of daily use without frequent breakdowns.Secondly, derating an engine can improve fuel efficiency. When an engine operates at lower power levels, it typically consumes less fuel compared to running at full capacity. This is especially important in industries where fuel costs are a significant portion of operational expenses. By using a derated engine, companies can achieve better fuel economy while still meeting their performance requirements. In addition, lower fuel consumption contributes to reduced emissions, aligning with modern environmental standards and regulations.Moreover, derating is often employed to meet specific regulatory requirements. Different regions have varying emissions standards, and sometimes an engine must be derated to comply with these regulations. For instance, an engine that produces too many pollutants when operating at full power may need to be derated to ensure it meets local environmental laws. This practice not only helps companies avoid hefty fines but also promotes a cleaner environment.In some cases, derating can be beneficial for adapting engines to different operational conditions. For instance, an engine that performs well in a temperate climate may struggle in extreme heat or cold. By derating the engine, manufacturers can adjust its performance characteristics to ensure it operates efficiently under different conditions. This adaptability is crucial for industries such as agriculture, where machinery may be used in a wide range of environments.However, it is essential to recognize that derating an engine does come with trade-offs. While it can enhance durability and efficiency, it may also limit the engine's performance capabilities. For applications that require maximum power output, a derated engine may not be suitable. Therefore, it is crucial for engineers and operators to carefully assess their needs and choose the right engine configuration accordingly.In conclusion, the concept of a derated engine plays a significant role in modern engineering practices. By intentionally reducing an engine's power output, manufacturers can enhance reliability, improve fuel efficiency, and meet regulatory requirements while adapting to various operational conditions. Although derating comes with certain limitations, its benefits often outweigh the drawbacks, making it a valuable strategy in the design and application of engines across multiple industries. Understanding the implications and advantages of a derated engine is essential for anyone involved in engineering, manufacturing, or machinery operation. This knowledge not only aids in making informed decisions but also contributes to the overall efficiency and sustainability of engineering practices.

在工程和机械的世界中，术语降额发动机指的是一种故意设计或改造以在低于其最大能力的功率输出下运行的发动机。这一过程可能看起来有悖常理，因为人们可能会认为更多的动力总是更好的。然而，降额发动机有几个合理的原因，使其成为各个行业（包括汽车、航空航天和工业应用）中的常见做法。首先，使用降额发动机的主要原因之一是增强可靠性和耐用性。通过在降低功率输出的情况下运行，发动机对其组件的压力减少。这种压力的减少可以导致磨损的降低，最终延长发动机的使用寿命。例如，在重型应用（如建筑设备或商用卡车）中，制造商通常会将发动机降额，以确保它们能够承受日常使用的严酷考验，而不会频繁出现故障。其次，降额发动机可以提高燃油效率。当发动机在较低的功率水平下运行时，它通常消耗的燃料比全负荷运行时少。这在燃料成本占运营费用重要部分的行业中尤为重要。通过使用降额发动机，公司可以在满足性能要求的同时，实现更好的燃油经济性。此外，较低的燃油消耗有助于减少排放，符合现代环境标准和法规。此外，降额通常用于满足特定的监管要求。不同地区的排放标准各不相同，有时发动机必须被降额以遵守这些规定。例如，当全功率运行时产生过多污染物的发动机，可能需要降额以确保其符合当地的环境法律。这一做法不仅帮助公司避免巨额罚款，还促进了更清洁的环境。在某些情况下，降额对于使发动机适应不同的操作条件也很有益。例如，在温带气候下表现良好的发动机，在极端炎热或寒冷的情况下可能会遇到困难。通过降额发动机，制造商可以调整其性能特征，以确保在不同条件下高效运行。这种适应能力对于农业等行业至关重要，因为机械可能在广泛的环境中使用。然而，必须认识到降额发动机确实存在权衡。虽然它可以增强耐用性和效率，但也可能限制发动机的性能能力。对于需要最大功率输出的应用而言，降额发动机可能不适合。因此，对于工程师和操作人员来说，仔细评估他们的需求并根据需要选择正确的发动机配置至关重要。总之，降额发动机的概念在现代工程实践中发挥着重要作用。通过故意降低发动机的功率输出，制造商可以增强可靠性、提高燃油效率、满足监管要求，同时适应各种操作条件。尽管降额有一定的限制，但其好处往往超过缺点，使其成为多个行业发动机设计和应用中的一种宝贵策略。理解降额发动机的影响和优势对于任何参与工程、制造或机械操作的人来说都是必不可少的。这种知识不仅有助于做出明智的决策，还促进了工程实践的整体效率和可持续性。