mechanical supercharging

简明释义

机械增压

英英释义

Mechanical supercharging refers to the process of increasing the intake air pressure in an internal combustion engine using a mechanical device, typically a supercharger, which is driven by the engine's crankshaft.

机械增压是指通过机械装置(通常是由发动机曲轴驱动的增压器)来提高内燃机进气压力的过程。

例句

1.With mechanical supercharging, the engine can deliver more power without increasing its size.

通过机械增压,发动机可以在不增加体积的情况下提供更多动力。

2.The new sports car features mechanical supercharging, which significantly boosts its horsepower.

这款新跑车采用了机械增压,大幅提升了马力。

3.In racing, mechanical supercharging is often used to gain a competitive edge over opponents.

在赛车中,机械增压常用于获得对对手的竞争优势。

4.Many manufacturers are opting for mechanical supercharging to improve engine efficiency.

许多制造商选择使用机械增压来提高发动机效率。

5.The benefits of mechanical supercharging include reduced turbo lag and immediate throttle response.

使用机械增压的好处包括减少涡轮迟滞和即时油门响应。

作文

In the world of automotive engineering, performance and efficiency are two critical factors that manufacturers constantly strive to improve. One of the most effective methods for enhancing engine performance is through the use of mechanical supercharging. This technology involves the use of a mechanical device to compress air entering the engine, allowing for a greater amount of air and fuel to be mixed and combusted. The result is increased power output and improved efficiency, making mechanical supercharging a popular choice among car enthusiasts and manufacturers alike.The principle behind mechanical supercharging is relatively straightforward. By forcing more air into the combustion chamber, the engine can burn more fuel, leading to a significant increase in horsepower. Unlike turbocharging, which uses exhaust gases to spin a turbine and draw in air, mechanical supercharging relies on an externally driven compressor. This means that the boost in power is available across a broader range of engine speeds, providing a more immediate response when the driver accelerates.One of the most common types of mechanical supercharging is the positive displacement supercharger, which includes roots and twin-screw designs. These superchargers compress air by trapping it between rotating lobes or screws, delivering a steady flow of pressurized air to the engine. This design allows for consistent performance and makes mechanical supercharging particularly effective at low RPMs, where traditional turbochargers may struggle to provide sufficient boost.Another type of mechanical supercharging is the centrifugal supercharger, which operates more like a turbocharger in that it compresses air using a spinning impeller. While centrifugal superchargers tend to be more efficient at higher RPMs, they can also provide significant power gains when properly matched to an engine's characteristics.The benefits of mechanical supercharging extend beyond just power gains. Many modern engines equipped with this technology also see improvements in fuel efficiency. By optimizing the air-fuel mixture, these engines can achieve better combustion, leading to lower emissions and improved gas mileage. This is particularly important in today’s automotive market, where consumers are increasingly concerned about environmental impact and fuel costs.However, there are challenges associated with mechanical supercharging as well. The added complexity of the system can lead to increased maintenance requirements and potential reliability issues. Additionally, the extra power generated can put additional stress on engine components, necessitating careful engineering to ensure long-term durability.In conclusion, mechanical supercharging represents a powerful tool in the quest for enhanced engine performance. By increasing the amount of air entering the combustion chamber, it allows for more fuel to be burned, resulting in greater power and efficiency. While there are challenges to consider, the advantages offered by mechanical supercharging make it a compelling option for both manufacturers and enthusiasts looking to push the limits of automotive performance. As technology continues to evolve, we can expect to see even more innovative applications of mechanical supercharging in the future, further solidifying its place in the automotive industry.

在汽车工程的世界中,性能和效率是制造商不断努力改善的两个关键因素。提高发动机性能的最有效方法之一是使用机械增压。这项技术涉及使用机械装置来压缩进入发动机的空气,从而允许更多的空气和燃料混合并燃烧。结果是功率输出增加,效率提高,使得机械增压成为汽车爱好者和制造商的热门选择。机械增压背后的原理相对简单。通过强制更多空气进入燃烧室,发动机可以燃烧更多燃料,从而显著增加马力。与利用废气旋转涡轮并抽入空气的涡轮增压不同,机械增压依赖外部驱动的压缩机。这意味着在更广泛的发动机转速范围内都能获得动力提升,在驾驶员加速时提供更直接的响应。最常见的机械增压类型之一是正排量增压器,包括根式和双螺杆设计。这些增压器通过在旋转的叶片或螺杆之间捕获空气来压缩空气,将压缩空气稳定地输送到发动机。这种设计允许一致的性能,使得机械增压在低转速下特别有效,而传统的涡轮增压器可能难以提供足够的增压。另一种机械增压类型是离心增压器,其工作方式更像涡轮增压器,通过旋转的叶轮压缩空气。虽然离心增压器在高转速下的效率更高,但如果与发动机特性正确匹配,也可以提供显著的动力提升。机械增压的好处不仅限于动力提升。许多现代配备该技术的发动机也看到了燃油效率的改善。通过优化空气-燃料混合,这些发动机可以实现更好的燃烧,从而降低排放,提高油耗。在当今的汽车市场中,这一点尤其重要,因为消费者越来越关注环境影响和燃料成本。然而,机械增压也面临挑战。系统的复杂性可能导致维护要求增加和潜在的可靠性问题。此外,额外产生的动力可能对发动机组件施加额外压力,因此需要仔细设计以确保长期耐用性。总之,机械增压代表了增强发动机性能的强大工具。通过增加进入燃烧室的空气量,它允许燃烧更多的燃料,从而实现更大的功率和效率。尽管存在需要考虑的挑战,但机械增压所提供的优势使其成为制造商和爱好者在追求汽车性能极限时的一个引人注目的选择。随着技术的不断发展,我们可以期待在未来看到机械增压的更多创新应用,进一步巩固其在汽车行业中的地位。

相关单词

supercharging

supercharging详解:怎么读、什么意思、用法