dry-sump lubrication

简明释义

干油底壳润滑

英英释义

例句

1.The mechanic explained that dry-sump lubrication can help prevent oil starvation during extreme driving conditions.

机械师解释说，干油底壳润滑可以帮助防止在极端驾驶条件下出现缺油现象。

2.Many high-performance motorcycles utilize dry-sump lubrication to enhance engine reliability.

许多高性能摩托车使用干油底壳润滑来增强发动机的可靠性。

3.The designer chose dry-sump lubrication for the new sports car model to optimize its handling characteristics.

设计师为新款跑车选择了干油底壳润滑以优化其操控特性。

4.The race car uses dry-sump lubrication to maintain consistent oil pressure during high-speed turns.

这辆赛车使用干油底壳润滑来保持在高速转弯时的稳定油压。

5.In aircraft engines, dry-sump lubrication is preferred for its ability to reduce weight and improve efficiency.

在飞机发动机中，干油底壳润滑因其减轻重量和提高效率而被优先选择。

作文

In the world of automotive engineering, various lubrication systems are employed to ensure the smooth operation of engines. One such system is dry-sump lubrication, which offers several advantages over traditional wet-sump systems. Understanding how dry-sump lubrication works and its benefits can provide valuable insights into engine performance and efficiency.A dry-sump lubrication system operates differently from a standard wet-sump system. In a wet-sump system, oil is stored in a sump located at the bottom of the engine. The oil pump draws oil from this sump and circulates it through the engine to lubricate moving parts. However, during high-performance driving or extreme conditions, the oil can slosh around in the sump, leading to inadequate lubrication and potential engine damage.On the other hand, a dry-sump lubrication system uses an external oil reservoir that keeps the oil separate from the engine. This design allows for better oil management, as the oil is constantly circulated from the reservoir to the engine and back again. By maintaining a consistent oil level and pressure, a dry-sump lubrication system minimizes the risk of oil starvation, especially under high G-forces experienced in racing or aggressive driving.One of the primary benefits of dry-sump lubrication is improved engine reliability. Because the oil is not subject to the same sloshing and pooling issues as in a wet-sump system, there is a lower likelihood of oil starvation during critical moments. This reliability is crucial for high-performance vehicles, where even a momentary lapse in lubrication can lead to catastrophic engine failure.Additionally, dry-sump lubrication systems allow for a lower engine profile. Since the oil reservoir is external, manufacturers can design engines with a flatter shape, which can lower the center of gravity. This improvement in weight distribution can enhance handling and stability, making it a popular choice for sports cars and racing vehicles.Moreover, dry-sump lubrication systems can also improve the overall cooling of the engine. The continuous circulation of oil helps dissipate heat more effectively than a wet-sump system, where oil can become trapped in the sump and may not flow as freely. This enhanced cooling capability can lead to better performance and longevity for the engine, especially during demanding driving conditions.Despite these advantages, dry-sump lubrication systems do have some drawbacks. They tend to be more complex and expensive to manufacture and maintain compared to wet-sump systems. The need for additional components, such as the external reservoir and multiple oil pumps, can increase the overall cost of the vehicle. Additionally, the installation of a dry-sump lubrication system requires more space and careful engineering, which may not be feasible for all vehicle designs.In conclusion, dry-sump lubrication is a sophisticated system that offers numerous benefits for high-performance engines. By providing reliable lubrication, improving engine cooling, and allowing for better vehicle dynamics, it has become a preferred choice in motorsports and among enthusiasts. While it may come with higher costs and complexity, the advantages often outweigh the disadvantages, making dry-sump lubrication an essential topic for anyone interested in advanced automotive technology.

在汽车工程的世界中，各种润滑系统被用来确保发动机的平稳运行。其中一种系统是干油底壳润滑，它相对于传统的湿油底壳系统提供了几种优势。理解干油底壳润滑的工作原理及其好处，可以为发动机性能和效率提供有价值的见解。干油底壳润滑系统的运作方式与标准的湿油底壳系统有所不同。在湿油底壳系统中，油储存在位于发动机底部的油底壳中。油泵从这个油底壳抽取油，并将其循环通过发动机以润滑运动部件。然而，在高性能驾驶或极端条件下，油可能会在油底壳中晃动，导致润滑不足和潜在的发动机损坏。另一方面，干油底壳润滑系统使用一个外部油箱，将油与发动机分开。这种设计允许更好的油管理，因为油不断地从油箱循环到发动机，然后再返回。通过保持一致的油位和压力，干油底壳润滑系统最小化了油饥饿的风险，特别是在赛车或激烈驾驶中经历的高G力下。干油底壳润滑的主要好处之一是提高发动机的可靠性。由于油不受湿油底壳系统中相同的晃动和积聚问题的影响，因此在关键时刻油饥饿的可能性较低。这种可靠性对于高性能车辆至关重要，因为即使是短暂的润滑失效也可能导致灾难性的发动机故障。此外，干油底壳润滑系统还允许更低的发动机轮廓。由于油箱是外部的，制造商可以设计出更扁平的发动机形状，从而降低重心。这种重量分布的改善可以增强操控性和稳定性，使其成为跑车和赛车的热门选择。此外，干油底壳润滑系统还可以改善发动机的整体冷却。油的持续循环有助于比湿油底壳系统更有效地散热，在湿油底壳系统中，油可能会被困在油底壳中，流动可能不那么顺畅。这种增强的冷却能力可以在要求苛刻的驾驶条件下提高发动机的性能和寿命。尽管这些优点，干油底壳润滑系统确实存在一些缺点。与湿油底壳系统相比，它们的制造和维护往往更复杂且成本更高。需要额外的组件，例如外部油箱和多个油泵，可能会增加车辆的整体成本。此外，安装干油底壳润滑系统需要更多的空间和精心的工程设计，这对于并非所有车辆设计都是可行的。总之，干油底壳润滑是一种复杂的系统，为高性能发动机提供了众多好处。通过提供可靠的润滑、改善发动机冷却以及允许更好的车辆动力学，它已成为赛车和爱好者的首选。尽管它可能伴随着更高的成本和复杂性，但优点通常超过缺点，使得干油底壳润滑成为任何对先进汽车技术感兴趣的人必不可少的话题。