compression ignition

简明释义

压缩打火压缩点火

英英释义

例句

1.Understanding compression ignition (压缩点火) can help engineers design more efficient engines.

理解压缩点火（压缩点火）可以帮助工程师设计更高效的发动机。

2.The efficiency of compression ignition (压缩点火) engines is often greater than that of gasoline engines.

与汽油发动机相比，压缩点火（压缩点火）发动机的效率通常更高。

3.Many diesel engines use compression ignition (压缩点火) to ignite the fuel.

许多柴油发动机使用压缩点火（压缩点火）来点燃燃料。

4.The compression ignition (压缩点火) process is essential for the operation of heavy-duty trucks.

对于重型卡车的运行，压缩点火（压缩点火）过程是必不可少的。

5.The engine operates on a principle of compression ignition (压缩点火) which allows for higher efficiency.

该发动机基于压缩点火（压缩点火）的原理运行，从而提高了效率。

作文

The term compression ignition refers to a type of internal combustion engine operation where fuel is ignited by the heat generated from compressing air in the cylinder. This process is distinct from spark ignition engines, which utilize a spark plug to ignite the fuel-air mixture. The compression ignition system is primarily used in diesel engines, which are known for their efficiency and durability. In a compression ignition engine, air is drawn into the cylinder and compressed to a high pressure, which raises its temperature significantly. When the fuel is injected into this hot, high-pressure air, it ignites spontaneously due to the elevated temperature. This method of ignition allows for a more efficient combustion process, resulting in better fuel economy compared to traditional gasoline engines. One of the key advantages of compression ignition engines is their ability to operate on a variety of fuels, including biodiesel and other alternative fuels. This flexibility is becoming increasingly important as the world seeks to reduce its reliance on fossil fuels and minimize environmental impact. Additionally, compression ignition engines typically produce more torque at lower RPMs, making them ideal for heavy-duty applications such as trucks, buses, and construction machinery.However, there are also challenges associated with compression ignition engines. One significant issue is the production of nitrogen oxides (NOx) and particulate matter, which can contribute to air pollution. As a result, manufacturers have been working on advanced emission control technologies, such as selective catalytic reduction (SCR) and diesel particulate filters (DPF), to mitigate these harmful emissions. Furthermore, the initial cost of compression ignition engines can be higher than that of gasoline engines, which may deter some consumers. However, the long-term savings on fuel and maintenance can offset this initial investment, making them a popular choice for businesses that rely on heavy machinery or transportation. In conclusion, compression ignition is a crucial concept in the field of automotive engineering, particularly within the context of diesel engines. Understanding how this ignition method works and its implications for fuel efficiency and emissions is essential for anyone interested in the future of transportation. As technology continues to evolve, the role of compression ignition engines will likely adapt, balancing performance and environmental considerations in an ever-changing landscape.

术语compression ignition指的是一种内燃机的工作方式，其中燃料通过压缩气缸内空气产生的热量点燃。这一过程与火花点火发动机不同，后者使用火花塞点燃燃油-空气混合物。compression ignition系统主要用于柴油发动机，这些发动机以其高效和耐用而著称。在compression ignition发动机中，空气被吸入气缸并被压缩到高压力，从而显著提高其温度。当燃料注入到这种高温高压空气中时，由于温度升高而自发点燃。这种点火方法允许更高效的燃烧过程，从而使燃油经济性优于传统汽油发动机。compression ignition发动机的一大优势是它们能够使用多种燃料，包括生物柴油和其他替代燃料。随着全球寻求减少对化石燃料的依赖并最小化环境影响，这种灵活性变得越来越重要。此外，compression ignition发动机通常在低转速下产生更多的扭矩，这使它们非常适合重型应用，如卡车、公交车和建筑机械。然而，与compression ignition发动机相关的挑战也存在。一个重要的问题是氮氧化物（NOx）和颗粒物的产生，这可能会导致空气污染。因此，制造商一直在开发先进的排放控制技术，如选择性催化还原（SCR）和柴油颗粒过滤器（DPF），以减轻这些有害排放。此外，compression ignition发动机的初始成本可能高于汽油发动机，这可能会让一些消费者望而却步。然而，长期的燃油和维护节省可以抵消这一初始投资，使其成为依赖重型机械或运输的企业的热门选择。总之，compression ignition是汽车工程领域中的一个关键概念，特别是在柴油发动机的背景下。理解这种点火方式的工作原理及其对燃油效率和排放的影响，对于任何对交通未来感兴趣的人来说都是至关重要的。随着技术的不断发展，compression ignition发动机的角色可能会适应，在不断变化的环境中平衡性能和环境考虑。