auto ignition

简明释义

自燃;

英英释义

例句

1.The engine uses a mechanism for auto ignition (自动点火) to improve fuel efficiency.

该发动机使用一种机制进行auto ignition（自动点火）以提高燃油效率。

2.The research focused on how auto ignition (自动点火) can affect engine performance.

研究集中在auto ignition（自动点火）如何影响发动机性能。

3.To avoid auto ignition (自动点火), ensure that the fuel is stored properly.

为了避免auto ignition（自动点火），确保燃料正确储存。

4.In some diesel engines, auto ignition (自动点火) occurs due to high compression temperatures.

在某些柴油发动机中，auto ignition（自动点火）是由于高压缩温度引起的。

5.The safety features of the stove prevent auto ignition (自动点火) when not in use.

炉子的安全功能防止在不使用时发生auto ignition（自动点火）。

作文

Auto ignition is a crucial concept in the field of combustion engines and is fundamental to understanding how various types of engines operate. The term refers to the process by which a fuel-air mixture ignites spontaneously without the need for an external spark or flame. This phenomenon occurs when the temperature and pressure of the mixture reach a certain threshold, leading to ignition. In essence, auto ignition (自燃) is a self-ignition process that can be observed in different types of engines, particularly in diesel engines. Diesel engines utilize auto ignition (自燃) as a primary means of combustion. Unlike gasoline engines, which rely on spark plugs to ignite the fuel-air mixture, diesel engines compress the air within the cylinder to such a high degree that it raises the temperature sufficiently to ignite the injected diesel fuel. This compression ignition process is what distinguishes diesel engines from their gasoline counterparts. The benefits of auto ignition (自燃) in diesel engines are significant. They typically achieve higher thermal efficiency and produce more torque at lower RPMs, making them ideal for heavy-duty applications such as trucks and buses. Additionally, because diesel fuel has a higher energy density than gasoline, vehicles powered by diesel engines can often travel longer distances on a single tank of fuel. However, the concept of auto ignition (自燃) is not without its challenges. One major issue is the problem of engine knocking, which can occur when the fuel-air mixture ignites prematurely. This premature ignition can lead to a loss of power and efficiency, as well as potential damage to the engine over time. Engineers work diligently to design engines that minimize the risks associated with knocking while maximizing the benefits of auto ignition (自燃). In recent years, advancements in technology have led to the development of alternative fuels that also rely on auto ignition (自燃). Biofuels, for instance, can be designed to optimize the conditions under which auto ignition (自燃) occurs, offering a more sustainable option for powering vehicles. As the world moves towards greener energy solutions, understanding auto ignition (自燃) becomes increasingly important for engineers and scientists alike.In conclusion, auto ignition (自燃) is a fundamental principle in the operation of diesel engines and other combustion systems. Its implications for efficiency, performance, and environmental impact make it a critical area of study in automotive engineering. As we continue to innovate and seek sustainable alternatives to traditional fuels, the principles surrounding auto ignition (自燃) will undoubtedly play a pivotal role in shaping the future of transportation.